Classic Ring Modulator
This is a vintage ring modulator design with bags of character. It is based on the classic 4014 sub-module which was used on the 2500 modular and 2600 semi-modular synthesisers. The design has a fully discrete core but uses two op-amps for input and output amplification.
http://www.oakleysound.com/ringmod.htm
No info about availability.
$225