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Author Topic: Mojo Volume Pot dead  (Read 6803 times)

Offline Patzag

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Mojo Volume Pot dead
« on: April 08, 2010, 06:14:46 PM »
I know this subject has come up before, but short of taking my guitar apart and breaking out calipers, does anyone have the correct specs for the volume pot in a Mojo.  Mine not has a terminal case of dropouts.
Thanks!
Patrick
Teal Fly Classic 1998 / White Deluxe Hard Tail 1994 /Axe FX III

Mojo Volume Pot dead

Offline 908ssp

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« Reply #1 on: April 08, 2010, 07:56:15 PM »
quote:
Originally posted by Patzag

.... Mine not has a terminal case of dropouts.
....


What does that mean? [:I][:D][;)]


They are the typical guitar pot found at most music shops with an Allparts display. 500k short shaft.
« Last Edit: April 08, 2010, 07:57:07 PM by 908ssp »
Alex

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Offline Patzag

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« Reply #2 on: April 08, 2010, 08:00:50 PM »
quote:
Originally posted by 908ssp

quote:
Originally posted by Patzag

.... Mine not has a terminal case of dropouts.
....


What does that mean? [:I][:D][;)]


They are the typical guitar pot found at most music shops with an Allparts display. 500k short shaft.

Alex




The trace on the pot is bad and results in uneven jumps in volume.  I use my volume pot a lot and it got progressively worse. First scratchy then scratchy and uneven.

Thanks for the spec.

BTW, the Mojo volume pot is 250K.

Patrick
Teal Fly Classic 1998 / White Deluxe Hard Tail 1994 /Axe FX III

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Offline Paul Marossy

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« Reply #3 on: April 08, 2010, 08:54:55 PM »
quote:
Originally posted by Patzag
BTW, the Mojo volume pot is 250K.



Really? That's a bit unusual for use with humbuckers.

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Offline 908ssp

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« Reply #4 on: April 08, 2010, 10:27:46 PM »
And results in the tone being darker and muddier than typical for that pickup. I couldn't change mine fast enough.
Alex

[IMG]http://i146.photobucket.com/albums/r245/908ssp/ThumbNails/_1010802.jpg[/IMG

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Offline wkcchampion

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Mojo Volume Pot dead
« Reply #5 on: April 09, 2010, 05:29:28 AM »
quote:
Originally posted by Paul Marossy

quote:
Originally posted by Patzag
BTW, the Mojo volume pot is 250K.



Really? That's a bit unusual for use with humbuckers.



Well BM's guitar has a 220k ohm pot. And he uses his Burns Trisonics in series... Strange uh?

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Pearl White 2008 Fly Mojo :)
"Eldy" / Majik Blue 1995 Fly Deluxe (Gen1 Di Marzio PUs)
POD X3 Pro
VOX AC30CC2X modded
Marshall JMP-1 + EL34 50/50
Palmer PDI-03
(more gear on my website)

"I haven't got a 1968 Plexi, but.. I've got 1968 Rayban Aviators! :)"
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"Eldy" / Majik Blue 1995 Fly Deluxe (Gen1 PUs)
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Offline Patzag

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« Reply #6 on: April 09, 2010, 03:20:20 PM »
Anyone try the 300K - Gibson-style - pot?  
I kinda like the Jazz with the 250K but it is a bit muddy in the low-low end.  But I get a pretty decent jazzy tone out of it that way, and in split mode the single coil is not too shrill.
Patrick
Teal Fly Classic 1998 / White Deluxe Hard Tail 1994 /Axe FX III

Mojo Volume Pot dead

Offline 908ssp

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« Reply #7 on: April 09, 2010, 05:14:06 PM »
250k-300k not enough change to really notice the difference even the 500k is hard to hear. I tried a 1000k at one point but decided instead to put a cap on my volume pot to let extra treble through when I turn down the volume. Now my guitars don't loose treble as the volume turns down they just clean up.
Alex

[IMG]http://i146.photobucket.com/albums/r245/908ssp/ThumbNails/_1010802.jpg[/IMG

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Offline Paul Marossy

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« Reply #8 on: April 09, 2010, 10:30:48 PM »
quote:
Originally posted by 908ssp

And results in the tone being darker and muddier than typical for that pickup. I couldn't change mine fast enough.


Yeah, not surprising to hear that. Maybe they thought it sounded too bright and used a lower value pot to try and tone it down some?

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Offline 908ssp

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« Reply #9 on: April 09, 2010, 11:23:09 PM »
I suspect you're probably right with all the complaints about Fly's being too bright they wanted to make sure that the Mojo wasn't. Also I have heard that Duncan recommends a 250k volume pot for the JB. The JB has a reputation for being a bright pickup which would be an odd choice for a Fly but it is also a popular pickup with a great deal of name recognition. For whatever reason I never did get the JB to sound the way I wanted but my hybrid JB/Distortion sounds amazing open lush fat and clear.
Alex

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Offline wkcchampion

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« Reply #10 on: April 10, 2010, 01:57:22 AM »
Any clips of that Alex?

---------
Marco
http://pregnosplatter.altervista.org

Pearl White 2008 Fly Mojo :)
"Eldy" / Majik Blue 1995 Fly Deluxe (Gen1 Di Marzio PUs)
POD X3 Pro
VOX AC30CC2X modded
Marshall JMP-1 + EL34 50/50
Palmer PDI-03
(more gear on my website)

"I haven't got a 1968 Plexi, but.. I've got 1968 Rayban Aviators! :)"
---------
Marco

My Fly bridge setup guide:
https://drive.google.com/file/d/0B-bURNmuDq2-a0VPd3lPZldwVmc/view?usp=sharing

Pearl White 2008 Fly Mojo (Fralin PUs)
"Eldy" / Majik Blue 1995 Fly Deluxe (Gen1 PUs)
Various vintage and modern Marshall/Vox/Laney amps
Rockman + other rack stuff
Boss GT-100

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Offline Paul Marossy

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« Reply #11 on: April 10, 2010, 09:49:38 AM »
quote:
Originally posted by 908ssp

Also I have heard that Duncan recommends a 250k volume pot for the JB. The JB has a reputation for being a bright pickup which would be an odd choice for a Fly but it is also a popular pickup with a great deal of name recognition.


Generally speaking, I think that there may be some confusion about the value of the volume pot that should be used. The wiring diagram for the JB Jr, which is a single coil sized version of the JB, indicates a 250K volume pot - http://www.seymourduncan.com/images/products/electric/stratocaster/501015-100.pdf , but I don't know if that also applies to the full size version. I can't find anything that specifically applies to the full size version, but there is this generic diagram which shows a 500K volume pot - http://www.seymourduncan.com/support/wiring-diagrams/schematics.php?schematic=2h_1v_1t_3w_1pp .

For the JB Jr model, it seems that they went with 250K volume and tone pots in keeping with what is traditionally used with single coil pickups. I wonder if people think this also applies to the full size model when it might not?

In any case, it's really a personal preference thing. Some people like the 250K and others don't.

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« Last Edit: April 10, 2010, 10:31:57 AM by Paul Marossy »

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Offline Patzag

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« Reply #12 on: May 09, 2010, 08:14:40 PM »
I have now had the chance to try all values. I got some pots and tried 250, 300 and 500k. The 500 was shrill and "pointy". I hated the tone. I left it in for a week and had to turn the tone pot down at all times.
I put a 300 and liked the tone. But the part itself felt cheap. I had also bought a fairly pricey 250k pot from bourns and put that in and found bliss again. My mojo was back with great tone again.
250K is definitely the winner for me. By far!
Patrick
Teal Fly Classic 1998 / White Deluxe Hard Tail 1994 /Axe FX III

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Offline Noodler

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« Reply #13 on: May 09, 2010, 09:58:12 PM »
Not sure how I missed this thread initially, but the wiring diagrams for the Fly Mojo and the Fly Mojo Single Cut sent to me from Parker show 250K pots for both volume and tone.  I was really surprised since most humbucker equipped guitars use 500K and questioned them on it, but they assured me that through their testing with the Jazz/JB pickup setup that the 250K pots sounded best.

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Offline Paul Marossy

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« Reply #14 on: May 09, 2010, 10:08:43 PM »
quote:
Originally posted by Noodler

Not sure how I missed this thread initially, but the wiring diagrams for the Fly Mojo and the Fly Mojo Single Cut sent to me from Parker show 250K pots for both volume and tone.  I was really surprised since most humbucker equipped guitars use 500K and questioned them on it, but they assured me that through their testing with the Jazz/JB pickup setup that the 250K pots sounded best.


My guess is still that they probably went with those values because a 500K made the guitar sound too bright. If the shoe fits... [;)]

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