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Re: re[2]: Cables have direction/direction my ass
You're a smart man Dean.
Mark
On Thursday, March 28, 2002, at 09:58 AM, Dean Stiglitz wrote:
> i'm no electronics whiz, but correct me if i'm wrong here:
>
> when a guitar string is vibrating (oscilating), the "signal"
> (electrical current) swings back and forth between positive and
> negative...the positive and negative may not be exact mirror images of
> each other, but very, very close. the result at the end of the chain
> is a speaker diaphram oscillating inward and outward in correspondence
> to the vibrating string (save for any fx or processing in between).
> there is never a flow of current leaving the guitar pickup that is not
> compensated for by an equal, opposite current (at least when averaged
> over time)....the speaker cone does not walk across the floor.
>
> the illustration would be more like holding a streched out slinky in
> both hands...moving one hand will cause a "wave" that goes to the other
> hand, and then bounces back to the source...as opposed to having a ball
> of string in one hand and feeding it to the other hand.
>
> since the flow of electrons is bidirectional, and the negative current
> affects the sound just as much as the positive current, i can't imagine
> any reason that an electrical cable would have a directional bias...if
> it's more effecient, distortion free, or magical in one direction, when
> the flow of electrons is reversed (when the string goes to the other
> side of the pickup), it would follow that the extra directional "magic"
> would not be applied. if you reversed the cable, the benifits of the
> directional cable would still apply to the signal in an equal way (as
> the neg part of the waveform is not discarded, but vibrates the air in
> the opposite direction).
>
> i could imagine that there might be differances in cable direction with
> a dc current (is spidf a dc current...i think so...that might explain
> the audiophile analysis provided).
>
> deknow
>