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Doepfer

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RE: [Doepfer_a100] Re: A-101-2 Low Pass Gate and self oscilation

2007-09-09 by Anthony Rolando

Can anybody with the PRODUCTION version, or Dieter confirm if the LM324 is 
used for the Audio signal in this module. The LM324 is typically reserved 
for CV summing and etc...  I would be surprised if it were being used for 
audio.

TR

> > BTW usually, even though not always, a TL074 is prefered over an
> > LM324, do you see any reason why the LM324 has been choosen for the
>LPG?
>
>I cannot see any glaringly obvious circuit reason for using a higher-
>spec op amp, and I guess Doepfer themselves are aware that A-100
>stuff probably doesn't appeal to those people who absolutely insist
>on low-noise *everything*, so my best guess would be that it simply
>comes down to economics - I suspect the LM324 is just cheaper than a
>TL074. I might be wrong though, and so I am willing to be corrected
>by Dieter!

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