Yamaha EM-90A Compact Mixer Demo below (not the unit

Demo below (not the unit for sale) with thanks to the uploader:

We do not recommend using cheap generic Chinese mains transformers and can supply or recommend a high quality UK-made transformer if required

but overall it's looking pretty good for its age

Mixer amp with built in effects

Yamaha EM-90A Compact Mixer Demo below (not the unitA 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