Voice Crystal “Omnibus” ROM Card for the Korg Wavestation Montreal's Premier Vintage Analog Synth Shop » Products Page » SOLD - Keyboard Peripherals » Voice Crystal "Omnibus" ROM Card for the Korg Wavestation This card is in excellent condition and has been tested on a Korg Wavestation. Cette carte est en excellente condition et a été testée sur un Korg Wavestation. display_price: 1 Price: $49.00