In some devices only gate outputs are available (e.g. Doepfer MAQ16/3, Dark Time, Schaltwerk, Regelwerk, MCV24). This means that a positive voltage (e.g. +5V or +8V or +12V) is used to trigger the device controlled by the gate output. Some devices (especially Moog synthesizers) require instead of this a so-called switched trigger or S-trigger. This means that a short circuit (connection to GND) is used to trigger the unit (example: a foot switch making a short circuit when actuated).

A simple electronic circuit made of a 10k resistor and a standard npn transistor is used to convert a gate signal to S-trigger. The sketch below shows this circuit. The resistor and transistor can be built e.g. into the case of the 1/4" jack. If you have problems to assemble yourself such a cable please ask your local dealer. We offer such a special cable with a 3.5 mm miniature jack plug on one side and a 1/4" jack plug with built-in electronics on the other side. The cable lenght is about 1.2m. It is suitable e.g. for the gate outputs of A-100, MAQ16/3, Dark Time, Schaltwerk, Regelwerk, MCV24 and so on. You find the price in the accessories section of our price list.

For other applications cables with other plugs may be necessary (e.g. 1/4" on both sides). If your synthesizer is equipped with an original Moog S-Trigger connector a so-called Cinch-Jones plug is required instead of the 1/4" jack plug on the S-Trigger side..