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Passing on some old news, but....

216.214.209.186

Posted on July 30, 1999 at 01:29:33
Sean


 
I have been digging through the old International Audio Reviews (IAR) and ran across "Hotline #9" which dealt with speaker cables. According to Mr. Moncrieff, the best cable for lower midrange and bass response was very cheap and commonly available. It was Columbia brand Romex type NM 12/3G. He tested several different brands of Romex and many other speaker cables and said that this was head and shoulders above the rest in terms of both measurements and sonics within that frequency range. He used it in a cross connected array to reduce inductance, as this is really a four conductor wire.

According to the text and graph, it showed a very linear response from way down low up to about 2.7 Kc's or so. At frequencies above that, it had a sloping response as frequency increased. It could be used full range as he also stated that the high frequency response still sounded more natural than most other wires that exhibited similar roll off. There was only one other wire that really bested this one and it is no longer made.

This sounds like a BARGAIN for folks running subs or bi-wiring. Could work out great for the bottom end. I know that i'll be checking into it pronto. I'm sure that he may have suggested some other wires after this, but for a few bucks, it might pay to check it out. Sean
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The rest of the story, posted on July 30, 1999 at 17:41:14
Mr. Moncrieff caused a minor wire-storm over that one, as there was one little problem........

The Columbia brand he refered to was NOT the nationally available brand, but a small local company, which was getting it's wire from a large distributor. Turns out when he went to get some more, the supplier told him that they no longer carried 'Columbia", that they went out of business, and the cable was no longer available. After some digging, Moncrieff found out that this may have been the worlds only Romex with a high quality insulation, and high grade copper. The legend goes, he had some of the original wire analyzed, and the results were not typical of your run of the mill romex/housewiring.

The reason this caused so much flap at the time was that a lot of people ran out and bought the nationally available Columbia brand romex, and were then terribly dissapointed, and wrote or called Moncreiff about it. All the other brands of romex were not nearly as good sounding as that one fluke of a local brand.

Since that time, cost concerns and shortcuts have reduced the quality of typical grades of copper, and PVC has even more low grade plasticizer in it now, as that allows it to be cheaper. You are less likely than ever before to stumble across a 'good' brand of romex. Many quit trying years ago, as there never did seem to be a replacement for that original west coast 'Columbia' romex.

As I have stated before, ordinary building grade romex type wires are not that good sounding, the PVC and low grade of copper typically do not help the sound, and the only thing they have going for them is the solid wire construction and low DCR, assuming you get the 14 or 12 gauge size. This results in a strong bass (actually TOO strong), that has a touch of woolyness and is a bit indistinct compared to a neutral presentation of the bass.

The highs are generally on the soft or blurred side, yet have a touch of tizzyness due to the PVC, and if all the wires in the bundle are not hooked up, it can have a severe case of the false reverbs, that has a low level detail blurring effect. Difficult to terminate, the single large solid wire can be crimped, but is hard to solder properly to any termination.

In my opinion, original Monster Cable 12 gauge is a better bet than romex.

Jon Risch

 

The "genius" of Matthew Polk?, posted on July 30, 1999 at 19:42:52
The rest of the IAR story was that Polk Soundcable (aka Cobra Cable) had the lowest inductance and was therefore the best high frequency cable available and a killer combo with the Romex. This stuff was imported from Japan by Polk and had enameled Litz wires of opposite polarity woven over each other at near right angles to form a tube looking like a Chinese finger trap. This cable, like other low inductance wires I've heard (Goertz), sounded very quiet (low noise) and fast, but also sounded lightweight in the bass. After my Quatre amp blew up with this wire, I got a pair of PS Audio monoblocks and cut-up and reterminated the Polk wire to make two 2.5 foot long bundle of eight parallel sections each into my Vandy 2As. Back in 1983, this was the best cable I'd ever heard, clobbering my Fulton Golds and Monster Powerlines.

 

two replies from people "on their toes"........., posted on July 30, 1999 at 20:28:40
Sean


 
Damn, i'm glad i posted that. It's good to see that Steve is on his toes and remembers that article also. I knew that the Naim and Phase Linear amps DID NOT like the Polk wire, but was unaware of the Quatre's ability to detonate with it. It's also great that Jon could fill in the blanks that i wasn't aware of. As it is, i spent a few hours digging around large hardware stores and a couple of electrical supply houses looking for the Columbia cable that was mentioned. While it wouldn't have been much money wasted, it sure would have been a letdown. Thanks for chiming in and straightening this out guys. Sean
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