“This is a used Sequential Circuits Model 64 sequencer, that was used with the Commodore 64 computers. Last time that I used this unit, it worked (but that was a long time ago).” Link
“Fully tested and in good working order
Any fields left void are either not stated or unknown.
Measurements……………………..95mm Wide x 180mm Deep
Condition…………………………….very good
Cables included…………………….no cables
Other details…………………………very rare add on card, serial # 1664
OF
All input and output sockets/plugs are pictured.” Link 
