--- On Sun, 4/22/12, Tom Wiltshire <tom at electricdruid.net> wrote: > The OB-X is about the point at which it changes over. It > retains the CA3080 SEM filter, but the oscillators and > envelopes are already CEM chips. No that's not correct. The only CEMs in the OB-X are the CEM3310 EGs. The oscs are 3046 based. I have all the OBs right here. :)