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Ostrawa is a super clean, voltage controlled stereo mixer with four channels, switchable stereo aux send and click-free muting.

Each channel of the Ostrawa has stereo inputs, a pre/post switchable stereo aux send, click-free mute, individual level meters and high quality VCAs to control volume and panning of the channels. Xaoc Devices has done an excellent job of optimizing the response of the balance and volume CV inputs, minimizing distortion and providing a natural attenuation behavior.

Ostrawa is not a successor to Praga, but offers different features. Both of Xaoc's mixer modules can be daisy-chained for a customizable mixing system. An expander called Bohumin is also available.


  • Full stereo architecture

  • Channel level meters

  • Stereo aux send and stereo returns

  • Expandable by daisy chaining with Praga, other Ostrawa units and optional Bohumin expander module

HE: 3 TE: 20 Power consumption +12V: 180 Power consumption -12V: 150

ConditionBrand New (New)
Brand New items are sold by an authorized dealer or original builder and include all original packaging.learn more
  • Ostrawa
Made In
  • France


Paris, France
Joined Reverb:2018

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