OK fellas. I am finding conflicting info and diagrams/schematics on the net for this. On some I am a bit confused on the pot lug numbers/landings. This is going in place of my '69 Traynor Custom Reverb YSR-1's 2 band EQ (Bass & Treble) which I thought was a Baxandall tone stack until I got inside and traced it out. From what I can make out of what is in this Traynor is that someone in this amps Dirty Past tried to do a cross between a Plexi and a Blackface two band style, maybe using a resistor on the back of the bass pot as a fixed mid control. But after tracing it out, it just does not make sense on a few of the connections compared to what I am seeing on the web. So . . . I am going to gut the tone stack and start from scratch. I was figuring going with a Plexi era stack - I will be adding either a 50K mid pot or 100K mid pot (I totally dig my Jubilee's tone stack!). I can always tinker with the cap values and slope resistor later. There are quite a few of you VERY SMART FELLAS on here that I know I can trust (You Know Who You Are!) to give me the right info! I also picked up some optional push pull pots to possibly do the "lift the tone stack for a boost" mod.