JHS SD-1 Pro-Rhythm Drum Synth Tremolo Demo of this actual unit

Demo of this actual unit in action:

simple look

We can also supply replacement instructions for all Roland echoes and tried and tested replacement Roland tape loops

(Phaser would be a PS-1A and the fuzz was a Big Muff)

This work has not been done professionally and is rough around the edges as shown in the photos

JHS SD-1 Pro-Rhythm Drum Synth Tremolo Demo of this actual unitExcellent drum synth. Full of disco and dub goodness. Only selling this one because we picked up another. Serviced and working well. The JHS SD 1 is a 2 oscillator synth with a switchable LP HP BP resonant VCF. VCO 1 has Noise, Square and Ring Mod. VCO 2 is switchable as an LFO which can affect VCO 1 or the VCF. It also has a sweep generator which can affect either or one of the VCOs, and the VCF with independent variable polarity and depth, and