How to Solder a Brass Trumpet

Written by jessemcbee
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How to Solder a Brass Trumpet
Trumpets can be easily repaired by someone skilled at using solder. (trumpet image by Pefkos from Fotolia.com)

Trumpets can be easy to damage, and the solder holding the braces of the instrument together can easily deteriorate over time and cause the bracing to fall off. This is a simple problem to fix if you have skill soldering and access to a soldering gun. With the appropriate tools and a bit of practice, you can successfully repair your instrument to a fully functional state and with no cosmetic damage.

Skill level:
Easy

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Things you need

  • Scrub sponge
  • Liquid flux
  • Soldering gun
  • Soft solder

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Instructions

  1. 1

    Clean the surface to be soldered. Use an abrasive scrub brush to remove any old solder from the braces and trumpet. Avoid damaging the finish if the instrument is plated or lacquered. In addition, avoid scrubbing beyond the old solder, which could cause metal to be removed from the instrument.

  2. 2

    Apply a liquid flux to the surface that that you want soldered. This will help clean the surface and prevent oxidation.

  3. 3

    Warm the soldering gun. After it has fully warmed, apply solder to the tip of the soldering gun.

  4. 4

    Place the pieces to be soldered in place and apply a soft solder to the necessary pieces. Be sure to avoid allowing excess solder from dripping onto the finish.

  5. 5

    Remove any excess solder with the scrub brush, again being careful not to buff any brass off the instrument.

Tips and warnings

  • Always be careful when working with hot tools, such as a soldering gun.
  • Lead is present in most solders, so avoid direct skin contact.

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