{"id":83,"date":"2008-11-24T15:45:31","date_gmt":"2008-11-24T17:45:31","guid":{"rendered":"http:\/\/tangopardo.com.ar\/2cf7\/?page_id=83"},"modified":"2011-08-21T23:49:39","modified_gmt":"2011-08-22T02:49:39","slug":"restauracion-de-un-amplificador-ucoa-modelo-a36","status":"publish","type":"page","link":"https:\/\/tangopardo.com.ar\/2cf7\/restauracion-de-un-amplificador-ucoa-modelo-a36","title":{"rendered":"Restauraci\u00f3n de un amplificador UCOA modelo A36"},"content":{"rendered":"<div id=\"attachment_1443\" style=\"width: 160px\" class=\"wp-caption alignright\"><a href=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/0001_original_frente.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1443\" data-attachment-id=\"1443\" data-permalink=\"https:\/\/tangopardo.com.ar\/2cf7\/restauracion-de-un-amplificador-ucoa-modelo-a36\/attachment\/1443\" data-orig-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/0001_original_frente.jpg\" data-orig-size=\"2592,1944\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1209831609&quot;,&quot;copyright&quot;:&quot;COPYRIGHT, 2007&quot;,&quot;focal_length&quot;:&quot;5.8&quot;,&quot;iso&quot;:&quot;200&quot;,&quot;shutter_speed&quot;:&quot;0.16666666666667&quot;,&quot;title&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;}\" data-image-title=\"Frente\" data-image-description=\"&lt;p&gt;Vista de frente sin el gabinete&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Vista de frente sin el gabinete&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/0001_original_frente-300x225.jpg\" data-large-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/0001_original_frente-1024x768.jpg\" class=\"size-thumbnail wp-image-1443 \" title=\"Frente\" src=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/0001_original_frente-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><p id=\"caption-attachment-1443\" class=\"wp-caption-text\">Vista de frente sin el gabinete<\/p><\/div>\n<p style=\"text-align: left;\">Aqu\u00ed ir\u00e9 detallando el proceso de restauraci\u00f3n y reparaci\u00f3n de este amplificador valvular argentino de la casa UCOA.<\/p>\n<p style=\"text-align: left;\">Here I&#8217;ll put a log of the restoration process of a vacuum tube amplifier, brand UCOA. (english translations will lag a bit, sorry)<\/p>\n<p style=\"text-align: left;\">Todas las fotos se encuentran en <a title=\"Galeria - Gallery\" href=\"http:\/\/tangopardo.com.ar\/2cf7\/wpg2?g2_itemId=23\" target=\"_blank\">http:\/\/tangopardo.com.ar\/2cf7\/wpg2?g2_itemId=23<\/a><\/p>\n<p style=\"text-align: left;\">Lo obtuve de la escuela N\u00ba65 de la ciudad de La Plata, &#8220;Bartolom\u00e9 Mitre&#8221; (all\u00ed curs\u00e9 mis estudios primarios), cuando ten\u00eda 12 a\u00f1os. Estuvieron m\u00e1s que alegres cuando me ofrec\u00ed a llevarme ese <em>cacharro<\/em>.<\/p>\n<p style=\"text-align: left;\">Diez a\u00f1os despu\u00e9s (2008) me aboco a la tarea de hacer que vuelva nuevamente a la vida.<\/p>\n<h3 style=\"text-align: left;\">Datos t\u00e9cnicos:<\/h3>\n<h4 style=\"text-align: left;\">V\u00e1lvulas:<\/h4>\n<ul style=\"text-align: left;\">\n<li>2x 6L6GC (etapa de potencia)<\/li>\n<li>83 (rectificador de vapor de mercurio, para etapa de potencia)<\/li>\n<li>80 (rectificador del preamplificador)<\/li>\n<li>6J8P \/ 6SJ7 (preamplificador phono)<\/li>\n<li>6C5<\/li>\n<li>6C8 (phase splitter)<\/li>\n<li>6F8G (drives the interstage coupling transformer)<\/li>\n<\/ul>\n<h4 style=\"text-align: left;\">Otros:<\/h4>\n<ul style=\"text-align: left;\">\n<li>Transformador de salida con taps para 8 y 16 ohms<\/li>\n<li>Bandeja tocadiscos monof\u00f3nica<\/li>\n<li>Adaptador para utilizar parlantes electrodin\u00e1micos (por lo menos eso parece)<\/li>\n<\/ul>\n<h3 style=\"text-align: left;\">Primeros pasos&#8230;<\/h3>\n<p style=\"text-align: left;\">Antes que nada decid\u00ed reemplazar los cables al exterior de los choques y los transformadores. Los originales pose\u00edan un recubrimiento de tela y goma que con el tiempo adem\u00e1s de volverse r\u00edgida, se resquebraj\u00f3, convirti\u00e9ndose en algo peligroso.<\/p>\n<p style=\"text-align: left;\">B\u00e1sicamente desarm\u00e9 cada uno de ellos y reemplac\u00e9 el cableado, manteni\u00e9ndolo en su lugar con una trama tejida en hilo de algod\u00f3n.<\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p><div id=\"attachment_1439\" style=\"width: 160px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/trafo_principal_antes_1.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1439\" data-attachment-id=\"1439\" data-permalink=\"https:\/\/tangopardo.com.ar\/2cf7\/restauracion-de-un-amplificador-ucoa-modelo-a36\/attachment\/1439\" data-orig-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/trafo_principal_antes_1.jpg\" data-orig-size=\"2592,1944\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1312659553&quot;,&quot;copyright&quot;:&quot;COPYRIGHT, 2007&quot;,&quot;focal_length&quot;:&quot;5.8&quot;,&quot;iso&quot;:&quot;400&quot;,&quot;shutter_speed&quot;:&quot;0.011111111111111&quot;,&quot;title&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;}\" data-image-title=\"Transformador principal, antes.\" data-image-description=\"&lt;p&gt;Transformador principal, antes.&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Transformador principal, antes.&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/trafo_principal_antes_1-300x225.jpg\" data-large-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/trafo_principal_antes_1-1024x768.jpg\" class=\"size-thumbnail wp-image-1439 \" title=\"Transformador principal, antes.\" src=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/trafo_principal_antes_1-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><p id=\"caption-attachment-1439\" class=\"wp-caption-text\">Transformador principal, antes.<\/p><\/div><\/td>\n<td>\n<p><div id=\"attachment_1440\" style=\"width: 160px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/trafo_principal_despues.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1440\" data-attachment-id=\"1440\" data-permalink=\"https:\/\/tangopardo.com.ar\/2cf7\/restauracion-de-un-amplificador-ucoa-modelo-a36\/attachment\/1440\" data-orig-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/trafo_principal_despues.jpg\" data-orig-size=\"2592,1944\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1306796022&quot;,&quot;copyright&quot;:&quot;COPYRIGHT, 2007&quot;,&quot;focal_length&quot;:&quot;5.8&quot;,&quot;iso&quot;:&quot;400&quot;,&quot;shutter_speed&quot;:&quot;0.011111111111111&quot;,&quot;title&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;}\" data-image-title=\"Transformador principal, despu\u00e9s.\" data-image-description=\"&lt;p&gt;Transformador principal, despu\u00e9s.&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Transformador principal, despu\u00e9s.&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/trafo_principal_despues-300x225.jpg\" data-large-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/trafo_principal_despues-1024x768.jpg\" class=\"size-thumbnail wp-image-1440 \" title=\"Transformador principal, despu\u00e9s.\" src=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/trafo_principal_despues-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><p id=\"caption-attachment-1440\" class=\"wp-caption-text\">Transformador principal, despu\u00e9s.<\/p><\/div><\/td>\n<\/tr>\n<tr>\n<td>\n<p><div id=\"attachment_1424\" style=\"width: 160px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/0002_original_debajo.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1424\" data-attachment-id=\"1424\" data-permalink=\"https:\/\/tangopardo.com.ar\/2cf7\/restauracion-de-un-amplificador-ucoa-modelo-a36\/attachment\/1424\" data-orig-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/0002_original_debajo.jpg\" data-orig-size=\"2592,1944\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1209831654&quot;,&quot;copyright&quot;:&quot;COPYRIGHT, 2007&quot;,&quot;focal_length&quot;:&quot;5.8&quot;,&quot;iso&quot;:&quot;200&quot;,&quot;shutter_speed&quot;:&quot;0.16666666666667&quot;,&quot;title&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;}\" data-image-title=\"Chasis inferior\" data-image-description=\"&lt;p&gt;Vista inferior del chasis. Las resistencias de potencia hac\u00edan cortocircuito con el resto del gabinete en la posici\u00f3n de uso normal&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Chasis inferior&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/0002_original_debajo-300x225.jpg\" data-large-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/0002_original_debajo-1024x768.jpg\" class=\"size-thumbnail wp-image-1424 \" title=\"Chasis inferior\" src=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/0002_original_debajo-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><p id=\"caption-attachment-1424\" class=\"wp-caption-text\">Chasis inferior<\/p><\/div><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 style=\"text-align: left;\">Probando el preamplificador:<\/h3>\n<p style=\"text-align: left;\">(08122008)<\/p>\n<div id=\"attachment_1431\" style=\"width: 160px\" class=\"wp-caption alignright\"><a href=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/probando_el_pre_3.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1431\" data-attachment-id=\"1431\" data-permalink=\"https:\/\/tangopardo.com.ar\/2cf7\/restauracion-de-un-amplificador-ucoa-modelo-a36\/attachment\/1431\" data-orig-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/probando_el_pre_3.jpg\" data-orig-size=\"3072,2304\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1312564890&quot;,&quot;copyright&quot;:&quot;COPYRIGHT, 2007&quot;,&quot;focal_length&quot;:&quot;5.8&quot;,&quot;iso&quot;:&quot;400&quot;,&quot;shutter_speed&quot;:&quot;0.033333333333333&quot;,&quot;title&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;}\" data-image-title=\"Prueba del pre\" data-image-description=\"&lt;p&gt;It works!&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Prueba del pre&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/probando_el_pre_3-300x225.jpg\" data-large-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/probando_el_pre_3-1024x768.jpg\" class=\"size-thumbnail wp-image-1431\" title=\"Prueba del pre\" src=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/probando_el_pre_3-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><p id=\"caption-attachment-1431\" class=\"wp-caption-text\">Prueba del pre<\/p><\/div>\n<p style=\"text-align: left;\">Esta es la primer prueba que realizo. Si, comet\u00ed el sacrilegio de utilizar fuentes conmutadas en un amplificador valvular. La tensi\u00f3n para los filamentos proviene de una fuente de computadora, y como si no fuera poco esta a su vez alimenta a otra fuente conmutada que genera la B+.\u00a0 Colorea bastante el sonido, esto se debe a una bobina abierta (el aspecto que tiene parece indicar que momentaneamente fue conectada entre B+ y el chasis). Tambi\u00e9n uno de los potenci\u00f3metros tiene un pin suelto.<\/p>\n<table border=\"0\" align=\"center\">\n<tbody>\n<tr>\n<td>\n<p><div id=\"attachment_1430\" style=\"width: 160px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/potenciometro_qualiton_dentro.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1430\" data-attachment-id=\"1430\" data-permalink=\"https:\/\/tangopardo.com.ar\/2cf7\/restauracion-de-un-amplificador-ucoa-modelo-a36\/attachment\/1430\" data-orig-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/potenciometro_qualiton_dentro.jpg\" data-orig-size=\"3072,2304\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1312571513&quot;,&quot;copyright&quot;:&quot;COPYRIGHT, 2007&quot;,&quot;focal_length&quot;:&quot;5.8&quot;,&quot;iso&quot;:&quot;400&quot;,&quot;shutter_speed&quot;:&quot;0.011111111111111&quot;,&quot;title&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;}\" data-image-title=\"ara\u00f1ita&#8230;\" data-image-description=\"&lt;p&gt;ara\u00f1ita&#8230;&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;ara\u00f1ita&#8230;&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/potenciometro_qualiton_dentro-300x225.jpg\" data-large-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/potenciometro_qualiton_dentro-1024x768.jpg\" class=\"size-thumbnail wp-image-1430\" title=\"ara\u00f1ita...\" src=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/potenciometro_qualiton_dentro-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><p id=\"caption-attachment-1430\" class=\"wp-caption-text\">ara\u00f1ita...<\/p><\/div><\/td>\n<td>\n<p><div id=\"attachment_1429\" style=\"width: 160px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/potenciometro_qualiton.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1429\" data-attachment-id=\"1429\" data-permalink=\"https:\/\/tangopardo.com.ar\/2cf7\/restauracion-de-un-amplificador-ucoa-modelo-a36\/attachment\/1429\" data-orig-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/potenciometro_qualiton.jpg\" data-orig-size=\"3072,2304\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1312571485&quot;,&quot;copyright&quot;:&quot;COPYRIGHT, 2007&quot;,&quot;focal_length&quot;:&quot;5.8&quot;,&quot;iso&quot;:&quot;400&quot;,&quot;shutter_speed&quot;:&quot;0.011111111111111&quot;,&quot;title&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;}\" data-image-title=\"potenciometro\" data-image-description=\"&lt;p&gt;nobody makes them like that anymore&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;potenciometro&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/potenciometro_qualiton-300x225.jpg\" data-large-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/potenciometro_qualiton-1024x768.jpg\" class=\"size-thumbnail wp-image-1429\" title=\"potenciometro\" src=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/potenciometro_qualiton-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><p id=\"caption-attachment-1429\" class=\"wp-caption-text\">potenciometro<\/p><\/div><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Qu\u00e9 alegr\u00eda me dio esa tarde cuando por los parlantitos potenciados comenz\u00f3 a salir la voz de Angel Vargas!<\/p>\n<h3 style=\"text-align: left;\">Heart surgery (not for the faint of heart):<\/h3>\n<p>Some of the tubes were loose, I don&#8217;t like the idea of someone pulling them off by the glass envelope and damaging the wires so I re-glued a couple of them to the socket with epoxi. I had to desolder and completely remove from the socket on some of them in order to properly glue the envelope to the socket. I was really frightened but after the first everything went smooth.<\/p>\n<div id=\"attachment_1441\" style=\"width: 160px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/valvula_6c5_base_3.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1441\" data-attachment-id=\"1441\" data-permalink=\"https:\/\/tangopardo.com.ar\/2cf7\/restauracion-de-un-amplificador-ucoa-modelo-a36\/attachment\/1441\" data-orig-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/valvula_6c5_base_3.jpg\" data-orig-size=\"2592,1944\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1725303755&quot;,&quot;copyright&quot;:&quot;COPYRIGHT, 2007&quot;,&quot;focal_length&quot;:&quot;5.8&quot;,&quot;iso&quot;:&quot;200&quot;,&quot;shutter_speed&quot;:&quot;0.022222222222222&quot;,&quot;title&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;}\" data-image-title=\"Detalle base 6C5\" data-image-description=\"&lt;p&gt;Detalle de la base de la 6C5, necesitaba repasar las soldaduras y pegarla nuevamente al tubo, que estaba suelto. This is the 6C5 base. I had to remove it in order to resolder the pins and replace the glue because the tube was loose. La etiqueta dice (the stamp says): &#8220;radio discos amplificadores Aldo Andreali UT PAZ 5356 La Plata Calle 7 &#8211; 1134 Cr\u00e9ditos&#8221;&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Detalle de la base de la 6C5, necesitaba repasar las soldaduras y pegarla nuevamente al tubo, que estaba suelto. This is the 6C5 base. I had to remove it in order to resolder the pins and replace the glue because the tube was loose. La etiqueta dice (the stamp says): &#8220;radio discos amplificadores Aldo Andreali UT PAZ 5356 La Plata Calle 7 &#8211; 1134 Cr\u00e9ditos&#8221;&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/valvula_6c5_base_3-300x225.jpg\" data-large-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/valvula_6c5_base_3-1024x768.jpg\" class=\"size-thumbnail wp-image-1441\" title=\"Detalle base 6C5\" src=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/valvula_6c5_base_3-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><p id=\"caption-attachment-1441\" class=\"wp-caption-text\">Detalle de la base de la 6C5, necesitaba repasar las soldaduras y pegarla nuevamente al tubo, que estaba suelto. This is the 6C5 base. I had to remove it in order to resolder the pins and replace the glue because the tube was loose. La etiqueta dice (the stamp says): &quot;radio discos amplificadores Aldo Andreali UT PAZ 5356 La Plata Calle 7 - 1134 Cr\u00e9ditos&quot;<\/p><\/div>\n<p>Algunas de las v\u00e1lvulas estaban despegadas de la base, pude pegar un par sin hacer nada raro pero con otras tuve que desoldarlas para remover el pegamento viejo. La primera que desarm\u00e9 me dio algo de miedo pero luego el resto fue facil.<\/p>\n<div id=\"attachment_1433\" style=\"width: 160px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/rectificador_80.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1433\" data-attachment-id=\"1433\" data-permalink=\"https:\/\/tangopardo.com.ar\/2cf7\/restauracion-de-un-amplificador-ucoa-modelo-a36\/attachment\/1433\" data-orig-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/rectificador_80.jpg\" data-orig-size=\"2592,1944\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1725149811&quot;,&quot;copyright&quot;:&quot;COPYRIGHT, 2007&quot;,&quot;focal_length&quot;:&quot;5.8&quot;,&quot;iso&quot;:&quot;100&quot;,&quot;shutter_speed&quot;:&quot;0.022222222222222&quot;,&quot;title&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;}\" data-image-title=\"Rectificador 80\" data-image-description=\"&lt;p&gt;Rectificador 80&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Rectificador 80&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/rectificador_80-300x225.jpg\" data-large-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/rectificador_80-1024x768.jpg\" class=\"size-thumbnail wp-image-1433\" title=\"Rectificador 80\" src=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/rectificador_80-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><p id=\"caption-attachment-1433\" class=\"wp-caption-text\">Rectificador 80<\/p><\/div>\n<div id=\"attachment_1434\" style=\"width: 160px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/rectificador_80_interferencia.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1434\" data-attachment-id=\"1434\" data-permalink=\"https:\/\/tangopardo.com.ar\/2cf7\/restauracion-de-un-amplificador-ucoa-modelo-a36\/attachment\/1434\" data-orig-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/rectificador_80_interferencia.jpg\" data-orig-size=\"2592,1944\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1725150022&quot;,&quot;copyright&quot;:&quot;COPYRIGHT, 2007&quot;,&quot;focal_length&quot;:&quot;5.8&quot;,&quot;iso&quot;:&quot;100&quot;,&quot;shutter_speed&quot;:&quot;0.016666666666667&quot;,&quot;title&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;}\" data-image-title=\"Rectificador 80 &#8211; patr\u00f3n de interferencia\" data-image-description=\"&lt;p&gt;Rectificador 80 &#8211; patr\u00f3n de interferencia&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Rectificador 80 &#8211; patr\u00f3n de interferencia&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/rectificador_80_interferencia-300x225.jpg\" data-large-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/rectificador_80_interferencia-1024x768.jpg\" class=\"size-thumbnail wp-image-1434\" title=\"Rectificador 80 - patr\u00f3n de interferencia\" src=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/rectificador_80_interferencia-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><p id=\"caption-attachment-1434\" class=\"wp-caption-text\">Rectificador 80 - patr\u00f3n de interferencia<\/p><\/div>\n<div id=\"attachment_1442\" style=\"width: 160px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/valvula_6c5_sin_base_2.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1442\" data-attachment-id=\"1442\" data-permalink=\"https:\/\/tangopardo.com.ar\/2cf7\/restauracion-de-un-amplificador-ucoa-modelo-a36\/attachment\/1442\" data-orig-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/valvula_6c5_sin_base_2.jpg\" data-orig-size=\"2592,1944\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1725304254&quot;,&quot;copyright&quot;:&quot;COPYRIGHT, 2007&quot;,&quot;focal_length&quot;:&quot;5.8&quot;,&quot;iso&quot;:&quot;200&quot;,&quot;shutter_speed&quot;:&quot;0.033333333333333&quot;,&quot;title&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;}\" data-image-title=\"6C5 Sin base (2)\" data-image-description=\"&lt;p&gt;6C5 Sin base (2)&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;6C5 Sin base (2)&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/valvula_6c5_sin_base_2-300x225.jpg\" data-large-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/valvula_6c5_sin_base_2-1024x768.jpg\" class=\"size-thumbnail wp-image-1442\" title=\"6C5 Sin base (2)\" src=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/valvula_6c5_sin_base_2-150x150.jpg\" alt=\"\" width=\"150\" height=\"150\" \/><\/a><p id=\"caption-attachment-1442\" class=\"wp-caption-text\">6C5 Sin base (2)<\/p><\/div>\n<h3>Probando la etapa de potencia:<\/h3>\n<p>Esta parte me dio algo de trabajo. El transformador de acoplamiento tiene dos bobinados para el secundario, y la ultima persona que toc\u00f3 el equipo conect\u00f3 uno de ellos al rev\u00e9s, por lo que s\u00f3lo se escuchaba un vestigio muy d\u00e9bil de la se\u00f1al de entrada. Perd\u00ed casi una hora pensando qu\u00e9 podr\u00eda ser\u00a0 la causa de ese comportamiento. Invierto uno, y &#8230;. Funciona!!<\/p>\n<table border=\"0\" align=\"center\">\n<tbody>\n<tr>\n<td><div id=\"attachment_1435\" style=\"width: 160px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/resplandor_azul_6l6_2.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1435\" data-attachment-id=\"1435\" data-permalink=\"https:\/\/tangopardo.com.ar\/2cf7\/restauracion-de-un-amplificador-ucoa-modelo-a36\/attachment\/1435\" data-orig-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/resplandor_azul_6l6_2.jpg\" data-orig-size=\"2592,1944\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1569020645&quot;,&quot;copyright&quot;:&quot;COPYRIGHT, 2007&quot;,&quot;focal_length&quot;:&quot;5.8&quot;,&quot;iso&quot;:&quot;1000&quot;,&quot;shutter_speed&quot;:&quot;0.5&quot;,&quot;title&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;}\" data-image-title=\"6L6 resplandor azul\" data-image-description=\"&lt;p&gt;Oh, there&#8217;s nothing like the sight of a 6L6 glowing blue&#8230;&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;6L6 resplandor azul&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/resplandor_azul_6l6_2-300x225.jpg\" data-large-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/resplandor_azul_6l6_2-1024x768.jpg\" src=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/resplandor_azul_6l6_2-150x150.jpg\" alt=\"\" title=\"6L6 resplandor azul\" width=\"150\" height=\"150\" class=\"size-thumbnail wp-image-1435\" \/><\/a><p id=\"caption-attachment-1435\" class=\"wp-caption-text\">6L6 resplandor azul<\/p><\/div><\/td>\n<td>\n<p><div id=\"attachment_1432\" style=\"width: 160px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/probando_la_etapa_de_potencia.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1432\" data-attachment-id=\"1432\" data-permalink=\"https:\/\/tangopardo.com.ar\/2cf7\/restauracion-de-un-amplificador-ucoa-modelo-a36\/attachment\/1432\" data-orig-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/probando_la_etapa_de_potencia.jpg\" data-orig-size=\"2592,1944\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1569020502&quot;,&quot;copyright&quot;:&quot;COPYRIGHT, 2007&quot;,&quot;focal_length&quot;:&quot;5.8&quot;,&quot;iso&quot;:&quot;200&quot;,&quot;shutter_speed&quot;:&quot;0.066666666666667&quot;,&quot;title&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;}\" data-image-title=\"Probando la etapa de potencia\" data-image-description=\"&lt;p&gt;It&#8217;s way more dangerous than it looks&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;It&#8217;s way more dangerous than it looks&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/probando_la_etapa_de_potencia-300x225.jpg\" data-large-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/probando_la_etapa_de_potencia-1024x768.jpg\" src=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/probando_la_etapa_de_potencia-150x150.jpg\" alt=\"\" title=\"Probando la etapa de potencia\" width=\"150\" height=\"150\" class=\"size-thumbnail wp-image-1432\" \/><\/a><p id=\"caption-attachment-1432\" class=\"wp-caption-text\">It&#039;s way more dangerous than it looks<\/p><\/div><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>La casa se llena con la voz de Ella Fitzgerald, &#8220;now mamma dance with me&#8230; I want my arms about you&#8230;&#8221;<\/p>\n<h3 style=\"text-align: left;\">Restaurando el chasis:<\/h3>\n<p>No hay nada de complicado en esto, simplemente cambiar la pintura, que est\u00e1 en muy mal estado y darle una buena lijada (por dentro hay un pegote marr\u00f3n que no s\u00e9 c\u00f3mo lleg\u00f3 ah\u00ed)<\/p>\n<table border=\"0\" align=\"center\">\n<tbody>\n<tr>\n<td>\n<div id=\"attachment_1426\" style=\"width: 160px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/chasis_semivacio_1.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1426\" data-attachment-id=\"1426\" data-permalink=\"https:\/\/tangopardo.com.ar\/2cf7\/restauracion-de-un-amplificador-ucoa-modelo-a36\/attachment\/1426\" data-orig-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/chasis_semivacio_1.jpg\" data-orig-size=\"2592,1944\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1312658898&quot;,&quot;copyright&quot;:&quot;COPYRIGHT, 2007&quot;,&quot;focal_length&quot;:&quot;5.8&quot;,&quot;iso&quot;:&quot;400&quot;,&quot;shutter_speed&quot;:&quot;0.016666666666667&quot;,&quot;title&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;}\" data-image-title=\"Chasis vacio\" data-image-description=\"&lt;p&gt;Desolador&#8230;&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Desolador&#8230;&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/chasis_semivacio_1-300x225.jpg\" data-large-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/chasis_semivacio_1-1024x768.jpg\" src=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/chasis_semivacio_1-150x150.jpg\" alt=\"\" title=\"Chasis vacio\" width=\"150\" height=\"150\" class=\"size-thumbnail wp-image-1426\" \/><\/a><p id=\"caption-attachment-1426\" class=\"wp-caption-text\">Desolador...<\/p><\/div>\n<\/td>\n<td>\n<div id=\"attachment_1427\" style=\"width: 160px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/chasis_semivacio_2.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1427\" data-attachment-id=\"1427\" data-permalink=\"https:\/\/tangopardo.com.ar\/2cf7\/restauracion-de-un-amplificador-ucoa-modelo-a36\/attachment\/1427\" data-orig-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/chasis_semivacio_2.jpg\" data-orig-size=\"2592,1944\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1312658923&quot;,&quot;copyright&quot;:&quot;COPYRIGHT, 2007&quot;,&quot;focal_length&quot;:&quot;5.8&quot;,&quot;iso&quot;:&quot;400&quot;,&quot;shutter_speed&quot;:&quot;0.016666666666667&quot;,&quot;title&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;}\" data-image-title=\"Chasis vacio 2\" data-image-description=\"&lt;p&gt;De alguna forma deber\u00e9 reponer el cromado de los z\u00f3calos&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Chasis vacio 2&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/chasis_semivacio_2-300x225.jpg\" data-large-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/chasis_semivacio_2-1024x768.jpg\" src=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/chasis_semivacio_2-150x150.jpg\" alt=\"\" title=\"Chasis vacio 2\" width=\"150\" height=\"150\" class=\"size-thumbnail wp-image-1427\" \/><\/a><p id=\"caption-attachment-1427\" class=\"wp-caption-text\">Chasis vacio 2<\/p><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div id=\"attachment_1425\" style=\"width: 160px\" class=\"wp-caption alignright\"><a href=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/chasis_1.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1425\" data-attachment-id=\"1425\" data-permalink=\"https:\/\/tangopardo.com.ar\/2cf7\/restauracion-de-un-amplificador-ucoa-modelo-a36\/attachment\/1425\" data-orig-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/chasis_1.jpg\" data-orig-size=\"1296,972\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1574964947&quot;,&quot;copyright&quot;:&quot;COPYRIGHT, 2007&quot;,&quot;focal_length&quot;:&quot;5.8&quot;,&quot;iso&quot;:&quot;1000&quot;,&quot;shutter_speed&quot;:&quot;0.05&quot;,&quot;title&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;}\" data-image-title=\"Chasis lijado\" data-image-description=\"&lt;p&gt;Chasis lijado&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Chasis lijado&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/chasis_1-300x225.jpg\" data-large-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/chasis_1-1024x768.jpg\" src=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/chasis_1-150x150.jpg\" alt=\"\" title=\"Chasis lijado\" width=\"150\" height=\"150\" class=\"size-thumbnail wp-image-1425\" \/><\/a><p id=\"caption-attachment-1425\" class=\"wp-caption-text\">Chasis lijado<\/p><\/div>\n<p>Bueno, as\u00ed es como est\u00e1 el chasis ahora. Dej\u00e9 algo de pintura en los laterales porque estaba muy sana. El interior fue lo que mas me cost\u00f3, es complicado para trabajar con el cepillo de bronce para taladro y pasarle lana de acero mucho mas.<\/p>\n<p>Acord\u00e1ndome de lo complicado que es soldar y desoldar con un soldador de 30W en el chasis decid\u00ed hacer algunos terminales roscados de bronce para soldarlos al chasis con un soplete y luego poder trabajar m\u00e1s c\u00f3modo.<\/p>\n<table border=\"0\" align=\"center\">\n<tbody>\n<tr>\n<td>\n<p><div id=\"attachment_1436\" style=\"width: 160px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/terminal_triple_arriba.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1436\" data-attachment-id=\"1436\" data-permalink=\"https:\/\/tangopardo.com.ar\/2cf7\/restauracion-de-un-amplificador-ucoa-modelo-a36\/attachment\/1436\" data-orig-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/terminal_triple_arriba.jpg\" data-orig-size=\"1296,972\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1574626271&quot;,&quot;copyright&quot;:&quot;COPYRIGHT, 2007&quot;,&quot;focal_length&quot;:&quot;5.8&quot;,&quot;iso&quot;:&quot;400&quot;,&quot;shutter_speed&quot;:&quot;0.008&quot;,&quot;title&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;}\" data-image-title=\"Terminal de bronce\" data-image-description=\"&lt;p&gt;Tres terminales semilla y dos tuercas de bronce&#8230;&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Tres terminales semilla y dos tuercas de bronce&#8230;&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/terminal_triple_arriba-300x225.jpg\" data-large-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/terminal_triple_arriba-1024x768.jpg\" src=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/terminal_triple_arriba-150x150.jpg\" alt=\"\" title=\"Terminal de bronce\" width=\"150\" height=\"150\" class=\"size-thumbnail wp-image-1436\" \/><\/a><p id=\"caption-attachment-1436\" class=\"wp-caption-text\">Tres terminales semilla y dos tuercas de bronce...<\/p><\/div><\/td>\n<td>\n<p><div id=\"attachment_1437\" style=\"width: 160px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/terminal_triple_cerca_en_foco.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1437\" data-attachment-id=\"1437\" data-permalink=\"https:\/\/tangopardo.com.ar\/2cf7\/restauracion-de-un-amplificador-ucoa-modelo-a36\/attachment\/1437\" data-orig-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/terminal_triple_cerca_en_foco.jpg\" data-orig-size=\"1296,972\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1574626314&quot;,&quot;copyright&quot;:&quot;COPYRIGHT, 2007&quot;,&quot;focal_length&quot;:&quot;5.8&quot;,&quot;iso&quot;:&quot;400&quot;,&quot;shutter_speed&quot;:&quot;0.004&quot;,&quot;title&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;}\" data-image-title=\"Terminal de bronce, perfil\" data-image-description=\"&lt;p&gt;(el mismo de perfil)&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;(el mismo de perfil)&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/terminal_triple_cerca_en_foco-300x225.jpg\" data-large-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/terminal_triple_cerca_en_foco-1024x768.jpg\" src=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/terminal_triple_cerca_en_foco-150x150.jpg\" alt=\"\" title=\"Terminal de bronce, perfil\" width=\"150\" height=\"150\" class=\"size-thumbnail wp-image-1437\" \/><\/a><p id=\"caption-attachment-1437\" class=\"wp-caption-text\">(el mismo de perfil)<\/p><\/div>\n<\/td>\n<\/tr>\n<tr align=\"center\">\n<td align=\"center\">\n<p><div id=\"attachment_1428\" style=\"width: 160px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/chasis_soldado.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1428\" data-attachment-id=\"1428\" data-permalink=\"https:\/\/tangopardo.com.ar\/2cf7\/restauracion-de-un-amplificador-ucoa-modelo-a36\/attachment\/1428\" data-orig-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/chasis_soldado.jpg\" data-orig-size=\"1296,972\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1574627498&quot;,&quot;copyright&quot;:&quot;COPYRIGHT, 2007&quot;,&quot;focal_length&quot;:&quot;5.8&quot;,&quot;iso&quot;:&quot;100&quot;,&quot;shutter_speed&quot;:&quot;0.022222222222222&quot;,&quot;title&quot;:&quot;&lt;KENOX S730  \\\/ Samsung S730&gt;&quot;}\" data-image-title=\"Terminal soldado\" data-image-description=\"&lt;p&gt;Los primeros en su ubicaci\u00f3n final.&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Los primeros en su ubicaci\u00f3n final.&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/chasis_soldado-300x225.jpg\" data-large-file=\"https:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/chasis_soldado-1024x768.jpg\" src=\"http:\/\/tangopardo.com.ar\/2cf7\/wp-content\/uploads\/2008\/11\/chasis_soldado-150x150.jpg\" alt=\"\" title=\"Terminal soldado\" width=\"150\" height=\"150\" class=\"size-thumbnail wp-image-1428\" \/><\/a><p id=\"caption-attachment-1428\" class=\"wp-caption-text\">Los primeros en su ubicaci\u00f3n final.<\/p><\/div><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Aqu\u00ed ir\u00e9 detallando el proceso de restauraci\u00f3n y reparaci\u00f3n de este amplificador valvular argentino de la casa UCOA. Here I&#8217;ll put a log of the restoration process of a vacuum tube amplifier, brand UCOA. (english translations will lag a bit, sorry) Todas las fotos se encuentran en http:\/\/tangopardo.com.ar\/2cf7\/wpg2?g2_itemId=23 Lo obtuve de la escuela N\u00ba65 de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"class_list":["post-83","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/PmnbC-1l","_links":{"self":[{"href":"https:\/\/tangopardo.com.ar\/2cf7\/wp-json\/wp\/v2\/pages\/83","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tangopardo.com.ar\/2cf7\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/tangopardo.com.ar\/2cf7\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/tangopardo.com.ar\/2cf7\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tangopardo.com.ar\/2cf7\/wp-json\/wp\/v2\/comments?post=83"}],"version-history":[{"count":37,"href":"https:\/\/tangopardo.com.ar\/2cf7\/wp-json\/wp\/v2\/pages\/83\/revisions"}],"predecessor-version":[{"id":89,"href":"https:\/\/tangopardo.com.ar\/2cf7\/wp-json\/wp\/v2\/pages\/83\/revisions\/89"}],"wp:attachment":[{"href":"https:\/\/tangopardo.com.ar\/2cf7\/wp-json\/wp\/v2\/media?parent=83"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}