Korg EXB-RADIAS

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Korg EXB-RADIAS expansion board is a synthesizer/vocoder option board that uses the Korg MMT (Multiple Modeling Technology) to provide a wide range of tonal variety and 24 voices of polyphony for the RADIAS synthesizer engine.

The module comes in the original box with original manual and 5 mounting screws. It is fully functional and as new. These are super rare, especially with all the original contents!

The EXB-RADIAS board is installed in the M3 synthesizer to upgrade the capabilities of the overall synth (I also have an M3 61 key synth listed for sale in my shop). You'll be able to use 128 RADIAS programs in program bank INT-F. You can also edit all RADIAS synth properties via the M3 touch screen (see manual for more info).

Here are the features:

• 24 voices polyphony (in addition to the M3 internal synth engine)
• RADIAS synth module
• 2 Oscillators + noise generator
• Oscillator 1 has 8 waveforms: saw, square, triangle, sine, formant, noise DWGS and Audio In. There are 4 types of mulation - wavform, cross, unison and VPM
• Oscillator 2 has 4 waveforms: saw, square, triangle and sine. There are 2 types of modulation - ring and sync
• Filter: 2 filters with 4 types of routing including 24db LP, 12db LP, HP, BP and Comb
• Driver/Wave shape: each voice has one non-linear driver or wave shape of up to 11 types
• EQ: 3-band EQ
• Modulation: For each voice, 3 Envelope generators, 2 LFOs, and 3 16-step modulation sequencers
• Vocoder has 16-band with formant motion and shift/hold features
• Audio Input can be routed from the M3's audio sources as well as one stereo AUX source.
• 128 programs are preloaded in the I-F banks and U-A (U-G) are assignable to the EDS/RADIAS by bank