PM-80 - CS-80 MIDI controller with 75-faders + ribbon

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We've been reading on KVR through the years, and now would like to share a new development, as we think quite a few KVR members will be able to enjoy this:

A dedicated MIDI-controller for Yamaha CS-80 VSTs

GLT Audio created the “Poor Man’s CS-80” — the PM-80, featuring 75 dedicated faders and a ribbon controller, offering an inspiring hands-on experience with your CS-80 inspired VSTs. But it can act as a versatile generic MIDI controller as well.

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Use cases of the PM-80:
  • Map the PM-80 to your favorite CS-80 VST, such as Cherry Audio's GX-80 or Softube's Model 77.
  • Use the PM-80 for other VSTs, by adapting it's parameters using magnetic labels.
  • Control a virtual audio mixer. (eg. 24 x level, 24 x pan, 27 faders for effects)
  • Control hardware directly in a DAWless setup, using the MIDI DIN output (even allowing SysEx on customized firmware).
  • Connect to your Eurorack: the ribbon controller outputs to CV and Gate.
  • As a powerful generic MIDI controller, the PM-80 can even be used for applications like DMX light control and VJing.
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Product details:
  • 75 high quality silk-smooth 30mm faders by Alps Alpine (all without detent).
  • 30 cm ribbon controller.
  • 6 high quality waveform toggle switches and 3 slide switches.
  • 1 special switch: while pressed you control 75 additional CCs.
  • Slim table-top metal enclosure with screen printed metal faceplate and rubber feet.
  • We will share the source code, allowing firmware customization by the user.
  • Dimensions of the enclosure: 410mm x 205mm x 20mm.
  • Designed and assembled in the The Netherlands.
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Connectivity:
  • Power and MIDI over USB-C
  • 3.5mm TRS MIDI-out (Type A)
  • 3.5mm TRS CV & gate out (assigned to the ribbon controller)
  • 3.5mm TRS expression pedal input (value sent out over MIDI)
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GLT Audio makes its debut with the PM-80. We are a design collective based in Den Haag (The Netherlands), consisting of a designer, engineer and a seasoned composer who worked for Nord Keyboards and Nonlinear Labs (the C15).

We finished the design and are currently working on the engineering. To indicate production volumes and adjust our design to this, we're opening a wait-list.

View all details and join the waitlist on our website:
http://www.gltaudio.com/?ref=kvr (http://www.gltaudio.com/?ref=kvr)
Last edited by gltaudio on Mon Dec 22, 2025 7:52 pm, edited 1 time in total.

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Really nice design. Interested...

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Will you be offering 2-way communication like SoundForce is doing?

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Uncle E wrote: Mon Dec 22, 2025 8:58 pm Will you be offering 2-way communication like SoundForce is doing?
No, we don't plan to do that: only MIDI-out from the unit. The 75 faders are obviously not going to be flying faders. And we like the physical toggle switches, for which 2-way communication wouldn't work. Or you're welcome to elaborate the kind of functionality you would like?

We like the PM-80 to be a unit for active programming/playing/exploration: to be able to play a CS-80 as if its a Juno, where playing and programming to hand in hand (how Vangelis played it :) )

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gltaudio wrote: Mon Dec 22, 2025 9:23 pm Or you're welcome to elaborate the kind of functionality you would like?
2-way communication where the fader starts when it matches the preset, to keep parameters from jumping.

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