https://www.xlaudio.fi/valikoima/studio-broadcast/usb-midi-koskettimistot/korg-volca-bass
KORG VOLCA-BASS BASS MACHINE
korg volca bassmachine
https://www.gearmusic.com/store/product/korg-volca-nubass-bass-synth-w-tube-technology?sku=VOLCANUBASS
Korg Volca Nubass Bass Synth w/Tube Technology | Gear Music - Oakville
The oscillator has a tube incorporated for deep warm bass and a second tube is integrated into the sub bass drive for a huge sounding musical distortion
korg volcabass synthwtubetechnology