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Author
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Topic: Volume Pedal "Pots"
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Bill Simmons
Member From: Keller, Texas, USA
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posted 12 September 2004 08:22 PM
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A few months ago, someone found a source for volume pedal pots for something like $7...can anyone help where to buy them at a good price? Thanks... |
Jay Ganz
Member From: Out Behind The Barn
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posted 13 September 2004 06:33 AM
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Well, I'll tell ya....just for the heck of
it I stuck in a plain old CTS 500K audio taper
pot in my Emmons pedal. It's even less than $7 & it works great. I'm sure it's not going to last as long as a military spec pot, but I can pick up a half dozen of these for the
same price as one Clarostat! |
John Daugherty
Member From: Rolla, Missouri, USA
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posted 14 September 2004 05:05 AM
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Bill, way back 40 years ago, Leo Fender was trying a new pot for the fender pedals. He put one in my fender pedal. It looked like a cheap replacement pot for consumer products. I was to call him and report on how the pot was holding up. I used that pedal for many years after that. The pot was still working when I traded the pedal off.
Also, it was not a sealed pot. You could easily squirt contact cleaner into it. |
Craig A Davidson
Member From: Wisconsin Rapids, Wisconsin USA
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posted 14 September 2004 05:59 PM
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I could use the info too. My Sho-Bud pedal needs one.------------------
1985 Emmons push-pull,Evans SE200,Hilton pedal |
Vann Cranford
Member From: Ayden, North Carolina, USA 28513-7004
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posted 15 September 2004 05:12 AM
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O.K. Guys,
Don't anyone say that I did not try to help out my fellow steel players. I ran across this several months ago on the Forum and wrote it down. The manufacturer of the pots can be reached at www.precisionelectronics.com and the pots are sold by www.digikey.com. The pot number is KA 5041 S 28 ND for $8.94. Hope that this helps![This message was edited by Vann Cranford on 15 September 2004 at 05:16 AM.] |
David Higginbotham
Member From: Lake Charles, Louisiana, USA
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posted 15 September 2004 06:15 AM
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Guys, just a word of caution when ordering these pots from an online parts supplier. The one I am referring to in this particular case is Newark Electronics. Although the prices may range $8 to $10 per pot, there is normally a minumim $25 order or an additional handling fee will apply. (Usually $5 to $10) They usually will not quote you an "up front" shipping amount either. You will not know the shipping charges until the order ships. The last time I ordered 3-pots (avoiding that handling fee) at $9.49 each the shippinq was $14.10 for a small envelope. Total of $42.57 for needing one pot!
Dave |
Brad Sarno
Member From: St. Louis, MO USA
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posted 15 September 2004 08:53 AM
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I don't think Digi-Key has those kind of fees or minimums. That PEC pot is the one that Paul Franklin Sr. has been selling for a couple of years. And now it looks like Ohmite has also put their name on the PEC pot and it's what Goodrich is now using in their volume pedals. It looks like the PEC's are pretty good. I still don't know how long they last, but they sure do have the smoothest feel and a good taper.Brad Sarno |
Robert Parent
Member From: Savage, MN
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posted 15 September 2004 09:48 AM
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Digikey small order info.. (This is from their catalog which just arrived on my desk a few minutes ago.)Part Number: KA 504 1S 28 ND for $9.39 (qty 1), $8.49 (qty 10) $5.00 handling charged to orders < $25.00. Shipping and insurance paid by customer. MN residents add 6.5% sales tax. [This message was edited by Robert Parent on 15 September 2004 at 09:53 AM.]
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Ray Uhl
Member From: Riverside, Missouri, USA
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posted 20 September 2004 11:37 PM
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I purchased a PEC from Paul Franklin, Sr. in September 03 and it got scratchy in August 04. I only used this volume pedal 4-6 hours a week. I did a extensive research, before reading the same information on the forum. The 500K audio taper should be the same, but has a slightly different feel and sound then the old AB or Clarostat. Not bad though, and about all that's available anymore at a reasonable cost. I finally broke down and bought a Hilton. Case closed. I would only buy pots, so my other pedals function. HILTON IS FOR ME. |
John Lacey
Member From: Black Diamond, Alberta, Canada
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posted 21 September 2004 05:21 AM
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Are these new Ohmite pots audio taper for sure? The PEC's I got from an electronic firm in Calgary were linear taper. |
John Daugherty
Member From: Rolla, Missouri, USA
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posted 21 September 2004 05:43 AM
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Most pots are available in logrithmic and linear taper. You must specify the part# for the log (audio)taper. |
Jay Ganz
Member From: Out Behind The Barn
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posted 21 September 2004 06:40 AM
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John,
What's confusing is the old audio taper
Ohmites were part # CA 5041. The new pots
use the same number but they're linear
taper according to some specs I read on them
awhile back. |
Jim Hinton
Member From: Phoenix, Arizona, USA
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posted 21 September 2004 08:10 AM
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What's really confusing me is the terminology regarding audio taper, log taper, and linear taper.Geez, I have been an engineering technician for over 20 years, and I have no idea which of the parts mentioned are right. Has anyone used a particular part, and know it is the "best choice". Sometimes price purchases will just cause you more grief ... am I right? |
Bob Lawrence
Member From: Lwr Sackville, Nova Scotia, Canada
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posted 21 September 2004 09:32 AM
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VARIABLE RESISTORS OR `POTS'?Variable resistors are often called potentiometers, or 'pots' for short, because they are commonly used as an adjustable voltage divider. For many years they were often called `volume controls' because another very common use was in adjusting the audio volume level produced by amplifiers, radio and TV receivers etc...
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Log taper or Audio taper? Log taper = Audio taper.
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Linear pot or Log pot? When a linear pot is used for a Volume control the volume tends to gain far too rapidly as the pot is turned up from zero,
while the rest of the pot's rotation don't seem to have much control.Just about all of the pot's useful range as a 'Volume control' seemed to be squeezed into the first 55 to 65 degrees or so of rotation, making it hard to set the right volume level. A log pot - Adjusts for the human ear's logarithmic response to sound levels.
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Pot tapers for newer equiptment:
A= Log
B= Linear Pot tapers for older equiptment: A = Linear
C= Log or audio taper
F = antilog taper ------------------
[This message was edited by Bob Lawrence on 21 September 2004 at 05:39 PM.] |
Jim Hinton
Member From: Phoenix, Arizona, USA
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posted 21 September 2004 09:55 AM
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Okay, I "get it" now. I sincerely appreciate you taking the time to explain the terminology.I replaced a pot in my Goodrich pedal sometime in the 1980's ... I expect it will probably die sometime soon. I figured this was a good chance to "learn a thing or two". Regards,
Jim |
Bob Lawrence
Member From: Lwr Sackville, Nova Scotia, Canada
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posted 21 September 2004 05:42 PM
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Jim,Anytime.  I just corrected "Pot tapers for older equiptment:" above . I had both lines "for new"  |
Les Pierce
Member From: Goliad, Texas
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posted 23 September 2004 09:15 PM
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I remember reading about one of our fellow Forumites that bought a new pot, removed the carbon block, and put it in an old pot.Needing a pot, but not having the money to buy one, I thought I'd try something simular. I took an old brush for an industrial DC motor, a hacksaw blade, and a piece of sandpaper, and made a carbon block to fit my old AB pot. It worked just fine. Who would have thunk it? Les ------------------
Strat,Tele
Dekley S-10 |
KENNY KRUPNICK
Member From: Grove City,Ohio
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posted 24 September 2004 10:17 PM
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Does Paul Franklin still sell those PEC "pots"? |
Theresa Galbraith
Member From: Goodlettsville,Tn. USA
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posted 26 September 2004 07:18 AM
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Kenny,
Yes he still sells them. They are $20.00 each plus $2.00 shipping.
I hope that helps Theresa |
Bill Simmons
Member From: Keller, Texas, USA
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posted 26 September 2004 10:14 AM
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Here's one more idea that Bill Maybille from Las Vegas emailed me . . .
"...the other day Uncle Gary told me he unfolded the little metal clasps on the pot that hold it together, shook out the black(like carbon), put it back together and it sounds like new."
[This message was edited by Bill Simmons on 26 September 2004 at 10:16 AM.] |
Don Benoit
Member From: Okanagan Falls, BC
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posted 28 September 2004 06:10 PM
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I have ben in touch with Precision Electronics (PEC)and they told me the following with respect to their 500K pots: THE HIGHLIFE IN DIGI-KEYS CATALOG IS KU5021S28-HL WHICH IS A LINEAR TAPER.
THE KA5041S28-HL IS A LOG TAPER.HL means high life and are built to military specs so they will last longer. The KA5041S28 is in DIGI-KEYS catalog but the KA5041S28-HL is not there. Al Brisco at www.steelguitarcanada.com carries the Precision Electronics pots but I am not sure if it is the High Life one. ------------------
http://www.steelguitar.ca [This message was edited by Don Benoit on 02 September 2005 at 11:18 AM.]
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Earnest Bovine
Member From: Los Angeles CA USA
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posted 23 November 2004 01:42 PM
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The PEC pot, Part # KA5041S28, is log taper as you can read on the Digi-Key site here: http://www.digikey.com/scripts/DkSearch/dksus.dll?Criteria?Ref=197746&Site=US&Cat=31982139 Now $9.39 each for quantities less than 10. |
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