[sdiy] Crumar Performer - TDA1008 (was Keyboard assembly)

[jhaible at debitel.net]

> Anyone know anything about the TDA1008 chip in this thing?
> 
> I have a dead one also that I've been meaning to cannibalize... I didn't
> even realize it had some SSM chips either until I saw JH's schematics.


A couple of remarks about the SSM chips in the Performer:

a) This is hands-down to worst sounding SSM2040 application I've ever
   heard. I *love* the strings of this machine, but the Brass is
   just thin and cheesy - does that SSM chip no justice.

b) I held these schemos back for many years because I didn't want
   a wonderful and underrated string machine to be canibalized for
   SSM chips. I don't even know why I have made it available now.
   Maybe I had too many requests in personal mails to ignore, and
   certainly it has to do with c):

c) Imagine my surprise when I had bought that 50 Dollars slightly 
   damaged Performer, opended it up and found ... *no* SSM chips
   inside! Instead there was a discrete Moog ladder filter. Which,
   despite my genereal preference of the SSM2040 over most Moog
   filters, actually sounds *good*. (Not like brass at all, but
   good for strange synth sounds to be mixed with the string ensemble.)

JH.



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