[sdiy] Tube!

[David Moylan]

I've read that starved tubes voltages give 'exagerrated tubiness' but 
can't say I have any experience there.  If you have access to the low AC 
voltage from the secondary of the power transformer you could do like 
Paia did and use a voltage multiplier to up the voltage a bit.  I think 
they went to 48V??

Dave


Ian Smith wrote:
>  
>> That goofy tube only has a gain of 13. I'd say use at least a 12au7 with
>> realistic (200v+) plate supply so you'll have some headroom. 
> 
> Well, I was going for the 12V tube because I want it to work with the voltages provided by the main power supply and not have to wire up a second supply for high voltage, but I suppose if I really want an old tube amp sound, I should use the high voltage stuff.
> 
>> What do you plan to do with it? Use it as a buffer stage?
>>
> 
> I just want something on the output that will give the synth that nice tube warmth.
> 
> -Ian
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