Push-pull amplifier 5881 Cl. AB - Wiring

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Push-pull amplifier 5881 Cl. AB - Wiring...

24.0 MEGAPIXEL

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Push-pull amplifier 5881 Cl. AB - Wiring sent on March 03, 2020 (16:55) by Alessandroprof. 6 comments, 484 views.

at 32mm, 3 sec f/14.0, ISO 100, tripod.

Amplificatore push-pull 5881 Cl. AB - Cablaggio componenti. La progettazione dei relativi circuiti stampati, la progettazione complessiva e la sua realizzazione sono del sottoscritto. I trasformatori di uscita sono stati reperiti da NE, per sostituzione degli originali che presentavano pecche costruttive dovute alla scarsa qualità dei lamierini utilizzati.

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5 persons like it: Fabio F77, LucianoSerra.d, Pinscher 68, Silver58, Zolikron

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Fabio F77

sent on March 03, 2020 (17:02) | This comment has been automatically translated (show/hide original)

and this is show!
nice and clean with photo-engraved prints (?) :-D

Alessandroprof

sent on March 03, 2020 (17:06) | This comment has been automatically translated (show/hide original)

It is designed and photo engraved.

Fabio F77

sent on March 04, 2020 (9:06) | This comment has been automatically translated (show/hide original)

... Transformers... NE....
I assembled their kit with ecc82 and kt88, good times those of NE. :-D

Alessandroprof

sent on March 04, 2020 (10:34) | This comment has been automatically translated (show/hide original)

@Fabio - we talk about 20-25 years ago....

Fabio F77

sent on March 04, 2020 (15:02) | This comment has been automatically translated (show/hide original)

and you think I bought it in the late 90s and mounted it a long time after :-/
butyours is of another level as a wiring concept. What about when one is good.... he's good :-D

Alessandroprof

sent on March 04, 2020 (16:00) | This comment has been automatically translated (show/hide original)

Thank you.... however, adjusting the bias of the finals has nothing to do with the NE project. My design comes from the original Wiliamson, with regard to the entrance stage and the phase inverter, obviously recalculating and modifying the valve circuit used (6SN7 GTB), different from the original version that was the "76". The final stage has been completely overhauled, as I used the 5881, a "ruggered" version of the 6L6GC.

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