Re: [sdiy] headphone amp

[carsten at analog-monster.de]

Hi Ryan,

this one works fine and I use it in my Formant modular:

http://www.headwize.com/projects/cmoy2_prj.htm

Carsten
-- 
Analog-Monster!
Synthesizer DIY Project
http://www.analog-monster.de

Ryan Williams <destrukto at cox.net> schrieb am 01.07.2004, 09:52:07:
> 
> hi,
> 
> I was thinking of adding a headphone amplifier and also an attenuator 
> for the main output of my modular. this would be a simple little module. 
> Can anyone point me to some deccent headphone amplifier schematics? I've 
> found a few that seem quite complicated for such a little thing.
> 
> Also, about output impedances, I want this module to have a output that 
> will hook straight into my computer sound card (for now). Most of the 
> synth schematics I've looked at have a small (few hundred ohm) output 
> resistor. Is this neccesarry, or would a 1K that I use for every other 
> module be ok? (sound card has max input +2.2dbV and > 10k input impedance)
> 
> thanks---Ryan