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Post new topic What's the latest on goodrich pots?
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Author Topic:  What's the latest on goodrich pots?
Logan Day


From:
Washington, USA
Post  Posted 16 Nov 2023 7:17 am    
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I recently purchased a used Goodrich pedal, and I'm interested in replacing the scratchy pot that came with it. Many older posts I have come across recommend the dunlop Hot Potz 2, but I have noticed the design has changed recently, with the older round model being out of stock just about everywhere. The only amazon review for the new one claims that the pot only reads at about 440k. Most folks in older posts recommend the one Tom Bradshaw is selling, but judging by the product photo it looks like he also may have switched to the newer model. Does anyone have any insight on this? Is Tom actually shipping the round model, and does he actually modify the pots from dunlop? Have you tried the new one? Have you had success with other replacement pots recently?

Thanks everyone!

The currently available 470k hot potz: https://www.amazon.com/Jim-Dunlop-ECB424A-Potz-Potentiometer/dp/B08GJSWBWD/ref=cm_cr_arp_d_product_top?ie=UTF8
Tom's offering: https://songwriter.com/bradshaw/potentiometers.php
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Jerry Overstreet


From:
Louisville Ky
Post  Posted 16 Nov 2023 7:32 am    
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I have not used the 2nd gen. Hotz Potz but I have installed a half dozen or so of the 1st gen. I suspect they are the same 470K ohm electronically, just the shape and tab config.

This most recent model looks like an improvement over the older one having the terminals moved to the more traditional config.

The older ones with the little buttons on the back were just a PITA to solder on, plus clearance from the pedal housing needed to be checked....close on my pedals.

You'd have to check with Tom, but I don't know that he does any mods to them.

Both of these models have the flat milled on the shaft which makes adjusting the pots starting/stopping position difficult.

If you check with the Goodrich folks, I believe those have a completely round shaft. Not sure about Tom's.

Overall, they work fine. I would still prefer the old AB pots but they're history, so these are what we have to work with.

The taper is slightly different on these, but once you get used to them, it's fine.
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Tom Bradshaw

 

From:
Walnut Creek, California, USA
Post  Posted 18 Nov 2023 8:23 am     My Pots
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The only difference in the original Dunlop audio-tapered pots I originally sold and the ones I now sell is the style of the soldering lugs. The older model was a bit more confusing with the "stud-projecting" soldering post model. The current pots have the more standard soldering lug configuration. The "guts" in these pots is the same and are lasting forever it seems. Good for buyers, bad for sellers! And yes, they are 470 ohms. ...Tom (tommybradshaw@gmail.com)
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Steve Hinson

 

From:
Hendersonville Tn USA
Post  Posted 19 Nov 2023 9:25 am     Re: My Pots
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Tom Bradshaw wrote:
The only difference in the original Dunlop audio-tapered pots I originally sold and the ones I now sell is the style of the soldering lugs. The older model was a bit more confusing with the "stud-projecting" soldering post model. The current pots have the more standard soldering lug configuration. The "guts" in these pots is the same and are lasting forever it seems. Good for buyers, bad for sellers! And yes, they are 470 ohms. ...Tom (tommybradshaw@gmail.com)


Tom,will these pots fit the old Emmons VP?

Thanks for all you do for us...I'm a fan!

Best,
SH
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Bob Hoffnar


From:
Austin, Tx
Post  Posted 19 Nov 2023 10:20 am    
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I'm looking forward to using those new connectors on the pots. I've toasted a few of those 3 nub ones.

It might be a while because they are showing no signs of wearing out.
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Tom Bradshaw

 

From:
Walnut Creek, California, USA
Post  Posted 19 Nov 2023 10:20 am     An Emmons Fit?
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The pots I now provide appear to fit any pedal manufactured now or in the past.

The original pots I began selling (about 20 years ago) had the soldering lugs mounted on the bottom of the pot, not in the conventional format as is the current model that I've been selling for 8 years now. In that previous iteration some Emmons pedal purchasers discovered that the location of the soldering lugs required the frames of the Emmons pedals to be filed down slightly in order for the pots to fit. It must have been an easy task since no one ever returned a pot complaining that they couldn't install it on an Emmons pedal.
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Dave Magram

 

From:
San Jose, California, USA
Post  Posted 22 Nov 2023 7:06 pm     Wiring diagram for Hot Potz II potentiometers
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The new rectangular Dunlop Hot Potz II potentiometers fit in an Emmons volume pedal better than the original round Dunlop Hot Potz potentiometers did, due to the improved angle of the soldering lugs.

However, the wiring of the new, rectangular Hot Potz II potentiometers is not the same as with the original round Hot Potz potentiometers...

I did not get good, clear instructions for wiring the rectangular Dunlop Hot Potz II potentiometers from the vendor I used and couldn't find them anywhere else, so I made a very easy-to-follow wiring diagram for these potentiometers and posted it at:
https://bb.steelguitarforum.com/viewtopic.php?p=3106741&sid=1b86e2f4ab2bfafafcde395cde61164b


And if you want to protect your new potentiometers from premature wear or breakage, here's a little DIY project that you may find useful…
How to make a travel-stop plate to protect your volume pedal potentiometer from being damaged—for less than $1.00:
https://bb.steelguitarforum.com/viewtopic.php?p=3180690#3180690

- Dave
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