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Audio and Video Talk
Valves / Vacuum Tubes
Sansui AU111 Valve Amplifier
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<blockquote data-quote="Ampdog" data-source="post: 111168" data-attributes="member: 144"><p>Moon,</p><p></p><p>Not quite:</p><p></p><p>The 330pF is over (in parallel with) R73 (4.7K) in the NFB line, not R77 (1,5K), cathode of V6a.</p><p></p><p>The 33nF is connected between the cathodes (pins 8) of the 6L6s, not between cathodes tied together and point C1 as you show (the cathodes are not tied together!). C90 is then omitted.</p><p></p><p>Other changes showed are correct.</p></blockquote><p></p>
[QUOTE="Ampdog, post: 111168, member: 144"] Moon, Not quite: The 330pF is over (in parallel with) R73 (4.7K) in the NFB line, not R77 (1,5K), cathode of V6a. The 33nF is connected between the cathodes (pins 8) of the 6L6s, not between cathodes tied together and point C1 as you show (the cathodes are not tied together!). C90 is then omitted. Other changes showed are correct. [/QUOTE]
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Audio and Video Talk
Valves / Vacuum Tubes
Sansui AU111 Valve Amplifier
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