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Solder questions. |
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bin juice24 
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Joined: 07 February 2020 Location: Here Status: Offline Points: 209 |
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 Posted: 12 April 2020 at 3:21pm |
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This is doing my head in now! I’m trying to solder two wires off one tab ( one to the driver and one to the other socket, thus parallel) and it just won’t have it. Must both wires be soldered (both +1) at the same time?
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bin juice24
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Posted: 12 April 2020 at 3:41pm |
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New tip sorted it!
Looks horrible though.
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ceharden
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Joined: 05 June 2005 Location: Southampton Status: Offline Points: 11776 |
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Posted: 12 April 2020 at 4:56pm |
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Tin both wires separately then use heatshrink to hold them together in 'shotgun' formation then solder both to the tab at once.
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jacethebase
Old Croc 
Joined: 23 September 2009 Location: Somerset Status: Offline Points: 5699 |
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Posted: 13 April 2020 at 8:45am |
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A little tip.
When you are trying to solder 2 cables on to one tab, Tin both cables separately. Then when cool, Join both cables together with PVC Electrical tape. I use PVC tape as when the outside insulation of the cable heats up the PVC tape won't damage it. Also the PVC tape comes of easily. |
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csg
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Joined: 17 September 2007 Location: bedford Status: Offline Points: 6086 |
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Posted: 13 April 2020 at 8:55am |
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I merely twist both conductors together tightly before tinning, cut to length, tin the tab, then apply heat to both when brought together. Thats worked well for me for the last 30 years
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“The fact is this is about identifying what we do best and finding more ways of doing less of it better”
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Earplug
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Joined: 03 January 2012 Location: Europe Status: Offline Points: 7216 |
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Posted: 13 April 2020 at 9:09am |
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It really sounds like your soldering iron is not generating enough heat for the job. Have you sorted out some leaded solder? It´s going to be a lot more difficult, if not impossible with the unleaded stuff. |
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Earplugs Are For Wimps!
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bin juice24
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Posted: 13 April 2020 at 9:27am |
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Thanks for all the advice guys, much appreciated.
Is this suitable? 63/37 0.8mm 50g Tin Lead Rosin Core Solder Flux Soldering Welding Iron Wire UK
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GAZ.
Old Croc
Joined: 16 January 2007 Location: Hertfordshire Status: Offline Points: 2433 |
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Posted: 13 April 2020 at 9:35am |
This is my method also. A quality iron and leaded solder will make all the difference. Soldering is a skill that takes practice, you will get good at it with time. Maybe get some old circuit boards and parts and pieces of wire to practice with. This is how I learned when I first started. |
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100% Earth Moving Bass
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csg
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Joined: 17 September 2007 Location: bedford Status: Offline Points: 6086 |
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Posted: 13 April 2020 at 9:50am |
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I had an dad that screwed brass screws in bits of old skirting board and had me wiring up basic electronic circuits by soldering between them. Kind of DIY vero board. I was 5, so i guess thats when the rot set in!
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“The fact is this is about identifying what we do best and finding more ways of doing less of it better”
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jacethebase
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Joined: 23 September 2009 Location: Somerset Status: Offline Points: 5699 |
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Posted: 13 April 2020 at 10:19am |
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Different ways, same result.
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lag
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Posted: 13 April 2020 at 4:59pm |
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If your iron is struggling to solder the two wires to the tab, you can strip back a bit more insulation from the cable than you might normally. Then twist the conductors of both cables together but leaving one of the cable lengths longer. Tin both cables. You will be left with both cables joined but one cable extending a little further and maintaining the 2.5mm (or whatever cable diameter you are using) instead of the thickness of two cables. This will make it easier to solder to the speakon... It will be like soldering a single cable to the tab - a bit easier than two! Kinda tricky to explain but this might help you.
Edited by lag - 13 April 2020 at 5:00pm |
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csg
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Posted: 13 April 2020 at 5:24pm |
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If using the method above, I would strongly advise applying heat shrink to the un-insulated area where the two conductors are twisted together.
In all honesty however, I would strongly recommend investing in a good iron. They should last a very long time indeed.
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“The fact is this is about identifying what we do best and finding more ways of doing less of it better”
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csg wrote: