In Reply to: "reactive enough " posted by Caymus on May 13, 2006 at 16:12:00:
not only was the difference readily audible, but installing this cabling had nearly erased a 4db dropoff at 20khz in his system.Even a couple tenths of an ohm resistance in speaker cabling will often allow audible back emf cross modulation between the LF and HF portions of a speaker crossover.
Skin effect for 20 awg wire starts to significantly decrease its conductivity above 20 khz with potentially significant effects on phase response a couple of octaves below that.
IC insulator dielectric characteristics are significant for audio just as is the case with audio quality capacitors which is why PVC insulation between conductors is seldom if ever used for high quality interconnects.
IC shielding characteristics can be important regarding SQ when there is significant conducted or induced EMI, since some (particularly SS) equipment does not handle out of audio band energy very well.
Still think old lamp wire is good enough for high quality audio?
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Follow Ups
- A friend of mine once replaced his generic IC cabling with low capacitance coax that I recommended and... - Tom Dawson 20:41:22 05/14/06 (20)
- "Skin effect for 20 awg wire starts to significantly decrease its conductivity above 20 khz " says who? - Tre' 20:17:42 05/15/06 (16)
- Sez this Microwave Encyclopedia web site - Tom Dawson 07:12:37 05/16/06 (15)
- Re: Sez this Microwave Encyclopedia web site - Tre' 10:54:07 05/16/06 (7)
- Re: Sez this Microwave Encyclopedia web site - jneutron 11:23:42 05/16/06 (6)
- Re: Sez this Microwave Encyclopedia web site - Tre' 11:37:31 05/16/06 (5)
- Re: Sez this Microwave Encyclopedia web site - jneutron 11:52:37 05/16/06 (4)
- Re: Sez this Microwave Encyclopedia web site - Tre' 14:20:09 05/16/06 (3)
- Re: Sez this Microwave Encyclopedia web site - Tom Dawson 14:56:41 05/16/06 (2)
- Re: Sez this Microwave Encyclopedia web site - Tre' 16:19:27 05/16/06 (1)
- Re: Sez this Microwave Encyclopedia web site - Tom Dawson 18:22:51 05/16/06 (0)
- Ah, thanks. - jneutron 07:35:24 05/16/06 (6)
- Re: Ah, thanks. - Tom Dawson 07:48:16 05/16/06 (5)
- Re: Ah, thanks. - jneutron 08:39:28 05/16/06 (4)
- Re: Ah, thanks. - Tom Dawson 09:04:36 05/16/06 (3)
- Re: Ah, thanks. - jneutron 09:23:14 05/16/06 (2)
- Re: Ah, thanks. - Tom Dawson 09:37:54 05/16/06 (1)
- Re: Ah, thanks. - jneutron 10:00:20 05/16/06 (0)
- Then how does video and digital work if wire can’t even pass 20 KHz? - Caymus 19:10:34 05/15/06 (2)
- The ICs in question were the garden variety types supplied with most mass market audio equipment. - Tom Dawson 07:17:36 05/16/06 (0)
- I suspect his friend had a passive pre - andy_c 20:16:09 05/15/06 (0)