Rhodes Chroma Polaris II with BCR2000 Controller

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via this auction

"The Problems with the Polaris are:

The problems with the Polaris are membrane related which are very common for this particular synth. They are repairable or they can be bypassed by using the BCR2000 controller (included in the auction) or any other MIDI Sysex controller

The membrane issues are:
1. Osc 2 ENV 2 PMW membrane button
2. Osc 2 SAW pulse membrane button
3. Noise Membrane button

The headphone input is inside the synth"