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FDP Forum / Guitar Mods, Repairs, and Projects / Odd Tone Knob Behavior on Strat

Chris-K

MD, USA

Jan 16th, 2018 03:26 PM   Edit   Profile   Print Topic   Search Topic

The tone control of my deluxe HSS Strat doesn't behave like that of my other Strats.

FYI, the HSS Strat has two Vintage Noiseless pickups and a Twin Head humbucker. It uses a 250k volume pot and two 1M tone pot.

The HSS Strat's tone knobs hardly affect the tone at 10 - 4 but abruptly roll down the highs at 3 or below. My other Strat's tone knobs gradually affect the tone from 10 to 0. What is going on with the HSS Strat?

Leftee
Contributing Member
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VA

Life makes a man tired.
Jan 16th, 2018 03:28 PM   Edit   Profile   Print Topic   Search Topic

Sounds like lefty taper tone pots.

Chris-K

MD, USA

Jan 16th, 2018 04:15 PM   Edit   Profile   Print Topic   Search Topic

Why would Fender use reverse taper tone pots?

Leftee
Contributing Member
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VA

Life makes a man tired.
Jan 16th, 2018 04:22 PM   Edit   Profile   Print Topic   Search Topic

Us lefties wish they would in our guitars. Instead they wire righty taper pots lefty. This yields the problem you mention.

They do this on their cheaper guitars. The MIA Strat I had was wired righty. And that’s fine because it’s how I end up wiring all my guitars any ways.

Chris-K

MD, USA

Jan 16th, 2018 04:35 PM   Edit   Profile   Print Topic   Search Topic

So are you saying that somebody at the Fender factory might have made a mistake by using lefty pots on this particular guitar?

No big deal. I can always install the right tone pots later.

Leftee
Contributing Member
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VA

Life makes a man tired.
Jan 16th, 2018 05:24 PM   Edit   Profile   Print Topic   Search Topic

Well, I don’t know. But that pot behavior is very well
Known to us lefties.

A real expert will stop by soon, I’m sure. 😊

Leftee
Contributing Member
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VA

Life makes a man tired.
Jan 16th, 2018 06:07 PM   Edit   Profile   Print Topic   Search Topic

It could be they’re linear taper. I think you can use those for
volume but not tone. I might have that backwards.

I’m just pretending. Knowledgeable help will arrive eventually.

Cal-Woody

USA/California

Why do I keep fixing things that work?
Jan 16th, 2018 06:45 PM   Edit   Profile   Print Topic   Search Topic

You could hook up a VOM and first: check the value of the potentiometer, second: while checking the pot value, you can see the sweep of the pot and when the value starts to change. You may have to unsolder the pot to get the correct value and total sweep characteristics, but it may show you physically when the value changes.
Although you have to disconnect the pot from the circuit, you would have to do this anyway because it may need replacement. Have a known good or new pot of the same value ready to install, but this method is the best way to ensure that all the components are of good quality and are performing as expected.
Best regards, Woody

Chris-K

MD, USA

Jan 16th, 2018 07:20 PM   Edit   Profile   Print Topic   Search Topic

Both 1 Meg tone knobs behave identically. So I doubt they are malfunctioning.

It is possible that Fender mistakenly used a batch of odd pots on 2017 deluxe HSS Strats.

rockstar_not

USA

Thank God for guitars!
Jan 22nd, 2018 10:00 PM   Edit   Profile   Print Topic   Search Topic

I'm having this issue with a harness from GuitarFetish. Tone knobs are more 'switches' for tone than continuously variable. Muted tone at zero, then nearly instant switchover to full bright tone at about 1.5-2.

FDP Forum / Guitar Mods, Repairs, and Projects / Odd Tone Knob Behavior on Strat




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