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Audio and Video Talk
Valves / Vacuum Tubes
Sansui 1000A Transformers on chassis
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<blockquote data-quote="Ampdog" data-source="post: 838441" data-attributes="member: 144"><p>Still OT, but to the OP:</p><p></p><p>The Williamson topology - meaning input stage direct coupled to a concertina phase splitter, followed by a twin triode driver, feeding a 4 x 6L6GC p.p.p. output stage with cathode feedback (schematic appeared elsewhere). But there are many other features not a la Williamson, like controlled power-up, safety cut-out circuitry and such. It can be spectacular <strong>and</strong> costly when a 500 VA power supply at 600V goes berserk!</p><p></p><p>Back to topic. (I can look up the previous thread and perhaps continue there with further discussion should anybody so wish.)</p></blockquote><p></p>
[QUOTE="Ampdog, post: 838441, member: 144"] Still OT, but to the OP: The Williamson topology - meaning input stage direct coupled to a concertina phase splitter, followed by a twin triode driver, feeding a 4 x 6L6GC p.p.p. output stage with cathode feedback (schematic appeared elsewhere). But there are many other features not a la Williamson, like controlled power-up, safety cut-out circuitry and such. It can be spectacular [b]and[/b] costly when a 500 VA power supply at 600V goes berserk! Back to topic. (I can look up the previous thread and perhaps continue there with further discussion should anybody so wish.) [/QUOTE]
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Audio and Video Talk
Valves / Vacuum Tubes
Sansui 1000A Transformers on chassis
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