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FDP Forum / Amp Mods, Repairs, and Projects / Preferred soldering temperature



Dec 27th, 2017 12:57 PM   Edit   Profile  

Hi, just got a Weller wes51 soldering station for some amp work and would like to know a good all around temperature to dial in?
What are your preferences?

Contributing Member

Curled up

in the fecal position
Dec 27th, 2017 01:43 PM   Edit   Profile  

I run my Hakko at 600-650f for most stuff. I'm using 60/40 rosin core solder.

For heavier stuff like cap cans and soldering to the chassis, more heat won't do the trick if the stick you have is slow to recover. It's best to have something that can sink a bunch of heat into the work very fast.

Like this.

Moderator Emeritus
(with many stars)

NW Pennsylvania

Dec 27th, 2017 07:37 PM   Edit   Profile  

I run my Hakko about the same... maybe 700 for pots.

A wide chisel tip really helps for amp work.

Te 52

Laws of Physics

strictly enforced
Dec 27th, 2017 09:48 PM   Edit   Profile  

When I worked in the electronics biz, the techs always ran their WESD51s around 725-750F, and I do the same. Get on, get off, fast. For pots, I change to a wide tip and max the Weller out to 850F.

(This message was last edited by Te 52 at 12:21 PM, Dec 28th, 2017)

Contributing Member

Curled up

in the fecal position
Dec 28th, 2017 12:42 AM   Edit   Profile  

Here's a pretty good rundown on equipment and technique (link below).

Two important points about soldering sticks:

1. Never use a file or sandpaper on a new tip, because you will remove the copper tip's thin iron plating. Once that happens, the copper will corrode rather quickly and the tip will be ruined.

2. Many people use a wet sponge or wet paper towel to clean the tip between solder applications. This works, but it also sinks a lot of the heat out of the tip. It's better to use a brass sponge, because it cleans the tip without removing heat. This way the tip stays hot and it's ready to go. Solder won't stick to the brass wool, so it lasts for years. You can buy a brass wool tip-cleaning container for about $10, or you can go to your grocery store and get a brass scrubbing pad in the kitchen supplies aisle for a few bucks. Stuff a wad of it into a shot glass and you're off to the races: poke the tip of the stick into the brass once or twice and it's clean. Shake out the brass wool once in a while to keep it clean.

Big Clive walks you through the basics.


Nicoma Park, OK.

"Let the music do the talking"
Dec 28th, 2017 02:17 AM   Edit   Profile  

I worked in the electronics industry for many years, including micro-soldering.

I usually ran the tip at 800 degrees. Fast & quick.

Contributing Member

Curled up

in the fecal position
Dec 28th, 2017 12:35 PM   Edit   Profile  

If you are de-soldering with braid, you need to crank the heat up.

The temperature you use depends on how you solder (styles differ) and what you are soldering. The trick is to get in and out fast with the stick. If you leave it in place, you risk 'cooking' a component and damaging it.

I recently saw a vid where the techs weren't using hot air for re-work. They used a little halogen bulb and its heat radiation. It worked really well!

Contributing Member

Too Near Atlanta GA

Amp Tech Emeritus
Dec 29th, 2017 11:50 AM   Edit   Profile  

Also depends on the type of work being done (analog PTP tube type stuff, versus analog solid state thru hole, versus digital SMT, etc), plus the type of solder being used as well.

There is a world of knowledge to be learned and absorbed about soldering. I owe a lot to attending NASA Soldering School back in 1966 while working for Honeywell Aerospace...I thought I knew how to solder before I went there. :-)


(This message was last edited by willie at 01:51 PM, Dec 29th, 2017)



Bobby Roadrunner
Jan 2nd, 2018 06:04 AM   Edit   Profile  

I run my station at 720.I use the Brass Wool to clean. I like the Dayton 4% Silver Solder.



Jan 2nd, 2018 02:59 PM   Edit   Profile  

Thank's, will give those a try!

Contributing Member

Paris, France

It's just a guitar, not rocket science.
Jan 30th, 2018 09:10 AM   Edit   Profile  

Has anyone used tip tinner?

Soldering Tip Tinner

Te 52

Laws of Physics

strictly enforced
Jan 30th, 2018 09:39 AM   Edit   Profile  

"...Has anyone used tip tinner?..."

All the time. Plunge tip into bronze wool, wipe on wet sponge, dip in tip tinner; ready for action.

The stuff smells *horrible* when the hot iron hits it, however.

FDP Forum / Amp Mods, Repairs, and Projects / Preferred soldering temperature

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