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In Reply to: RE: Zerozone Linear Power Supply posted by alan m. kafton on September 26, 2016 at 13:28:50
Image: Zerozone Stock DC Umbilical
You are indeed correct, Alan. I haven't had a chance to compare the stock 2-pin microphone connector with another type of interface, but it's safe to assume it's better than the typical DC barrel (a.k.a coaxial) interface at the load end of the DC umbilical. I've considered replacing the stock 2-pin microphone connector with a high-performance XLR interface for a critical listening application, but feel confident that the stock connector interface is sufficient. The stock DC plug at the load end of the cable is good; better than a Radio Shack DC plug, but I think a Switchcraft DC plug is superior, while an Oyaide DC plug is worth the extra expense for critical listening applications, or to splurge on for any audio application, for that matter.
Follow Ups:
....thanks for that.
Their cable looks pretty decent for the job. One could always cryo-treat it for a bit more performance. The Switchcraft and Oyaide idea is a good one as well.
I may go ahead and order one to give it a try. Thank you again for the heads-up.
Before the conductors became a tightly twisted pair, I found the presentation to sound notably flattened, lacking detailed spatial cues. Perhaps after the stock DC umbilical is cryo'd and cooked, the cable might perform better, but the basic effort of twisting the wires together provided a clearly improved performance level.
I would have to make special adaptors to Cook this umbilical, but there is no doubt the performance would be improved with proper conditioning. Added to that, your suggestion about creating a basic twist is most valuable.
Image: 2-pole microphone jack
I believe this is the correct output jack for use with the DC umbilical.
See link:
If the umbilical has a 2-pole female connector, then the jack pictured above will work. The pic of the unit online doesn't show the chassis mount connector pins.
Is this the case? Female connector on the umbilical....chassis mount male?
Yes, the cable-mount connector is a 2-slot female connector, while the chassis-mount output is a 2-pin male jack.
.
Image: VH Audio V-Quad cable and Oyaide DC-2.1G DC plug
For low-current or medium-current applications if the use of a 21 AWG aggregate gauge DC umbilical involves acceptable voltage drop, this configuration offers SOTA performance. Even the most basic audio device can benefit from this DC umbilical, IME. The VH Audio V-Quad cable is a SOTA 4-conductor star quad cable featuring a self-shielding noise cancellation design; it does not require a foil or braided shield in order to provide very effective, better sounding noise rejection characteristics, with no sonic downside. The Oyaide DC-2.1G DC plug involves the same quality as other Oyaide products, with a direct conductive path for the center contact, as well as a superior strain relief clamp that can grip a relatively large cable OD. There is no better DC barrel connector within the audiophile marketplace that I'm aware of.
Very nice, Duster....and the Oyaide (disclosure....I am a dealer) plug looks to be a 2.1mm model, which is perfect for my needs.
I would probably build the cable using an Acrolink model, as I really enjoy their "formula" considering all the power cables I've built over the years. Either way, this build would be a super-high quality cable for the LPS.
Thank you so much for being so helpful.
Thanks, Alan. I take this hobby pretty seriously, and enjoy sharing various findings and insights in AA :-D
Audiophile quests never end; I'm thankful for that. Peeling away even more layers of the audio onion is still a fascinating thing, after all these years...
What particular model is the Acrolink cable you have in mind?
Cheers, Duster
....since I have some quantity on hand. After assembly with the Oyaide 2.1mm connector, I would also double-cryo treat, then condition the new umbilical on the HI-POWER Cable Cooker for 5 days, assuring its best performance.
Edits: 09/29/16
Geez, Alan...you just had to shout HI-POWER to make those of us with, um, "classic" Cookers feel inadequate, right? Well, I'm an old fashioned kinda guy....tubes, LP's and all, so old is good and I'm not fazed. :) :)
Hey, Bill....your posts validate just how good the original unit is, albeit without the Extended Frequency Sweep. Yours is still delivering the goods 16 years later.
I use the HI-POWER unit for customer's products and anything of my own since it works faster and more thoroughly. It was primarily designed for very heavy-gauge power cables & speaker cables, since those take the longest to condition. Prior to that, I used a combo of 2.5 PRO's (and now 3.5 units) over the years. They are fine and dandy as well.
I have taken a few trade-ins here and there....(hint, hint).
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