Analog Synthesizer Modular Mixer With Filter

images at this auction
"Mix Mix Mix.
One little mischevious devil here.
...and a funky mix.
Mix Machine is a VOLTAGE-CONTROLLED 8-channel mixer.
It is also an 8-channel FILTER BANK.
It is made using 8 CEM3379 chips by Curtis Electro-Music!
Audio inputs = 8 of them!
Voltage-Controlled PAN = 8 of them!
Voltage-Controlled AMP = 8 of them!
Voltage-Controlled LOW PASS FILTER = 8 of them!
Voltage-Controlled Resonance = 8 of them!
Audio Outputs = Stereo or L = mono. This can be handy.
and a Master Volume knob. "Main Gain"
There are 32 Control Knobs!
They are labelled as Attenuations, but are in fact, Control Knobs.
There are also 16 extra unused jacks on the back.
They were not used in this design, but you could use them for your own mods if you like.
The Filters are 4-pole 24dB and can self-oscillate.
There are just so many possibilities here.
Turn up the Volume!
Turn up the Resonance knobs!
Hear the tones drone!
Filter your guitar!
or Drum Machine?
or Akai MPC sampler with multiple outputs! Filter it 8 ways, please.
Plug LFOs, Analog Sequencer, or Sample+Hold into Control Input Jacks.
Use with a MIDI-CV Converter for Programmed PANS and FILTER SWEEPS.
It has an internal power supply and comes with a cable for USA 117volts AC."
More info and samples here.