Barton simple dual quantizer.
Dual quantizer based on the Barton DIY board with a Clake panel. Kits and and fully assembled modules available from www.synthcube.com. Documentation available from http://www.bartonmusicalcircuits.com/cvquant/index.html.
http://synthcube.com/cart/index.php?route=product/product&path=73&product_id=170
No info about availability.
$109