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 NEW  Matt presents bias and operation data for the 6V6 tube in SE operation - 6V6 Single-Ended (SE) Ultra Linear (UL) Bias Optimization.

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It is currently 23 Jan 2021, 08:27

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PostPosted: 23 Jul 2017, 16:14 

Joined: 06 Nov 2015, 08:50
Posts: 4
I came across this schematic and was considering the build, but the more I stared at the power supply the more confused I became. Does it not appear as if the diodes in the low voltage section are drawn in reversed? Or am I just not understanding something?

Comments anyone,



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PostPosted: 23 Jul 2017, 16:59 
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Joined: 08 Aug 2009, 03:11
Posts: 2229
Location: Chilliwack, BC
The rectifiers on the heater section are reversed.

-= Gregg =-
* Ratings are for transistors - tubes have guidelines*
Home: GeeK ZonE
Work: Classic Valve Design

PostPosted: 26 Jul 2017, 18:21 

Joined: 09 Oct 2012, 19:43
Posts: 363
Location: Vancouver Canada
They are wrong. Aaaand there is one capacitor on the heater supply bridge wired wrong as well. It is the 3rd one down in the sch wrongly connected to the cathode of the bridge. It should go to the anode in parallel with it's diode. Easy mistake to make given the person who drew it was standing on his/her head looking into a mirror though. Made it myself I admit. Once.

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