Speaker Cable from head to cab

may be cause doom monkering does seldom work in pratice like it does on a magic table round?
Honestly, its never a good idea to power a cab with an instrument cable cause the cable capacitance may cause instability with some amps. Melting the cable insulation might be an issue if an high powerful amplifier shall power a cab in the range of 1..2kWatt
It's not "never a good idea" - it's a patently bad idea.
 
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Two copper wires in a jacket is all you need.
preferably a slightly large diameter, like 14 AWG


It's milliamps, but it's current.

I think I've read that it's nanoAmps actually, but there is current flow.
Never actually measured any, but I was researching it recently to determine if there was an advantage wiring pickups in series/parallel vs. parallel/series. (double humbuckers)
 
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Not generated by pickups.
It requires a battery, power supply or generator ( there are a few other ways to make current too).

Shall I post this again?

“A magnetic pickup is a transducer (specifically a variable reluctance sensor) that consists of a permanent magnet with a core of material such as alnico or ferrite, wrapped with a coil of several thousand turns of fine enameled copper wire. ... The permanent magnet creates a magnetic field; the motion of the vibrating steel strings disturbs the field, changing magnetic flux and inducing an electric current through the coil."
 
There are two possible reasons why a pickup might not generate current

A) the pickup coil is not wired to a load
B) the pickup coil is broken


Without generated current there was no voltage drop along the amplifier input resistance (typical 1MOhm for MI amplifiers) thus without current there was no sound.
A pickup is not designed to generate current.
 
Using a patch cable for speaker signals is like trying to drink a milkshake through a coffee stirrer.

Among the many advantages of Speakon is the fact that it is visually distinct from all of your other patch cables.
So even if it's only Speakon on one end, it still clear that it's a speaker cable.

In manufacturing, that is called a poka yoke, or error-proofing measure.

I once made long speaker cables by using the wire out of 2-conductor extension cord.
I briefly considered leaving the male and female plugs on either end so that I could use standard extension cables as speaker extension cables.

Then I thought about the many ways that attaching those cables to the wrong thing could go wrong, and how HORRIBLY it could go wrong, and I reconsidered....quickly.

As a result, you may have noticed that I'm still alive today.

Bottom line, you HAVE TO use the right speaker cable.