Dual Synthi AKS External CV and Gate Interface Module
Again Built into retro looking trapezoidal shaped plastic case as in the single AKS CV unit. This unit is designed for the Synthi AKS and allows a second Synthi (another Synthi A(KS) or VCS3 mk1(2) to be simultaneously connected. Connection is via a special cable 3-way cable each with 8 pin jones connectors attached at the other.
One pair of cables (with ‘Synthi 1’ and ‘KS 1’ engraved on the plugs/sockets) are for connection to the main synthi AKS unit. Power is taken from this main Synthi 1 to power the KS1 as usual. The third cable (with engraved ‘Synthi 2’ on the 8 pin Jones plug) is for connecting to the second Synthi.
No power is taken from this second synthi..only the ground connection so that Synthi 1 , KS1 and Synthi 2 all have a common ground. The unit has all the functionality of my single Synthi AKS CV interface described elsewhere. That is either KS control or 3 channels of scalable external CV1-CV3 + external Gate can be independently switched on each of the input channels Input Ch1, Input Ch2, matrix row 16 of the matrix and the external Gate can trigger the Envelope Shaper.
Now with the Dual Synthi unit, each of the 4 channels (Input ch1, Input ch2, Row 16 (Joystick vertical control) and ES trigger can be toggle switched to either control Synthi, Synthi 2 or Synthi 1+2 simultaneously. The various voltages coming form the KS 1 on the main Synthi AKS unit (‘Synthi AKS 1’ ) are all op-amp buffered. This means no voltage droops happen when these voltages are used to drive Synthi 1 + Synthi 2 at the same time. Particularly important for pitch voltages coming form the KS. In addition there is a voltage inverter available for CV3 as in the single AKS CV unit.
The unit derives its power from Synthi 1 and is minimal (few milli
amps) to drive the quad JFET opamp used for the 3 buffers + inverter.
The second Synthi being controlled by this unit can be another
synthi AKS or VCS3 mk2.
A Synthi A or VCS3 mk1 can also be used but then you wont have the CV3
option available to these as matrix row 16 does not double as a CV
input on these synthi’s.
There are many many creative possibilities using this unit if you are
lucky enough to own 2 synthis.
See a similar Dual Synthi CV unit available in Afroromosia wood as
in my VCS3 CV units for people whose main synthi is A VCS3 mk2 + DK1/2
rather than Synthi AKS so that it matches the VCS3 styling.
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