Thanks Simon.

The blend pot has been a source of much confusion and frustration. Would work ok for 2 PUP situations but not quite so easy to find the best combination for these MMB PUP's.

Scott (Weirdy) has also put forward another idea and will have a look at both. Yesterday I was that fed up it was just going to remain in series with blend pot not functioning. At least now I have a couple of fresh ideas to explore.

Thanks again.

Cheers, Waz