[sdiy] Differences between MG-1 and Rogue filters

[phillip m gallo]

CJ,

It could be that your MG simply needs a symmetry (R94) adjustment do to age.

Regards,
p



-----Original Message-----
From: owner-synth-diy at dropmix.xs4all.nl
[mailto:owner-synth-diy at dropmix.xs4all.nl]On Behalf Of Metrophage
Sent: Monday, September 06, 2004 4:18 PM
To: Paul Schreiber
Cc: synth-diy at dropmix.xs4all.nl
Subject: Re: [sdiy] Differences between MG-1 and Rogue filters


--- Paul Schreiber <synth1 at airmail.net> wrote:
> This is a common Moog 'trick', even the Moog 904s use the
> base input resistance as "high enough for rock and roll".

Hi Paul!
I wonder if I am misunderstanding you. I'd assume that by "base input
resistance" you are referring to those same 200 ohm or 1k resistors
whos value you said doesn't matter, am I wrong? As in the bases of the
transistors?

Why do the two schematics say that the signal strengths would vary so
much there, less than a volt compared to +/-12v? Is this related to the
filter rocking harder? I fear that I am high enough to rock, but no so
high that I can't see that my foundation in electronics is a tad
nonexistant, so I am not sure!

CJ




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