At 06:31 PM 8/23/2006, you wrote: >I found one of these chips - apparently an integrated S&H + Demux. > >In which synthesizer(s) has this been used? > >Is it valuable? :) > >JH. Used in the Akai VX-600 and the Ensoniq SQ-80, according to Senso's http://vintageplanet.nl/index.html, where they sell for 18.5 euros each. -- john