This may have been discussed before but here's my experience with it... 5E3 Tweed Deluxes are famous for interactive volume and tone controls. Some (maybe most?) users of the amp find this as part of the charm of this old circuit, but I find it really annoying. A side effect of the interactive behavior is a LARGE abrupt volume increase when you are trying to increase volume (from boths channels at 0) slowly to some ususable-at-home volume. I did a little looking into this and found that the problem was solved simply and effectively on the subsequent version of the Deluxe...namely Leo Fender cured this when he designed the Brown Deluxe amp. The input circuits are almost identical accept for the mods that cure all this weird behavior. So now I have a Tweed Deluxe that has NO volume and tone control interaction and each channel volume increases slowly and predictably from 0 all the way up to 12. All of the tone of the Tweed Deluxe and none of the quirks! What's also cool about it now is that since each input channel's volume can be independently controlled you can still bridge the input channels and/or you can use one of the channels to mix in an effect and control the mix of dry and effect with the individual volume controls. Has anyone else done this?