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FDP Forum / The 'Pup' Tent / avri strat pickups unusually bright...something wrong?

beenawhile

USA

Feb 26th, 2012 12:30 AM   Edit   Profile   Print Topic   Search Topic

Hey all,

Sorry, I posted this in the strat forum, maybe it belongs here..or in the guitar mods section, I am not sure. Anyway, I am hoping for some insight:

I have a loaded reissue pick guard that appears to be off of a AVRI 57/62 strat. I have loaded it into several strats, including my favorite, and find that it is way too bright - in all 5 positions. I play through a DRRI (already bright) and have to put the amps treble on 1 to make it work at all.


Beyond the brightness, the pickups seem good, and
I am wondering it the tone cap or some other wiring problem could be the issue?

I did check...the pots are 250K and the tone cap is .1uf. Any clues?

I am not aware that the reissue pups are known for brightness? I have CS 50s and stock delta tones to compare too and neither sound like this.

Thanks!

Cal-Woody

USA/California

Why do I keep fixing things that work?
Feb 26th, 2012 06:30 AM   Edit   Profile   Print Topic   Search Topic

I believe the tone cap to be too high in value.
It should be a .022mf cap for more bass to stay in circuit.
The higher the cap value: (IE: .10 or .047) bleed more lows to ground leaving you with only bright tones.

Peegoo
Contributing Member
**********
**********

That chicken

is WRONG, baby.
Feb 26th, 2012 10:39 AM   Edit   Profile   Print Topic   Search Topic

Generally, Strats ( and other Fender-style single-coils) use an .047uf cap.

Humbuckers (Les Paul, etc.) use a .022uf cap.

beenawhile

USA

Feb 26th, 2012 11:18 AM   Edit   Profile   Print Topic   Search Topic

My main strat likely has the .047 cap and I could be that my ear is used to that.

And I will try a new value soon and will hope for improvement.

But the part that is odd, is that the AVRI comes with .1, as did the original, and nobody complains (quite the opposite). And I have demo'd many reissue strat through similar amps and felt they were are pretty mellow.

stratcowboy
Contributing Member
*******

USA/Taos, NM

Feb 26th, 2012 02:04 PM   Edit   Profile   Print Topic   Search Topic

It's the opposite of what is claimed here--the .1 cap is the cap that will tame the highs the most. If you move to a .047, and especially a .022, you'll ramp up the highs even more.

The .1 cap is the traditional cap value from the 1950s. The .022 is what you commonly see on modern Strats (and Teles). My preference, for the way I wire my own guitars, is the .047 cap. But that's my taste.

beenawhile

USA

Feb 26th, 2012 02:25 PM   Edit   Profile   Print Topic   Search Topic

I was wondering about that....wonder if the cap could be faulty or otherwise not doing the intended job?

stratcowboy
Contributing Member
*******

USA/Taos, NM

Feb 26th, 2012 05:33 PM   Edit   Profile   Print Topic   Search Topic

That would certainly be a cheap fix to solder in a new .1 cap and see what happens.

zeedawg
Contributing Member
***

USA

Praise him with the strings
Feb 26th, 2012 08:44 PM   Edit   Profile   Print Topic   Search Topic

Starcowboy is correct here. The older Strat's/Tele's and Re-Issues usually came with a .1 cap, giving it a more dark tone. A .022 cap will make it much brighter, and is normal on most newer Fenders. So if your cap is .1 and it is bright, then try the simple step of replacing it. You can use whatever value you like, I personally use .033 on most all single coils. Also be sure it's soldered in the correct location, and has a good solder joint! You could always look at some of the wire diagrams on Fender's site for a great reference point. If you can post a close-up pic, we can see a quick check of your wiring. Sounds like simply a bad cap. Again, .1 should be pretty dark!

L.H.B.
Contributing Member
***

the joisey flats

welcome to the zoo...
Feb 27th, 2012 06:44 AM   Edit   Profile   Print Topic   Search Topic

check the actual pot value with an ohm meter. just because it says 250K doesn't mean that is what it will read. Higher pot values will be brighter than lower values because there is less load on the pickup.

beenawhile

USA

Feb 27th, 2012 01:30 PM   Edit   Profile   Print Topic   Search Topic

Problem fixed...I think. I added a .047 cap in parallel to the .1 to increase the overall capacitance and then wired the bridge pickup to the lower tone pot.

zeedawg..the wiring on this is perfect..and top notch. But I do need to buy another .1 cap to test in there. Not much selection around the house at the moment!

If nothing else, I am impressed with the tonal options. The down side, is that I am not used to playing with knobs - never had a strat that needed it.

LHB...I meant to measure the pot, but forget. Could very well be the problem. I have thought about trying a 100K pot, too.

Thanks for the suggestions!

(This message was last edited by beenawhile at 01:33 PM, Feb 27th, 2012)

zeedawg
Contributing Member
***

USA

Praise him with the strings
Feb 27th, 2012 09:30 PM   Edit   Profile   Print Topic   Search Topic

Did not mean to make it sound like your wiring was wrong, just sometimes a second set of eyes could notice a crack or bad joint. Putting the .047 in parallel probably just replaced a bad .1 you have in there now. Thats my guess, simply a bad cap. Try removing the .1, leaving the .047 in there and my guess is it will sound just like it does now.

beenawhile

USA

Feb 27th, 2012 10:26 PM   Edit   Profile   Print Topic   Search Topic

"Putting the .047 in parallel probably just replaced a bad .1 you have in there now. Thats my guess"

My guess too...I want to buy a nicer cap..all I had was a ceramic disc. When I get one I will replace the other. I'll try several values, probably starting with the stock value.

Gotta say, the person who did the wiring was really good! Super tidy. Fender USA?


FDP Forum / The 'Pup' Tent / avri strat pickups unusually bright...something wrong?




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