Ricard's not-so-usual synth page

Most people who've started looking into analog and other older synthesizers know what a Moog Minimoog is, or what a Korg MS-20 looks like, or what a Roland TB-303 sounds like. But then there are a number of machines that are just a bit more uncommon. On these pages I'll be collecting images and descriptions of some of these machines.

KORG

Two of the more unusual Korg synths are the 800DV and the 770. They preceeded the much more popular MS-series synths by a couple of years, and are quite odd in their naming of front panel controls. The filter cutoff frequency controls are called 'traveller', for instance. The 800DV is a 'dual voice' instrument, with two separate channels that can be assigned to the highest and lowest note played. The 770 is more of a run-of-the mill synth, still with two VCO's and two filters (one LPF and one HPF).
Click on the pictures for a larger image.

KORG 770

Image of Korg 770 synth Korg 770 on its tripod stand

Images from Korg Electronic Music Instruments Vol. 5 (catalog)

Specifications:
  • KEYBOARD: F-C 32 Keys
  • VCO-1: Scale (64', 32', 16', 8', 4', 2'), Waveform (triangle, square, sawtooth, pulse, PWM, External Signal), Pitch Control, Vibrato Switch (Normal/Off/Delay), Vibrato Depth, Vibrato Speed, Pitch Bend Switch (Up/Off/Down), Delay Time, Bend Speed, Portmento Switch (Fixed/Off/Control), Portamento Control
  • VCF x2: Traveler (High Pass, Low Pass), Bright Selector, Expand Switches x2 (LP+HP, Off/Normal/Reverse), FcM Switch
  • VCA + ENVELOPE GENERATOR: Attack Time, Singing Level, Range Selector, Sustain Selector, Envelope Mode Selector, Trigger Mode Selector
  • LFO: Speed Control (Repeat+FcM)
  • VCO-2: Coarse Tuning (16'-1'), Fine Tuning, Mode Selector (sawtooth, Ring 1, 2, Scale Noise, Pink Noise, White Noise)
  • TOTAL: Mixing Selector, Mixing Volume, Power Switch/Volume
  • DIMENSIONS: 560(W) x 195(H) x 340(D) mm
  • WEIGHT: 9 kg
  • ACCESSORIES: Connection Cord, Dust Cover
  • POWER CONSUMPTION: Voltage (Local Voltage, 50/60Hz), Wattage (15W)

    • KORG 800DV

    Image of Korg 800DV synth

    Image from Korg Electronic Music Instruments Vol. 5 (catalog)

    		Specifications:
  • KEYBOARD: F-C 44 Keys
  • VCO x2: Scale (64', 32', 16', 8', 4', 2'), Waveform (triangle, square, sawtooth, pulse, PWM), Pink Noise, White Noise, Coarse Tuning, Fine Tuning, Vibrato Switch (Normal/Off/Delay), Vibrato Depth, Vibrato Speed, Pitch Bend Switch (Up/Off/Down), Delay Time, Bend Speed, Portamento Control
  • SUB OSC x2: Scale (32', 16', 8', 4', 2'), Ring, Mixing Control
  • VCF x4: Traveler (High Pass, Low Pass), Bright Selector, Expand Selector
  • VCA x2 + ENVELOPE GENERATOR x2: Attack Time, Singing Level, Range Selector, Mode Selector
  • LFO x2: PWM + Vibrato
  • ENVELOPE GENERATOR x2: Pitch Bend
  • REPEAT: Mode Selector, Speed, Duty
  • KEY TRANSPOSE: Selector x2
  • VOLUME: Upper, Lower
  • POWER SWITCH
  • INPUTS x4: External Traveler Control x2 (DIN Jack), Accessories x2
  • OUTPUTS x4: Accessories x2, Upper, Lower
  • DIMENSIONS: 803(W) x 160(H) x 430(D) mm
  • WEIGHT: 16.5 kg
  • ACCESSORIES: Music Rack, Connection Cord, Dust Cover
  • POWER CONSUMPTION: Voltage (Local Voltage, 50/60Hz), Wattage (30W)
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