[sdiy] SSM2040 replacement

[Mattias Rickardsson]

The SSM2040 must be the filter chip that most people regard the
highest, but early Prophet~5 is the only synth where the majority of
people have heard it. Other filter favourites are often situated in
monophonic synths, where the filter is often used more radically.

Would you say that the sound of the SSM2040 is primarily a "good
polysynth filter sound" or does it fight with the top ones in
monophonic applications too?

/mr  -  with a spare good old SSM2040 that needs some love :-)

On 3 February 2012 13:48, Paul Maddox <yo at vacoloco.net> wrote:
> Yeah, and I have to say, it sounded REAL nice too!
>
> I have one of his HM2040 modules, I just don't have much time right now :(
>
> I might knock up some eagle parts for them this weekend, in between house hold DIY. Maybe that'll spur me into making something.
>
> Paul
>
> On 3 Feb 2012, at 09:30, Neil Johnson wrote:
>
>> Hi,
>>
>> paulo semprini wrote:
>>> Just wanted to notify anyone who didn't know that Hearn/Morley is
>>> selling a replacement for the SSM2040 quad VCF --
>>> http://sites.google.com/site/hearnmorley/products/hm2040
>>>
>>> It's an odd size, and not directly pin-compatible;  but I wired up a
>>> simple adapter socket & plugged one into a rev2 Prophet 5 -- the
>>> customer couldn't tell the difference between the new one & the
>>> originals.
>>
>> You can see pictures of George's polysynth using these modules when he
>> brought it along to synth-diy UK in 2008:
>>
>> http://www.diy.synth.net/glry/main.php?g2_itemId=1032
>>
>> Cheers,
>> Neil
>> --
>> Modules and more: http://www.cesyg.com
>> Homepage: http://www.njohnson.co.uk
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