Here is the complete documentation for the v3 Resonators, including the X-Panner:

2nd edition 8 MAY 09
(due to error in x-panner BOM)

Klee2, SN Voice, PS3100 double trouble Resonators

TH3038 VCO, PS3100 in different modes

external LFO controls VCO & PS3100 freq #1

Pictures of the prototype:

panner only - stereo panning, both outputs used

panner only - x-panning, both in- and outputs used

panner only - fading two inputs into one output (mono)