Re: I look schematic Amplifier for GM70.
Back to the matter: do You think that providing a separate power supply for
the gain+driver tubes is a good idea when fiddling with these big toobs? A
1000V B+, with a surge of maybe 1400, requires lotsa caps in series to
withstand it, while the driver tube (suppose an EL84 loaded with a 15K, 25W
thick-film resistance) would ask for "just" about 500. Sourcing this
voltage ot of the 1000V rail would be a PITA: 500V times (say) 40mA is 20W
of pointlessly wasted power and heat. A separate PS is a PITA too, but of a
lesser caliber I think.
Ciao
Fabio
"Patrick Turner" <info@xxxxxxxxxxxxxxxxxx> ha scritto nel messaggio
news:435F5F53.5C198E4C@xxxxxxxxxxxxxxxxxxxxx
>
>
> Mirko wrote:
>
>> I look for scheme of amplifier that uses the valve GM70. Can you address
>> me to a link? Thanks.
>
> I will try to send you a schematic of an amp I designed for a colleague.
> He said the audio club all liked the sound.
>
> Patrick Turner.
>
.
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