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Originally Posted by I_got_a_mohawk
Is there any significant bonus in using speaker cable instead of normal instrument cable for connecting a head to a cab ?
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Yes. instrument cable is better for low voltage, low
current signals. It has an insulated center
conductor and a shield to reject electro-magnetic interference.
speaker cable is made up of two conductors and no sheild.
The only difference between speaker cable and instrument cable is the capacitance of the wire. Most amps will be able to handle it, but others, especially amps with push pull output stages (i think, paul?) will get fucked.
So its a pretty good idea not to use instrument cable as a rule.
If you use speaker cable in place of instrument cable you will get a pretty bad mains hum.