[sdiy] Another new module: 4 pole multimode filter

Harry Bissell Jr harrybissell at prodigy.net
Tue Oct 7 02:38:10 CEST 2003


Later Prophets (rev 3) used the 
CEM3320 - also used in the ProOne

H^P harry


--- ASSI <Stromeko at Compuserve.DE> wrote:
> On Monday 06 October 2003 09:57, Paul Maddox wrote:
> > ermmm, I thought the Xpander used SSM2040 as the
> filter chip?
> 
> Both the XPander schematics and a peek inside my
> Matrix-12 tell me it's 
> a CEM3372... The microWave started with the CEM3389
> (marketed as 
> pin-for-pin compatible with the CEM3379), later
> models used the CEM3387 
> (like the WAVE, the 4-Pole filter, the Prophet 3000
> and the Emulator 
> III). The Prophet 2000 had the CEM3379, the
> Matrix1000 and Matrix-6 
> have the CEM3396 (the latter in wide-body
> packaging), Chroma Polaris 
> CEM3372/CEM3374(?).
> 
> Prophet 5 rev.1 had SSM based filters IIRC, while
> the later revs 
> switched to CEM (CEM3378? should check on
> winecountrysequential)
> 
> All AFAIK, please correct if you spot any errors.
> 
> 
> Achim.
> 
> --
>
+<[_Q+_Matrix-12_WAVE#46_microQkb/Omega_XTk/30_sonic_heaven_]>+
> --
> 
> Q series MIDI Implementation & additional
> documentation:
> http://homepages.compuserve.de/Stromeko#WaldorfQDocs
> 
> 



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