03-17-2007, 08:59 PM
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#1 |
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Admiral
  
Join Date: Mar 2001
Location: Utah
Posts: 5,420
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Wiring question (fun Paint pictures inside!)
Hardware related question - soldering/connecting wire.
I'm trying to connect speaker wire between the inside of my sub box's terminals and the sub (doesn't really matter what the application is, wiring is universal). Here's what the inside of the terminal looks like:  I can thread the speaker wire through, but is there any option other than soldering to hold it in place? If soldering is the only option, do you just tin the heck out of it from all angles? Also, when dealing with speaker wire, it comes as double strand. If I want to wire my voice coils in series, was I right to cut off a piece, and just use one strand to connect the negative of one terminal to the positive of the other, then use the double strand full piece to connect the other two? 
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03-19-2007, 01:23 PM
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Commander
 
Join Date: Jul 2000
Location: Middle Earth
Posts: 1,367
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Quote:
Is this a commercial, retail sub? Are you sure that there isn't some sort of adaptor that is supposed to go with that? Other than soldering, the only other suggestion I might have is a machine screw of exactly the right diameter. Even though the hole is square, you might be able to find a metric or English screw that you could wrap the wire around, then thread into the hole. Quote:
Your logic seems correct, but why on earth would you want your speakers in series? This will cause a small delay between the two. Parallel would make a lot more sense than series.
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"eh, take your opinion and shove it... somewhere else other than this thread" ~ welfareloser |
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03-19-2007, 02:33 PM
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#3 |
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Chief of Naval Operations
 
Join Date: Aug 2002
Location: San Diego
Posts: 10,086
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Clever with the screw solution. If you are definitely going to use solder I would solder along side the plate as if there weren't a hole at all.
That is indeed how you wire in series but make sure you are considering impedances of the speaker and the amp. I agree with the above delay warning. You may want to splice the two wires and connect parallely. Last edited by InfiniteNothing : 03-19-2007 at 02:38 PM. |
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03-19-2007, 04:46 PM
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Admiral
Join Date: Mar 2001
Location: Utah
Posts: 5,420
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Ever heard of "quick disconnects"? Someone just informed me about them... looks like they're exactly what is needed, eh?
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EDIT: Oops, I didn't originally specify I only have one speaker with dual voice coils. Last edited by ski : 03-19-2007 at 06:12 PM. |
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03-19-2007, 05:29 PM
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#5 |
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Chief of Naval Operations
Join Date: Aug 2002
Location: San Diego
Posts: 10,086
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Oh yeah. That's what you need if your spades are kind of rounded at the end. You can pick em up at an autopart stores.
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03-20-2007, 02:09 PM
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Secretary of the Navy
 
Join Date: Feb 2001
Location: Chillin' N Da 'Hood
Posts: 34,997
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Quote:
 Yup...  Quote:
Additional confirmation here...  http://www.bcae1.com/spkrmlti.htm
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03-20-2007, 09:18 PM
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aka the keg killer
Join Date: Dec 2002
Location: Ala-effin'-bama!
Posts: 2,738
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Don't use cheap crimp-on terminal ends - find an electronics supply house and get some that crimp AND solder.
I thought you were an EE major... Anyway, more info here: http://the12volt.com/
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"The price of progress is trouble." (C. F. "Boss" Kettering) "50% of the American public has below-average intelligence. 70% of the American public now has regular access to the Internet. Do the math." (unknown) |
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03-20-2007, 10:08 PM
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Chief of Naval Operations
Join Date: May 2000
Location: LEVITTOWN< PA> USA
Posts: 13,621
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Quote:
I totally agree. There are some crappy cheap terminal ends out there. I bought some from Autozone and couldn't believe how flimsy they were. And when they are enclosed in plastic, it is difficult to tell if you have crimped it correctly. So adding solder is the best insurance against a crummy connection. Also, the spade and the connector can be loose, especially in cheap terminals, although it's not as critical in stationary applications as it is in vehicles. Last edited by johnnymk : 03-20-2007 at 10:12 PM. |
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03-20-2007, 11:03 PM
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Admiral
Join Date: Jan 2003
Location: You could pick up Lindsay Lohan for less than a intel 990x, and still have money left over to bail her outta jail
Posts: 5,029
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Quote:
if i were you i go out and buy some good terminal Crimpers .like these made by kline  they or ones by greenlee can be found at home depot or lowes in there eletrical departments ! dont cheep out these will last you a life time .and save you a lot of sorrow !
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You could pick up Lindsay Lohan for less than a intel 990x, and still have money left over to bail her outta jail |
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03-22-2007, 05:36 PM
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Admiral
Join Date: Mar 2001
Location: Utah
Posts: 5,420
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Quote:
 I can explain the theory behind the electric phenomenon, but all the education takes you to is "you need continuity to carry the signal / power" (unless you specialized in electronics work).As far as where to get good quick disconnects if AutoZone is out of the question... 1) Home Depot / Lowes'? 2) Ask the amp installer if they have any (Circuit City)? 3) Radio Shack? Not sure if I even know the name of one "electronics supply house" - Fry's may be the closest thing I know of to one.  |
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03-22-2007, 07:19 PM
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#12 |
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aka the keg killer
Join Date: Dec 2002
Location: Ala-effin'-bama!
Posts: 2,738
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http://www.arcade-electronics.com/
There's probably more - I didn't do a lot of searching... |
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03-22-2007, 09:43 PM
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Admiral
Join Date: Mar 2001
Location: Utah
Posts: 5,420
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Nice, thank you -- I will give them a call this weekend.
The general question is... will a wholesaler sell you anything less than a gross of a small part? |
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03-23-2007, 07:45 AM
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#14 | |
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aka the keg killer
Join Date: Dec 2002
Location: Ala-effin'-bama!
Posts: 2,738
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Quote:
You might have to buy a bag of terminals, but certainly less than a gross. Ask them. Tell them what you're trying to accomplish (a connection potentially carrying 400 watts) and ask their recommendation for terminals and a crimper. Pages 5, 6, and 10 through 12 of this document will give you an overview on crimp/solder procedures: http://www.autoshop101.com/forms/h5.pdf Interesting blog post on terminals: http://toolmonger.com/2007/02/16/tes...imp-terminals/ Here's some terminals: http://www.grainger.com/Grainger/wwg...BaseItem=4X423 Crimping tool: http://www.grainger.com/Grainger/wwg...mId=1611598566 Grainger Supply locations: Branch: 909 435 Calvert Ave. Alexandria, VA 22301-1085 Phone: (703) 644-8500 Fax: (703) 644-8513 Branch Hours: 7:30 AM - 5:00 PM (Monday - Friday) Branch: 903 2947 Gallows Rd. Falls Church, VA 22042-1024 Phone: (703) 698-1503 Fax: (703) 644-8513 Branch Hours: 7:00 AM - 5:00 PM (Monday - Friday) Branch: 897 7400 Boston Blvd. Springfield, VA 22153-3121 Phone: (703) 644-8500 Fax: (703) 644-8513 Branch Hours: 7:00 AM - 5:00 PM (Monday - Friday) Last edited by mechmike0034 : 03-23-2007 at 08:19 AM. Reason: Added sources and other links... |
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03-23-2007, 04:17 PM
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#15 |
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Admiral
Join Date: Mar 2001
Location: Utah
Posts: 5,420
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Thank you so much. Going to drop by one of those places tomorrow. I really appreciate the research -- it's the only way I'm able to learn in the DIY process.
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