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Old 3rd October 2003, 03:25 PM   #1
Vikash is offline Vikash  United Kingdom
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Default Nuts and bolts for binding posts

Just skimmed through an awesome thread on DIY binding posts, but I don't have the energy to make something that complicated for this project.

Since it's cheap to get hold of galvanised steel nuts and bolts, I was thinking along the lines of using a large diameter bolt and three nuts per post, with a hole cut through the bolt to insert bare wire into.

Any problems?. In particular, is galvanised steel ok for this job, or is there significant drawbacks over copper or those normal binding posts?
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Old 3rd October 2003, 03:40 PM   #2
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I dont know that zinc, or galvanized steel, would be all that ideal for audio.

It shouldn’t be too difficult to at least find brass hardware from hardware, plumbing, or boat supply stores.

You didn’t like the welding connectors?
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Old 3rd October 2003, 03:48 PM   #3
HDTVman is offline HDTVman  United States
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I agree. At least go for brass. You can get into dissimilar metals problems with zinc/copper interface. Brass will still have the problem but to a MUCH lessor degree.

Later
BZ
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Old 3rd October 2003, 03:55 PM   #4
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Galvanized steel would be a poor choice for a conductor. It's magnetic, the resistance is at least an order of magnitude higher then copper. I'd go with brass or better yet threaded copper rod.
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Old 3rd October 2003, 04:22 PM   #5
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Cam-Lok welding conectors by Crouse-Hinds:
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Old 3rd October 2003, 05:09 PM   #6
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Can I put in a plug (ha ha) for Speakon connectors here?

They're airtight and they don't rattle, they allow biwiring as standard, they have very generous current ratings, they have proper materials for the contacts and they allow very easy swapping between amps, cables and speakers when you're A/B testing.

I wouldn't use steel, particularly if you're joining it to copper and passing a current through it. One side or other's going to corrode horrendously.

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IH
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Old 4th October 2003, 04:23 AM   #7
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Speakon = TEH AWESOME

Speakon = TEH EXPENSIVE
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Old 4th October 2003, 04:50 AM   #8
haldor is offline haldor  United States
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Quote:
Originally posted by Nappylady
Speakon = TEH AWESOME

Speakon = TEH EXPENSIVE
The're not bad. About $5 to $8 US each in small quantities.

They also lock into place and will take to a #12 wire. I use them on all my PRO aspeaker level connections. Much better than a 1/4" phono jack. You've got to wonder what idiot came up with the idea of using a connector that shorts the amp every time you plug or unplug the speaker.

Phil
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Old 4th October 2003, 06:13 PM   #9
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You hit the nail on the head with the 1/4" connectors... I will NEVER use them on any of my speakers!

I've been using, thus far, Radio Shack binding posts with singular Cat5 cables. My dad and I have some plans to build and use small vices of copper, to secure speaker cables. When we'll actually get around to building them is another story...

(hijack) Anyone know where to get stranded Cat5 instead of solid? I'm always afraid I'm going to break the solid stuff.... (/hijack)
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Old 4th October 2003, 06:19 PM   #10
Variac is online now Variac  United States
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But the solid stuff is the good stuff! That's why people use CAT 5
for audio!


BAck on topic: : hardware stores have some copper bolts in the electrical section by circuit breakers. These are for use to connect to the grounding of the house system. Also some cool copper clamps, but too big for amp cable use.
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