EMS Synthi TKS

Papz

Ouwe rot
Lid sinds
20 januari 2009
Berichten
522
Locatie
Belgiƫ
Een zeldzaam TKS dat ik heb gerepareerd is te koop op ebay.
http://www.benl.ebay.be/itm/300871618803

Hij werkt perfect.

De verkoper is betrouwbaar en sympathiek.

Hier is een verklaring van de mods (waren niet door mij gedaan)
Sorry, zal niet vertalen ;)

1. Push-button and switch were probably for external clock but this one can't be used anymore because the jack input (3.5mm jack socket near the 8 pins Jones socket) was disconnected and used as output for the second mod. But looks like is still working (logic state changes on the added 7400 when button is pressed, notes can be played in this mode). But I don't know what about the 5V limiter to avoid frying the TTL's, or the rectifier to get perfect square trigger signal.
Maybe these were removed when the second mod was done ?

2. Clock output with a 7493 that works as clock divider-multiplier-stabilizer on the jack socket. The red Cliff knob is a rotary switch to select various "patterns" derivated from the internal sequencer clock. This mod works fine and is interesting to get a stable clock output from the TKS.

3. Added trimmer and resistor in the real time pitch spread circuitry, probably to fine tune it.
 
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