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In Reply to: RE: Question about switched from stranded wire to solid core internal wire posted by SuperB on September 07, 2024 at 15:09:32
I would use the 18 gauge solid core because it will be much easier to work with than 16 gauge solid core, and the 18 will be very adequate.
Follow Ups:
Some says larger wire size such as 14AWG is necessary for the bass unit.
... are reasonably well established. One foot of 14 gauge wire, whether stranded or solid, has about 0.003 ohms of resistance, though solid may have slightly less resistance. For an 8 ohm speaker that would represent 0.04% of the circuit's total resistance (ignoring any impact of a crossover circuit).
If you use one foot of 18 gauge wire, the resistance doubles to 0.006 ohms, or now 0.08% of the circuit's resistance.
Oh, and don't forget to double the numbers since you have two runs of wire, one for positive and one for negative.
Silver wire is about 7% more conductive than copper.
Note we are talking about a speaker's internal wiring which would typically be very short distances. In terms of resistance, the crossover circuit will have far more impact if the speaker has an inductor in series with the woofer since they have a much longer length of much smaller gauge wire wound into a coil.
Stranded wire is often used for high frequency circuits, but this doesn't become an issue until one is WAY beyond audio frequencies, i.e., radio frequencies. The more common reason to choose between stranded and solid wire has more to do with flexibility and termination issues.
Or, you can take the subjectivist approach and ignore the numbers. Try wiring the speaker both ways and see which you like the best.
About 45 years ago (around 1979), my friend Dr. Richard Greiner, an AES Fellow (now deceased), did a study of various cables for loudspeakers - capacitance, inductance, and resistance, at audio frequencies. He concluded that plain old 12 gauge stranded twisted pair copper worked just fine at audio frequencies. I don't remember if he did any measurements on the various types of copper wire (oxygen-free, etc.), and I don't know if he ever published the study. I've got it around here somewhere.
As importantly, does anyone here know of any similar science-based study which has been done since then? If so, I, for one, would very much like to read it!
*********
We are inclusive and diverse, but dissent will not be tolerated.
https://www.youtube.com/watch?v=kR12Ttuxobs
Thanks! I watched the whole 17 minutes.
*********
We are inclusive and diverse, but dissent will not be tolerated.
The hardest part is finding a Radio Shack. I actually made a pair, and I temporarily loaned them to a friend that used them with Quad electrostats. He said they worked very well, and he claims he can definitely hear cable differences. He went onto Sound Lab A1 speakers driven by Audio Matiere tube electronics.
given the era. Kind of like the funny Stereo Review "Dares to Tell the Truth" article circa '83 where they compare three types of zip and concluded only gauge mattered.
Now far lower EDC cables are available that work better for my stats than zip.
Was he burned at the stake as a heretic by the Golden Eared?
Edits: 09/09/24
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