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Jvb, that's the first calculator I used in setting up my MultiMag prototypes!

Posted by JBen (A) on September 23, 2010 at 23:36:20

In Reply to: RE: Free wire size calculator for your audio system posted by johnvb on September 22, 2010 at 17:24:54:

I've been a convert to Magwire since D encouraged me to try it a couple of years ago. One run in my place reaches 10ft, which in reality is two runs (I bi-amp my MMGs). The other side is shorter. Despite the wonderful sound, this forced me to deal with the imbalance. Thin wire IS more resistive.

Still, no matter what I brought in, branded or not branded cable, the Magwire beat it at most everything. Then, last year a friend tried the Magwire with his B&W 802D. We were not thrilled. So, he asked me, and I helped in testing more brands. Mixed reactions, never mind the price! Eventually, we built three cat5 versions...neither of us liked it in any special way. In fact, though "anemic" by his standards, he correctly pointed out that the Magwire still beat all of these at the very top end.

That's when I thought that I would ignore common wisdom even further. I came up with the "MultiMags". No rocket science here. Simply add more of them Magwires and ignore the perils of undue inductance and capacitance. The current "best" version is called Multimag842T and it adds up to about 12 guage.

The number stands for 8 runs of 22ga, 4 runs of 26ga plus 2 runs of 30ga, all from the Radio Shack packs. These are wrapped in one spiraling overlapping layer of Teflon tape; that's the "T". It is a little hard to make plus it is boring work!. That's because of a key step: The bundle MUST NOT twist much ...NO braiding.

Keeping the wires straight means that one has to wrap the Teflon tape by hand to minimize twists. Arms do get a good workout and hand dexterity (holding the spool around the bundle) zooms up after a couple of hours.

The MM842T retains the best of single wire, or 010 (one 26ga)- very clean highs. MM842T beats 010 plus MM020T, MM442T, MM221T and MM202T in imaging and dynamics. There was a MultiMag10-84 but I had not thought of the Teflon tape yet and used Tyvek tape. It was not that good. I really don't know which spoiled the party -- too much cabling or the Tyvek tape.

During the Razoring tweak tests weeks ago, MultiMag842T cable came through like a champ. However, the one salient surprise came after the first wave of tests. I have been re-testing past tweaks and various pieces of equipment with the now Full-Razored/StickBraced MMGs.

The original Denon AVR-2106 receiver that I used until 2 years ago (never before a good imager), likes these cables so much that it images almost as well as any of the better stuff I have tired. I had a borrowed set of AudioQuest CV-4 and tried them. The 2106 did not like them that much. For that matter, the MultiMag842T bested everything with any combination I tried. At a cost of $30-$60 of spools plus several hours of boring work, one does get a very decent set of cables.

Anyway, after hearing my set of MultiMag842T with his B&W speakers, my friend wanted to make his own set but never had the time. So, I am making the set for him now. His runs are longer than mine (one side is 15ft long)...did I say this was boring? We will be testing it his weekend.

BTW, he returned the AQ CV-4 and other esoteric cable stuff. While I finsh his new cables, he is running electric 12Ga solid copper wire from Home Depot...not too refined but punchy as hell!

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