808 cow bell with mods

Roland TR808 cowbell circuit packed in euro synth format. Mod allows to tune both oscillators independently, also extended decay is available. Thanks to panel marking you can always come back to original settings. CV input acts as accent control.

Demo:
http://www.youtube.com/watch?v=1vPh85Qqwm4

• 10 mA +12V
• 10 mA -12V
• ? mA 5V

No info about availability.