Whilst having a sort through the storage drawers in the shed, I found a forgotten envelope with a couple of PCB's inside. One of which is a Weener Wah II board. It has space for two trim pots, one marked T1, the other 'Volume'. Looking at the schematic/BOM for the current Weener board there are no trims on it. I've had a search around but can't find a previous schematic so if anyone can help with the values, that would be great, Cheers.