Hi all, I'm about to start a tube amp build using point to wiring. I'm a novice so I researched different soldering technique. I understand establishing a good mechanical contact between wires is the way to go before the solder is applied. IOW, the solder should not be the primary signal conductor. However, I've seen people twisting the two wires together allowing multiple mechanical contacts before soldering, while other use a single point contact. Can anyone tell me if the sound is affected by the type of mechanical contact or contacts? Any other good alternative (soldering or other method) to get best sound? Thanks.
Good mechanical contact before soldering leads to reliability, but it is unlikely to affect sound either way if the soldered joint is good.
Unless you do a really bad job, the sound won't be affected one way or another.
What can be affected is reliability - a well constructed joint will serve you well forever.
See page 80 onwards of http://www.hq.nasa.gov/office/codeq/doctree/87394.pdf for an excellent guide to cable splicing - if it's good enough for NASA, it's good enough for your amp ;o)
And for 2 conductor I use an offset lap splice so 1 heat shrink covers both splices. Offset I use is 2 length of the lap meaning 2-2.5 inches for 2 conductors with 1/2" lap. It looks better than multiple shrink layers.
I used lash splices with heat shrink for the 240 Volt feed into the the oven replacement a few years ago.
G²
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