MATRIXSYNTH: Korg 770 SN 770038

Saturday, May 29, 2021

Korg 770 SN 770038

via this auction

"An ultra rare mono synth from 1976! This often overlooked synth sounds great. It is capable of some really awesome early analogue sounds.

Only 100 units made, imagine how much left! It can make some weird noises largely due to it's retro-cool ring modulator.

You can also run external sounds through it.

It has two VCOs, two kinds of Ring Modulation, three kinds of Noise and the High Pass and Low Pass filter a featured on dual traveller sliders!

Oscillator Subtractive synthesis analog mono synthesizer with 2 VCO and portamento mode:

- VCO1: octave range from 64' to 2', tuning +/- 5 semitones, shapes triangle, square, saw, pulse, pulse with variable width. Also special external mode (see filter)

- VCO2: octave range from 16' to 1, tuning +/- 5 semitones, shapes saw, Ring modulator 1/2, Scale Noise, Pink Noise and White Noise.

FILTER The filter is analog (Traveler) allows flexible and sofisticated LPF, BPF and HPF with 'BRIGHT' which is the resonance.

ENVELOPE single EG generator "AR" Attack/Singing Level, the Range is based on 3 level presets

LFO Single delayed triangle modulator with variable depth and reaches a pretty high frequency for some FM modulation on pitch.

Also can acts as a simple VCA vibrato. It's got a fast envelope, auto bend, and LFO re-trigger too."

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