[sdiy] tube preamp and fx chain

[René Schmitz]

Hi again,

Antti Huovilainen wrote:
> You can't really bias 12AX7 at -2V with resistive plate load, get 
> max output swing and keep it within the allowed voltage limits.

Well, actually you can, you'd have to put a resistor from cathode to V+ 
to supply some extra current into the cathode resistor. (But I haven't 
seen this in guitar amps.)

Cheers,
  René

-- 
uzs159 at uni-bonn.de
http://www.uni-bonn.de/~uzs159