MATRIXSYNTH: Buchla 255 Control Voltage Processor


Monday, August 25, 2014

Buchla 255 Control Voltage Processor

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via this auction

"This is the no longer manufactured 255 Control Voltage Module. It is in working order and can add lag to 8 different signals as well as perform a Buchla voltage range invert and scale. The original intended use seems to have been to provide processed voltages for a 296 module but it's utility nature can be used in for CV processing throughout the system.

The Model 255 Voltage Processor is an eight channel lag processor, in which each output voltage is a scaled and (optionally) inverted replica of the corresponding input voltage. Additionally a delay time can be inserted that is variable from .01 seconds to 10 seconds. This delay is separately controllable for positive and negative excursions.

Note that the 255 is a specialty item; it is not an e series module, and consequently cannot stash its current state as a preset."

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