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help sourcing binding post
help sourcing binding post
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Old 3rd December 2020, 12:43 AM   #1
ultrachrome is online now ultrachrome  United States
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Default help sourcing binding post

I have an old Topward DC power supply that has some broken binding posts.

I'm looking for help sourcing a suitable replacement.

The shaft is 10-32 and approx 1-9/16" long. It need to be this long as it passes through two PCBs that are spaced 1/4" apart. 1-7/16" is the minimum length that would work.

Thanks.
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Old 3rd December 2020, 01:17 AM   #2
rayma is online now rayma  United States
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Sounds like you need a speaker style binding post. There are many to look at.

Last edited by rayma; 3rd December 2020 at 01:24 AM.
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Old 3rd December 2020, 01:29 AM   #3
ultrachrome is online now ultrachrome  United States
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I've looked but the few I've found that are long enough are metric with a larger diameter shaft. I really need 10-32 as the 1/4" spacer between the PCBs that the stud must pass through is threaded.

Wondering about just buying 10-32 threaded brass rod. I can probably live without banana compatibility.

Was hoping someone could identify the manufacturer by the knob style. I've not come across this style in my image searches.
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Old 3rd December 2020, 01:34 AM   #4
rayma is online now rayma  United States
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The 10-32 brass rod stock (or bolts) are easy to get.

Can you replace the threaded spacer with a clearance spacer?

Last edited by rayma; 3rd December 2020 at 01:38 AM.
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Old 3rd December 2020, 02:05 AM   #5
ultrachrome is online now ultrachrome  United States
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I'd have to de-solder and remove all 8 binding posts which would be time consuming.

However, of all the speaker binding posts I've found, I'd have to enlarge the PCB pads through which the posts pass through which seems like a risky plan.
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Old 3rd December 2020, 02:07 AM   #6
rayma is online now rayma  United States
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Yes, I'd go with the 10-32 rod stock, if workable.
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Old 3rd December 2020, 02:31 AM   #7
Enzo is offline Enzo  United States
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Can you not enlarge the holes for the larger metric shaft newer ones?
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Old 3rd December 2020, 06:50 AM   #8
myleftear is offline myleftear  Switzerland
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help sourcing binding post
024-2010 ELMA binding posts 2099004589
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Old 3rd December 2020, 11:12 PM   #9
ultrachrome is online now ultrachrome  United States
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Quote:
Originally Posted by myleftear View Post
Hadn't looked at that vendor yet but these have two strikes: too short, and metric.

Decided to order some 10-32 threaded brass rod and 1" threaded coupler from Mcmaster.

The standoff can double as a banana jack or I can even thread in a binding post.
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