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Discussion in 'Trumpet Repair and Modification' started by Anthony7500, Jan 4, 2018.
I think it would be very difficult to use a soldering iron to solder anything on a trumpet.
... and you would be right.
I use a little butane torch
I assume when we say flux we are meaning an acid flux?
A couple of things about soldering. First- the area you want to solder together must be CLEAN. Figure out exactly where you want the solder to flow and use fine sand paper to clean it thoroughly. Apply the flux to the surfaces you want to solder. DON'T USE TOO MUCH SOLDER! The solder will run easily through the section that you cleaned and fluxed. If the flux runs out of that area, the solder probably will too.
I'm not sure what other people do, but I usually use a very soft binding with to hold the parts to be soldered together. You must be very careful not to damage the surface of the horn with the wire.
Like others have said, heat the metal and let it melt the solder. Use the minimum amount of solder necessary.
A good solder job looks like it is original equipment.