Soldering - Help Needed

Re: Soldering - Help Needed

waylay00 said:
Alright, I think I will use flux on the back of the pots. I went to the local shop and asked them about it and he says if you apply a little bit of flux to the back of the pot, it will make it cleaner.

He also said to avoid the RadioShack soldering irons, but instead get a Weller. Is this true? He recommended Kester "44" solder as well. I will probably practice on some spare molex wires that I use in my computer. I have tons of them laying around, so it doesn't matter if I mess anything up.

Also, is it advisable to get an iron that you can control the amount of heat that is put out?

Like I was looking at this Weller Soldering Station - http://www.action-electronics.com/wewlc100.htm

Supposedly Weller is the best but I have a Radio Shack 40 watter with no problems.
 
Re: Soldering - Help Needed

I have never put flux on the back of my pots and they're clean and they work fine.
If you want to solder a few wires, a Radio Shack iron will do, unless you plan on soldering a lot of electric circuits in the future. The Weller will last much longer and it has different tip fonfigurations that you can switch.
I suggest you get a pair of small long nose pliers as I had suggested in another thread. You use it to hold the wires when you solder and it makes you job a lot easier.
 
Re: Soldering - Help Needed

So then it is a bad idea to use pickups that use the vintage type wire or braided wire rather than seperate wires? Interesting.
 
Re: Soldering - Help Needed

So basically here is the process I need to follow:

1. Get a wet sponge and have it handy

2. Sand the back of the pots a little bit

3. Heat up the iron

4. Apply a little flux on the back of the pot

5. Apply or "Tin" a small bead of solder to the iron

6. Apply or "Tin" a small amount of solder to the surface of the pot and to the wire that will be connected to it.

7. Hold the tinned pot and the tinned wire together

8. Hold the heated soldering iron near where the pot and the wire are touching

9. Allow the solder to begin melting and flowing together

10. Take the iron off and allow the solder to harden

Is this correct?
 
Re: Soldering - Help Needed

waylay00 said:
So basically here is the process I need to follow:

1. Get a wet sponge and have it handy

2. Sand the back of the pots a little bit

3. Heat up the iron

4. Apply a little flux on the back of the pot

5. Apply or "Tin" a small bead of solder to the iron

6. Apply or "Tin" a small amount of solder to the surface of the pot and to the wire that will be connected to it.

7. Hold the tinned pot and the tinned wire together

8. Hold the heated soldering iron near where the pot and the wire are touching

9. Allow the solder to begin melting and flowing together

10. Take the iron off and allow the solder to harden

Is this correct?


Looks good except for #8. With a teardrop of solder on it, try to put the iron on BOTH the wire and pot. When they both heat up sufficiently, the solder will run onto them.

Throw some solder on the tip from time to time as you work so it wont dry out too much.
 
Re: Soldering - Help Needed

Fritz6 said:
Looks good except for #8. With a teardrop of solder on it, try to put the iron on BOTH the wire and pot. When they both heat up sufficiently, the solder will run onto them.

Throw some solder on the tip from time to time as you work so it wont dry out too much.


Will the heat travel up the wire and hurt the pickup in any way?
 
Re: Soldering - Help Needed

papersoul said:
Octavedoctor.......what is screeening??? You lost me brother.:)
Sorry i'm british, I can't help it...

Screening is just what you wild colonial boys call shielding.

Here's a quick glossary.

Brit = American

screening/screen = shielding

earth = ground

signal = hot


those are the basic differences in terminology, i'lll try and remember to write in American next time ;)

just added one more:-

When you hear me refer to the signal and return wires, the return wire is the one coming from the other end of the coil, opposite to the signal (hot) wire which is the pickups output wire. This is normally connected to earth (ground) but i use the term to distinguish it from the screen (sheild) and earth (ground) wires because there are some circumstances when the return does not go to earth, such as in polarity switching circuits, where the signal and return wires can reverse their function, or series connections where the signal wire of one coil is linked to the return wire of another.

It's the use of terms borrowed from outside of the field of low voltage audio technology (like hot wire) or terms used incorrectly or inappropriately (like phase) that causes so much confusion for people learning the skills.

As you can see, one of the reasons i use the term screen is i can never firkin spell sheidlign!
 
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Re: Soldering - Help Needed

papersoul said:
Octavedoctor,

Is the use of that shielded wire a cheap way of making the pickup wire? I see some companies have the separate wire rather than the screening which drives me nuts having the screening. Great, now I have to worry about how I solder that screening without ruining the pickup wire...or tone? So much easier with pickups that have the separate wires to solder. Is it still best to solder this shielded wire ground to the pot casing and if so...is there a best technique?

Thanks.

It's not a cheaper way at all, it's more expensive to make but offers superior noise cancellation to separate signal and return (ground) wires, but as always there is a compromise.

Screened wire has a capacitance per unit length and the more you have of it, the bigger the capacitance the pickup coil "sees" across its output. For this reason many people feel it is preferable to have separate signal and return wires and screen the cavity instead. This is less efficient at reducing noise (although still very effective) and the capacitance effect is not such an issue.

I have never found that the use of screened cable significantly affects the sound of a pickup myself and don't hesitate to use it but others may be more sensitive than I.

Yes, the screen/shield still has to be connected to the earth circuit (pot casing)

Technique: tin the screen, tin the pot casing, use the minimum amount of heat required to acheive "wet' soldering, then bring the two tinned areas together and apply the minimum amount of heat required to cause the tinned surfaces to weld together. Tinning your soldering iron helps this...
 
Re: Soldering - Help Needed

tone said:
Will the heat travel up the wire and hurt the pickup in any way?

Shouldn't travel far enough up the wire to hurt the pickup. Just watch the solder. When it's on there, it's on there, bring the iron off the solder point, etc. As for brand of flux (other response), I'm not sure. My friend is asleep. However, it should look like a glob of fat and oil, brownish, more of a gel, but I think it's still called "paste" flux. Make sure it's for soldering and you should be just fine.
 
Re: Soldering - Help Needed

I'd also recommend doing the shielded wires thing, as opposed to shielding the cavity. Shielded wires are easier once you get the hang of soldering the shields to a ground point. And if you're using shielded wires, you shouldn't need to shield the cavities, etc, so that usually takes away a lot of work. Mine is shielded wires, no shielded cavities, and the SD pickup wires are shielded themselves (the whole bundle, that is). You shield to keep out external interference. With single coil pickups, however, I'd rather go with shielding the cavities because single coils will receive almost all interference. It's too in depth to start talking about all this here and now, but I'd just recommend buying shielded wire for doing your guitar.
 
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