MOTM

Thanks, Richard, I should have remembered that.

John


At 07:21 PM 3/7/2008, Richard Brewster wrote:

>There is no op amp in the 490.  It is a Moog 904A emulator, all
>transistors, with a dual OTA output buffer.  In the theory of operation,
>Paul Schreiber wrote, "A passive mixer is used to mimic the loading
>effects of the 904A filter...".  Is the lower output level of the 490
>really a problem?  It's still much higher, I believe, than the output of
>a real 904A.  It works fine for me, as is.


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