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via this auction
EMS Synthi A in excellent condition and handled with care. Full Service in 2019 by EMS Expert Constantin (Portabellabz).
+ SQ1 Sequencer
+ Sister Card
+ The following modifications
mode MK1
1 : osc1 sinus
2 : osc1 ramp
3 : osc2 square
4 : osc2 triangle
Oscillators
1. Shape
2. Range
3. Synchronisation
4. Compensation temperature
résistance tempco Tyco LT300014T261K0J on oscillators 1 & 2. More stable.
Filter
1. 18/24db
2. Slew/unslew
Enveloppe
« attack » « decay »
Inverter pins
S&H / Random
Trapezoid Polarity
+ 2 essential cards:
SQ1 Sequencer
The SQ-1 Card adapts the great small Korg SQ-1 sequencer and adds easy plug and play CV/gate facilities to the Synthi.
SISTER CARD
Thick PCB for best stability and solidity
2 identical LFOs
Bipolar signal
Square output
Triangle output
Variable shape of both waveforms
Hi/lo range switch
Lowest frequency : +/- 25 seconds cycle
Highest frequency : +/- 90Hz
Frequency LED
Sample & hold
Clocked by either LFO (3 position switch 1 - off - 2)
Sample input via the meter column
Slew limiter with rate pot and lin/log response switch
Normal CV output
Slewed CV output
Clock LED
2 identical CV modulation busses
Individual level pot for each output of the LFO's and S&H
Left bus CV routed to input channel 1
Right bus CV routed to input channel 2
Mixed output CV inverter switch
Level LED
2 attenuverter pins
Scale and invert signal
Gate output
Fires the Synthi's envelope generator by either LFO (3 position switch 1 - off - 2)"
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MATRIXSYNTH - EVERYTHING SYNTH
© Matrixsynth - All posts are presented here for informative, historical and educative purposes as applicable within fair use.
MATRIXSYNTH is supported by affiliate links that use cookies to track clickthroughs and sales. See the privacy policy for details.
MATRIXSYNTH - EVERYTHING SYNTH
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