You will always need to heat the heaters.
Ken
>In Files/Waveforms/ there are some interesting simple circuits using a 6AG7
"diode
>connected" (diode modulators, etc)
>
>Does it mean those are passive circuits?
>No need to apply voltage even to heaters?
>
>Excuse my ignorance...
>
>
>
>
>Yahoo! Groups Links
>
>
>
>
_______________________________________________________________________
Ken Stone
sasami@...Modular Synth PCBs for sale <
http://www.cgs.synth.net/>
Australian Miniature Horses & Ponies <
http://www.blaze.net.au/~sasami/>