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Audio and Video Talk
Valves / Vacuum Tubes
Sansui AU111 Valve Amplifier
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<blockquote data-quote="TheMooN" data-source="post: 122869" data-attributes="member: 2981"><p>Sound advice A-D ~ The power supply poly's are 1600V , 400V'ers on the HT of the Pre- and 630V/850V in the Output stage .</p><p></p><p>I used the 250V Wima's only on secondary-sub circuit duties such as the various Function and Tone controls , nothing running to ground or handling more than a few Volts ~ As noted earlier in the thread , Sansui it would seem over-spec'd several of the capacitor ratings on the AU-111 . Perhaps a case of using componants that were in stock , or available at a good bulk price :-\</p><p></p><p>I plan to run the amp in stock configuration for a while , before looking at the mods resulting from your excellent research <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p> </p></blockquote><p></p>
[QUOTE="TheMooN, post: 122869, member: 2981"] Sound advice A-D ~ The power supply poly's are 1600V , 400V'ers on the HT of the Pre- and 630V/850V in the Output stage . I used the 250V Wima's only on secondary-sub circuit duties such as the various Function and Tone controls , nothing running to ground or handling more than a few Volts ~ As noted earlier in the thread , Sansui it would seem over-spec'd several of the capacitor ratings on the AU-111 . Perhaps a case of using componants that were in stock , or available at a good bulk price :-\ I plan to run the amp in stock configuration for a while , before looking at the mods resulting from your excellent research :) [/QUOTE]
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Audio and Video Talk
Valves / Vacuum Tubes
Sansui AU111 Valve Amplifier
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