Replacing a pair of thin humbuckers with fat singles

Sep 29, 2020
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Like some other people, I've found my beautifully-made Yamaha TRBX604 a bit polite for my taste.

The Yamaha blurb says "the YGD designed H5 pickups are defined by a clean, open tone that’s perfectly matched with the flexibility of the active/passive preamp design. Their quad-polepiece design and alnico magnets give them the power to drive the active circuit and the sensitivity and subtlety to capture every nuance in passive mode."

There's no doubt that this instrument can be played very musically.

If someone wanted to replace these sophisticated humbuckers with single coil pickups that make a more obvious, upfront, characterful tone, what would be the possibilities?

I think I've just measured the pickups as being 31mm × 100mm / 1.22" × 3.94"

The preamp is 9V with a 3 band EQ whose mids control is apparently unusually low.

Here is a very musical bassist making the stock pickups sound very much at their best:

 
100 x 32mm with three mounting screws (two on one end, one on the other) is the Bartolini BC format. It's probably one of the most popular soapbar sizes for 4 (and 5) string basses. Nearly all popular makers build pickups in this size. You have tons and tons of choices.

If you are completely dead set on actual single coil pickups, that cuts the choices way down. Bartolini, Nordstrand, and a few other makers build true single coils in that format but it's not common. And if you truly want a really "in your face" tone it seems like limiting it to single coils would narrow the field quite a bit.
 
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