“Yamaha FB-01 FM Sound Generator Synthesizer (synth) Fully Tested w Manual.
The FB01 is a 4-operator, 8-algorithm FM tone generator that can produce up to 8 notes simultaneously. The FB01 may be set to be 8 instruments, each playing monophonically, one instrument with 8-note polyphony, or any combination in-between.
240 voice memories are provided in ROM (5 banks of 48 voices), and 96 more voices memories are provided in RAM for you own voices.
Unit powers up and plays fine and all eight buttons work as does the LCD, but please note the unit has never had its battery replaced (so it is over 25 years old at this point). A manual is included. As scene in the pictures – item does have some scratches,” Click here to visit listing on eBay