Access Virus Indigo
This is a legendary synth from 1999. This uses the Virus B synth engine which features 24 voice polyphony, 16 part multitimbral, 6 output, 4 oscillator (Sawtooth, variable pulse, sine, triangle) with sync. The Indigo has 64 digital FM spectral waveforms, 3 LFOs with 68 waveforms, 2 independent resonant filters which can be used in series or parallel, or split. Filter types include lowpass, highpass, bandpass, band reject with up to 36dB/voice (6-poles). There are 5 FM modes, and a dedicated overdrive/saturation which is separate from the 82 types of effects. 2 ADSTR envelopes, a mod matrix with 3 sources and 6 destinations. Watch a demo here.
Image
Type of unit
Synthesizer Keyboard
Brand/Make
Access
Synthesis Technology
Physical Modeling
External control
MIDI
Parts Capability
16 Part Multitimbral
Polyphony
24
Patch memory
digitally stored
Decade of creation
1990s