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2203-clone: voltages?

8/15/2000 10:23 PM
Gerben	2203-clone: voltages? Hi! I’m going to build a 2203-clone from scratch (and mod the hell out of it ). What I would like to know: What are the voltages to shoot for on the pre-amp tubes. I gathered some info from GT’s Tube Amp Book, and from the schematic of the Pignose G40, and I would like to know if these voltages are good starting points. So, V1a plate 210V V1a cath 1.75V B+ 280V V1b plate 250V V1b cath 2.6V V2a plate 165V V2a cath 1.0V V2b cath 167V B+ 290V V3a plate 220V V3b plate 210V V3a+b cath 37.5V B+ 330V Any input is most welcome! Thanks, Gerben

8/15/2000 10:23 PM

Gerben

2203-clone: voltages?

Hi!

I’m going to build a 2203-clone from scratch (and mod the hell out of it :-)

). What I would like to know: What are the voltages to shoot for on the pre-amp tubes. I gathered some info from GT’s Tube Amp Book, and from the schematic of the Pignose G40, and I would like to know if these voltages are good starting points.

So,

V1a plate 210V
V1a cath 1.75V
B+ 280V

V1b plate 250V
V1b cath 2.6V

V2a plate 165V
V2a cath 1.0V

V2b cath 167V
B+ 290V

V3a plate 220V
V3b plate 210V
V3a+b cath 37.5V
B+ 330V

Any input is most welcome!

Thanks,

Gerben

Replies:

BWilliamson q{I’m going to build a 2203-clone f... -- 8/16/2000 4:30 AM