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In Reply to: RE: Resistors posted by pixelphoto on June 27, 2012 at 18:24:46
nt
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... there's pretty good chance that resistor is, too.
...to confirm that fact. A resistor is not polarized, nor does it act like a diode.
Documents don't help; you'll need to experience this yourself.
Cables are directional and so why are reistors not?
Definitely agreed. From my experience,fuse,capacitors,resistor,inductor, they are all sound difference with different connection (direction). Vishey,Caddock,Shinkoh,Audio note,Kiwame,Mills, these are resistors that I used and tested for directional. Yes they do sound different.
I've assembled many electronic kits and dozens of loudspeaker crossovers and never experienced any audible effects due to orientation of resistors. Does Ohm's Law behave differently depending on directionality?I've never seen any articles claiming directional differences in resistors, other than anecdotal claims such as yours. All reasonable evidence points to this as being just another audio myth.
Edits: 06/29/12
a
...all of your resistors could be (gasp!) installed backwards!
But it looks good to me as I put the lid on.
Exacta Mundo! Not to mention all internal wiring of speakers, amplifiers, preamps, cd players, transformers, etc.
what you will.
Some of the most important discoveries have come from blue sky thinking and experimentation.
Not so, especially spiral groove types.
Try them both ways and listen.
Subjectively speaking, you can imagine whatever you wish.
Based on what, macro properties by way of C,R,L?
How does one ID a spiral groove resistor? Is there a visible spiral groove on the exterior? The ones I'm using (per the tutorial for the mentioned mod) are Vishay metal film, through hole, 1/2watt, 22Kohms, 5% from Mouser.
Most cheaper barrel type resistors have a surface film cut to the right resistance theu grooving.
Vishay makes many types of resistors under various brands that it acquired. The best way to see if there is directionality is to solder one in and then reverse direction as the last resistor in the output chain and see if you can hear a difference.
I did this to various resistors in a passive attentuator and heard differences.
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