synthesizers

test & measurement

audio

Roland sh2000

Yamaha dx 7

Philicorda

Synton syrinx

Siel orchestra

Casio digital sax

bruel & kjaer 1015

bruel & kjaer 1022

bruel & kjaer 1024

rohde & schwarz filters

hitachi analog computer

Allesis 300  

Lexicon dig reverb