Very good shape - provided with original box, ribbon and manual.

I am selling this combo PRAGA + expander HRAD
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Praga is an expandable four-channel voltage controlled mixer featuring a stereo mixing bus, two auxiliary sends with stereo returns, clickless muting, dedicated modes for unipolar and bipolar voltage control over volume, DC-coupling, and a super-clean signal path obtained via high-quality VCA and opamp chips.

The module is build around high quality VCA chips from THAT Corp, as well as low noise opamps. It offers clickless muting and equal loudness panning. The distinct feature is that voltage control is dynamically compressed should it yield clipping when pushed too hard. Also, in both modes the attenuators offer full closing of the corresponding channel, regardless of being controlled by the CV, or not. The VCAs fully open (0dB gain) at CV=8V in Env mode and CV=5V in LFO mode. All the input and output signal levels are Eurorack levels.

Multiple Praga units can be chained thanks to dedicated headers on the back. The mixed stereo sum of each unit in the chain is added to the mixing bus of all units downstream.

Power requirement: 210 mA / -180 mA
Dimensions: 20 HP
45 mm deep

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The dedicated HRAD expander will offer a master section with stereo volume control over the overall mix with five-bar LED stereo level indicator, a stereo sum output that is switchable between eurorack and line level, a headphone output with volume control that is independent of the main attenuator, a special cue input that can be auditioned with and without the mix, four control inputs for automated muting/unmuting of individual channels, four inputs for voltage control over the aux send levels, four insert points in the aux sends, and two stereo attenuators for Praga's two AUX return pairs.

Power requirement: 50 mA (+12 V) / 35 mA (-12 V)
Dimensions: 10 HP
45 mm deep