[sdiy] Harry's Nightmare!

[Antti Huovilainen]

On Thu, 8 Nov 2001, Antti Huovilainen wrote:

> And a power supply capable of delivering 1000W for the heaters alone
> (assuming your tubes' heaters are similar to 12ax7's). For 12ax7's, that
> would be 0.15A*500 = 75A. AC is probably good enough (if you can bias the
> grids positive enough from cathode to get rid of hum) so you'll only need

Correcting myself: Bias HEATERS positive. Biasing grid positive from
cathode makes it a diode...

Antti

"If you don't eat yer meat, you can't have any pudding!
 How can you have any pudding if you don't eat yer meat!?"
   - Roger Waters