Yamaha EM-90A drum this unit does the trick

this unit does the trick

Envelope and Sub in one huge family-sized effects box (buzz is from iPhone

It has a totally unique voice

The end cheeks are very clean with some minor dings

Casing has some rust spots and the front face writing is worn off in places but nothing that affects the functioning

Yamaha EM-90A drum this unit does the trickA genuine piece of music technology history from the 70s and very high tech at the time a PA mixer from Yamaha with built in spring reverb and analogue drum machine. Spec: Six channels with 1 4'' inputs on the front Line, Guitar, Mic switch for each channel Treble, Bass, Volume and a reverb switch for each channel as well. A, B, Speaker mute button for each channel Built in Drum Machine With the following patterns: March, Waltz, Swing, Slow Rock, Jazz