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Post subject: TBX tone pot on a Fender Precision Bass?
Posted: Sun Oct 18, 2009 4:53 am
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I really like what the Fender TBX tone circuit does for the bridge pickups on my two Fender American Strats.Would the same DBX tone pot work with my Fender Precision bass?If not,does Fender offer something simlilar for basses?Thank you.


Ed


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Post subject: Re: TBX tone pot on a Fender Precision Bass?
Posted: Sun Oct 18, 2009 6:54 am
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EdMan57 wrote:
I really like what the Fender TBX tone circuit does for the bridge pickups on my two Fender American Strats.Would the same DBX tone pot work with my Fender Precision bass?If not,does Fender offer something simlilar for basses?Thank you.


Ed


Welcome, Ed.

Sparing you all the technical details, a TBX pot caters to bringing higher frequencies into prominence in a circuit at the expense of the mids and lows. Are you sure this is what you want in your bass?

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Post subject: Re: TBX tone pot on a Fender Precision Bass?
Posted: Sun Oct 18, 2009 7:17 am
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Martian wrote:
EdMan57 wrote:
I really like what the Fender TBX tone circuit does for the bridge pickups on my two Fender American Strats.Would the same DBX tone pot work with my Fender Precision bass?If not,does Fender offer something simlilar for basses?Thank you.


Ed


Welcome, Ed.

Sparing you all the technical details, a TBX pot caters to bringing higher frequencies into prominence in a circuit at the expense of the mids and lows. Are you sure this is what you want in your bass?


Thanks,I appreciate the welcome.I like how the TBX pot on 5 is basically flat and rolls off highs from 5 down to 0.I believe that the pot on 10 is total bypassing of the tone circuit,though I may be wrong.Anyways,after my original post,I did some Google searching and found out a few Fender P-bass instrument have offered the TBX tone circuit.I believe that one present day model being the Duff guy of GnR P-bass.Also some older Fender Elite bass models,as well.Btw,do you know the difference between the TBX and Delta Tone circuits?

Ed


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Post subject: Re: TBX tone pot on a Fender Precision Bass?
Posted: Sun Oct 18, 2009 8:10 am
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EdMan57 wrote:
Thanks,I appreciate the welcome.I like how the TBX pot on 5 is basically flat and rolls off highs from 5 down to 0.I believe that the pot on 10 is total bypassing of the tone circuit,though I may be wrong.Anyways,after my original post,I did some Google searching and found out a few Fender P-bass instrument have offered the TBX tone circuit.I believe that one present day model being the Duff guy of GnR P-bass.Also some older Fender Elite bass models,as well.Btw,do you know the difference between the TBX and Delta Tone circuits?

Ed


Briefly: The TBX pot is a ganged (stacked) pot. In other words, there are two pots on one shaft. From '0" to '5', the 'normal' pot of the two functions as any pot would from '0' to '10' in a normal guitar's circuit. When the 'specialty' pot, the one which kicks in from '6' to '10' is engaged, it, in conjunction with a resistor, squeezes any additional trebles available through the circuit. Or to put it another way, it tricks the circuit into seeing a no-load condition on '10' (meaning, no resistance from a tone pot at all) and consequently, the circuit will be at its brightest tonally with of course, whatever load the volume pot induces on the circuit.

A Delta Tone Circuit is one where instead of a TBX pot, there is a single, non-ganged pot where the pot functions normally from '0' to '9' as any standard pot would. Once turned to 10, the pot has been internally altered to where there the pot has literally taken itself out of the circuit, resistance load and all. Hence, this pot is simply called, a, "No-load pot".

The end result with either the TBX or the No-load pot being on '10' is virtually the same.

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Post subject:
Posted: Sun Oct 18, 2009 8:42 am
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Thanks,Martian!I appreciate your time and input.


Ed


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Post subject:
Posted: Sun Oct 18, 2009 8:47 am
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EdMan57 wrote:
Thanks,Martian!I appreciate your time and input.


Ed


Anytime!

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Post subject:
Posted: Sun Oct 18, 2009 7:49 pm
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I have a no-load pot in my jazz bass, and although the difference is subtle it is still noticeable. However don't expect there to be a drastic increase in treble.


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Post subject:
Posted: Sun Oct 18, 2009 8:19 pm
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You can make any tone pot a NO LOAD POT using directions HERE: http://www.projectguitar.com/tut/pots.htm

Or you can just buy one from one of the guitar parts suppliers.


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