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jimb823 · **Joined:** Tue Jul 17, 2007 1:43 pm **Posts:** 2

What is the TBX system thats on some of the Strats supposed to do anyway?

cwpainter · **Posted:** Fri Jan 16, 2009 1:45 pm

TBX= treble/bass expander.

Rather than simply cutting highs (as in a standard tone pot) the TBX can either cut highs and boost lows or cut lows and boost highs.

Check out some recent Buddy Guy live recordings to get a really good idea of a Strat with a TBX circuit.

jimb823 · **Joined:** Tue Jul 17, 2007 1:43 pm **Posts:** 2

thanks, and these are the strats with the indent at the "5" position on the tone control, right?

cwpainter · **Posted:** Fri Jan 16, 2009 2:09 pm

jimb823 wrote:

thanks, and these are the strats with the indent at the "5" position on the tone control, right?

Correct, the 5 position with the detent is the 'neutral' position where neither bass nor treble is added or removed. This is where Clapton leaves his most of the time.

nikininja · **Posted:** Fri Jan 16, 2009 2:46 pm

In practice the indent position is slightly a dumbed down tone. The real 500k pot strat tone sits somewhere between 6 & 7. On 10 its piercing 1 meg pot tone. It doesnt boost anything below 5 its a regular tone pot based on the 250k pot so it emphasises bass. It certainly has its uses. I've just rediscovered my love for the tbx.

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