Quote Originally Posted by Simon Barden View Post
You could always buy a proper 2-knob Tele bass control plate....

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I had forgotten that the cavity's not routed on these. That would make Simon's original suggestion pretty attractive...

You don't really need the switch--at least not to get any of the effects we've been talking about. Tele and '51 style P bases didn't have any switches. You can get almost the same effect of tone-circuit bypass, by leaving your tone control cranked and using a no-load pot for volume--if you want it. But on further thought you may not even want that. Your SC pup will have a bit more high end already than a split p-bass or HB pickup. No load/tone stack bypass may be overkill. If you want to add a tone cap, you can always do it with a push pull.

I think the Esquire circuits are mostly to give a guitar a bit more twang. A lot of what you do with your hand, or foam, or tone pots on a bass is to get rid of some twang ;-)