Koma Elektronik - Poltergeist Quadraphonic mixer

€ 839,00 € 799,00 (including 21% VAT)
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Koma Elektronik - Poltergeist - Quadraphonic Audio Mixer

For your Quadraphonic live audio performance! Let the sound come from every corner of the hall!

KOMA Elektronik’s new POLTERGEIST Eurorack module enables users to manipulate up to four audio/CV signals quadraphonically or stereophonically in new and ghostly ways. Previously you would need multiple modules from various manufacturers to achieve something similar to what we perceive as quadraphonic sound. But now with one single module, you can mix and control signals quadraphonically with complete control and beyond with its 21 ins and outs, 48 SSM VCAs and unique hands-on mixing features. 

The four individual channels of the POLTERGEIST each include a VCA with CV input, performance-oriented clickless solo and mute switches that engage upon release for perfect timing, pan with CV input over the entire 360°, a FIELD knob to add an inverted version of the signal to all mixer outputs, an ORIGIN knob to control pan modulation from the Master Origin CV input, and of course an input with Gain control. Spatial animation is easily achieved by adjusting these parameters along with outside CV control from other modulation sources.

With a flick of a switch, the POLTERGEIST can function as a stereophonic mixer as well. In the master section are 4 mixer outputs dedicated to each quadrant or left and right depending on which mode it is in. There is also an auxiliary stereo input going directly to the summing bus (pre master VCA). Create your own compressor by using another module like an envelope or comparator into the Master Gain CV Input, a half-rectified, inverted CV input where positive CV reduces the Master Gain and negative CV is ignored. At the end there is the Master Gain knob to control overall volume. 

Pan position is highly controllable on an individual level for each channel. Slope (also controllable via CV) controls the curve of the pan: on one end the signal remains at one output for a long time then quickly jumps to the next; while on the other end, the signal stays at the output for a shortage before it slowly begins moving to the next. Shift each or all channels’ pan positions from 100% to 0% to -100% with the Master Origin CV input. By adjusting each attenuverter on each channel, complex choreographies are possible. 

The POLTERGEIST measures at 28HP wide. The KOMA team has worked over a year and a half on this entirely new design as this module premiers our patent pending analog method of controlling quadraphony and mixing.

The KOMA Elektronik Poltergeist Analog Quadraphonic Audio Mixer / Panner / VCA. is unlike any other eurorack module that has previously existed. Previously you would need multiple modules from various manufacturers to achieve something similar to what we perceive as quadraphonic sound. But now with one single module, you can mix and control signals quadraphonically with complete control and beyond. Four channels each with it’s own VCA, plus a stereo auxiliary input, are mixed out to four separate outputs enabling the user to manipulate signals both stereophonically and quadraphonically in entirely new and ghostly ways with its 21 ins and outs, 48 analog SSM VCAs and unique hands-on mixing features.

With performance in mind when designing the Poltergeist, KOMA Elektronik included large Pan knobs for total control over the 360 degree range field. Also, clickless solo and mute buttons allow for effortless and instantaneous changes on the fly. Beyond these controls, you can also tailor your sound with extreme detail using functions such as Slope, Field and Origin. With just this mixer, some audio sources and a couple of LFOs, extremely complex sound design can be achieved.

[text taken from the Poltergeist Manual v1]

  • 510 mA +12V
  • 460 mA -12V
  • 0 mA 5V
  • 59mm Depth (conncector included, measured from the back of the frontplate)
  • 28HP Width

Manual here

 

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