Hoffman Amplifiers Tube Amplifier Forum
Amp Stuff => Tube Amp Building - Tweaks - Repairs => Topic started by: joesatch on July 19, 2022, 07:54:05 pm
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if i were creating a dual channel preamp with identical channels is it better to run cascading gain stages to the same tubes or treat the triodes of each tube independently? Ex. can i run ch1 first gain stage through v1a and ch2 first gain stage through v1b , ch1 second gain stage to v2a and ch2 second gain stage through v2b and so on? If i do it this way the board layout would be better for proximity of components?
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i have settled on this compromise. Basically it's a dual channel preamp with 2 X88R lead channels. I will voice them a bit differently.
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I design my builds to minimize off-the-board wiring. Doug Hoffman's boards are inspirational for that.
But, that philosophy can be difficult difficult to implement -- as I'm learning -- while trying to build Dumble inspired designs -- eg, switching tone stacks, various OD channels, etc.
What schematic drawing program are you using? Looks nice.
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it's this