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Doepfer A-178

Beschikbaarheid: niet op voorraad

€ 100,00

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Theremin Control Voltage Source

Details

Theremin module for generating a variable control voltage by approaching/removing hand to/from an antenna. Additionally the module is equipped with a Gate output with adjustable threshold level. Probably the module will also be available in a version with a separate case so that the antenna can be placed outside the A-100. Controls/Inputs/Outputs: antenna input, offset (knob for zero adjust), 2 x CV out, 2 x LED (for CV control positive/negative and zero offset adjust)

To simulate the original Theremin two A-178, a VCO (e.g. A-110) and a linear VCA (e.g. A-130 or A-132) are required. But of course the A-178 can be used to control other functions in the A-100 (e.g. filter frequency, modulation depth and/or speed, tempo, attack/decay time and so on). A similiar module using the illumination intensity instead of the distance between hand and antenna is the Light-to-CV Converter A-179.

From August 2012 an improved version for the antenna connector is used. A so-called BNC connector is used to connect the antenna to the module (same type of connector as used in measuring equipment like oscilloscopes). Therefore the price of the module has to be increased a bit. Some mechanical and electrical skills are required to modify an existing A-178 module for the new version of the antenna connector. The module has to be disassembled. An additional hole for the new BNC connector has to be drilled or punched into the panel e.g. right from the existing antenna socket above the Offset control (the existing hole of the 3.5 mm miniature socket cannot be used for the BNC connector). Then the module has to be assembled again and the new BNC connector has to be connected to the old socket. Pay attention that an isolated version of the BNC socket has to be used.

 Applications:

 controlling any voltage controlled parameter of the A-100, e.g. pitch or pulswidth (VCO A-110), loudness (VCA A-130/131/132), panorama (A-134), filter frequency or resonance (A-120/121/122/123), phasing (A-125), frequency shift (A-126), resonance peaks (A-127), envelope parameters (A-141/142), tempo (A-147), passive control by covering/shading the sensor via hand or body, active control by using pocket lamp/flashlight/laser. triggering of A-100 activities via gate with adjustable threshold, e.g. starting an envelope (A-140/141/142), Start/Stop of a sequence (A-155), any switching function (A-150/151) Conversion into MIDI control change messages is possible with the A-192. Similar control voltage modules: Light-to-CV Converter A-179 / Trautonium/Ribbon Controller A-198 / Foot-Controller A-177 / Control Voltage Source A-176 / Joy Stick A-174

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Breite/Width: 8TE / 8HP, Strombedarf/Current: 50 mA

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