I've been reading up on 26 and 112a preamps, and there is mention of filament bias. Seems Rod Coleman does some modified filament modules to operate in this way.
Has anyone here actually tried filament bias ?
Filament bias.
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pre65
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#1 Filament bias.
The only thing necessary for the triumph of evil is for good men to do nothing.
Edmund Burke
G-Popz THE easy listening connoisseur. (Philip)
Edmund Burke
G-Popz THE easy listening connoisseur. (Philip)
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pre65
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#2
I've been reading up on this subject, and now I understand how to work out the values. Simple when you know how. 
The only thing necessary for the triumph of evil is for good men to do nothing.
Edmund Burke
G-Popz THE easy listening connoisseur. (Philip)
Edmund Burke
G-Popz THE easy listening connoisseur. (Philip)
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IslandPink
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#3 Re: Filament bias.
Paul has a T-shirt from his work in that area .pre65 wrote: Has anyone here actually tried filament bias ?
"Once you find out ... the Circumstances ; then you can go out"
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pre65
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#4 Re: Filament bias.
Yes, I found some of his old posts on another forum.IslandPink wrote:Paul has a T-shirt from his work in that area .pre65 wrote: Has anyone here actually tried filament bias ?
The only thing necessary for the triumph of evil is for good men to do nothing.
Edmund Burke
G-Popz THE easy listening connoisseur. (Philip)
Edmund Burke
G-Popz THE easy listening connoisseur. (Philip)