[sdiy] CEM3328 seems to only have buffers at the end

[Rainer Buchty]

>> The CEM3328 is used in some Ensoniq things (mirage as I recall) and
>> also Crumar Bit One for instance which I have here.  I like the
>> filters.
>
>Oh, yes - if that's the chip in the Ensoniq ESQ-1, I know it, and love
>it, too.

The ESQ1 (and SQ80) uses CEM3379, which probably is built around the
CEM3328.

The 3328s were used in the Mirage and the SDP-1.

Rainer