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In Reply to: Re: No cable warm up: proven by a Korean hi-end critique posted by hyun@hifinet.co.kr on February 11, 2002 at 16:13:24:
Dear Mr. Hyun,May I re-post my suggestion from below, slightly re-formulated.
I shall propose an experiment. Please note that this experiment is strictly designed to study the audibility of "breakin". The proposed test cables where chosen to show significant breakin effects if the theories proposed in some quarters are true.
And yes, I have already carried out a similar experiment. And yes, I have come to a conclusion. But here my proposal:
1) Get 4m Cat 5 or similar/better spec unshielded, twisted pair four pair cable.
2) Get 8 Pcs of chunky, all metal solid RCA Plugs, Radioshack will be fine, just make sure they are least goldplated and solid, heavy, you know, loads of metal.
3) Get some solder, ordinary 60/40 PB/SN will do.
4) Get two RCA Jacks and two 620 Ohm 1/4W Metal or Carbon Film Resistors.
5) Assemble 4pcs 1m Cables using the Cat 5 cable with only the coloured conductor from ONE PAIR (say the cool blue coloured one) for Signal connected to the Pin and the white plus (blue) colour striped wire and all six other wires for ground. Make sure to attach the strain relief properly, make sure the length are equal and that in all cables the same colour wire is used for the signal and for pete's sake FIRST wrap the wire tightly around the connection elements in your plugs so that the cable should work fine without soldering and THEN simply seal the surface of copper and fixate the whole lot mechanically by flowing a small bit of solder over the join (lets not go into the audibility of solderjoins this time - just do it please as prescribed).
6) Take breakin / system demagnetisation CD (or make one in your PC on your CD Burner with pink noise having peaks at or above 0dbfs) and place this in your spare CD player.
7) Connect one of the two pairs of interconnects you made earlier up to the CD Player (observe wire directionality just in case it makes a difference) and connect the RCA jacks to the "far" side of the Interconnect with the 620 Ohm resistor wired between signal and ground.
8) Let the above assembly play for at least a week on non-stop repeat.
9) Use some unobtrusive means to mark the "burned in" cable pair (so you can tell later which is which and have someone else connect both sets up to your stereo, using two KNOWN (sonically) identical inputs and via a Y-Adapter to the CD Player. Make an AB comparison and possibly even a double blind one, but hurry up as during the listening the "unburned" cable will now be "burning in", assuming of course the "burn-in" effect is real and not imaginary.
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I would recommend the above test to anyone who REALLY wants to know if audible burn-in/break-in phenomenae CAN occour in cables or not. The test is pretty sound scientifically and cheap as well as easy to implement. After that you will KNOW first hand if Cable Breakin is real or imaginary and instead of arguing abstractly you will be able to show real, hard data for all your troubles.
As said, I have done it already, if with a slightly different design of cable, so I know. But instead of telling you I'll tell how to get your own knowledge.
Regards T
PS, questions as to what I found will not be answered - go ahead and experiment yourself and post the results here....
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Follow Ups
- Re: No cable warm up: proven by a Korean hi-end critique - Thorsten 06:17:09 02/12/02 (3)
- Cable test - Granholm 03:50:12 02/13/02 (2)
- Re: Cable test - Steve Eddy 11:51:50 02/13/02 (1)
- Re: Cable test - Granholm 00:45:05 02/14/02 (0)
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