Regen Cable

Works for me in my limited experience with USB cables...//nt, posted on July 19, 2015 at 06:01:55
MaxwellP Audiophile Posts: 1623 Location: New York Joined: September 19, 2007	Nt

RE: Regen Cable, posted on July 19, 2015 at 06:09:44

Mercman
Audiophile

Posts: 6581
Location: So. CA
Joined: October 20, 2002

The hard junction (short stub) they provide is recommended and sounds excellent Fred.

Yes I have one here. A friend loaned me his. Mine is coming.

RE: Regen Cable, posted on July 19, 2015 at 06:40:57
fmak Audiophile Posts: 13158 Location: Kent Joined: June 1, 2002	I shall try mine with a variety of lengths of Wireworld Starlight, from 6 cm to 1m. I am still not convinced by whatever resistor value they float the input ground with.

RE: Regen Cable, posted on July 19, 2015 at 07:13:24
Dynobot	Only problem is they didn't charge enough out the gate so the very same cable could be a "Hi-Fi Audiophile" cable. Nothing a little marketing and re-branding can't fix.

RE: Regen Cable, posted on July 19, 2015 at 07:31:28
theob Audiophile Posts: 3180 Location: ann arbor michigan Joined: November 4, 2000	Supra with Regen Amber is fat and mid rangy. I did not like it.

RE: Regen Cable, posted on July 19, 2015 at 07:44:14
ahendler Audiophile Posts: 5151 Location: San Antonio, Texas Joined: January 24, 2003	I use the hard junction and I really like the Regen. The Supra cable came about because some people couldn't use the hard junction and they were looking for some short cables Also the were looking for bargains. A lot of people liked the Supra with the Regen Alan

RE: Regen Cable, posted on July 19, 2015 at 08:28:46

AbeCollins
Audiophile

Posts: 46302
Location: USA
Joined: June 22, 2001
Contributor
Since: February 2, 2002

Fred, we know that your USB cables must be better but this rag from the UK hasn't heard yours. You should send them one.

In the November 2012 issue of What Hi-Fi, the Supra USB cable won a convincing 5 stars review - it was compared against Audioquest Cinnamon USB (�59 and 4*), Clearer Audio Silver-line USB (�40 and 3*) and Russ Andrews Kimber USB (�52 and 4*).

Supra cables: What Hi-Fi 5 star award

It also received the What Hi-Fi "USB Cable of the Year" award for 2012.

RE: Regen Cable, posted on July 19, 2015 at 08:57:22

SBGK
Audiophile

Posts: 444
Joined: March 22, 2012

J Swenson is very careful not to say anything that can't be backed by measurements, so the Supra might be a cable that he thinks meets the minimum requirements for a usb cable and doesn't cost too much. SuperDad (CA) has said he and JS heard things that surprised them ie they couldn't be measured, but I don't expect JS to ever come out with a claim that's not backed by measurements. "Amber upgrade with Supra is magic." is probably just fanboy talk.
http://mqnplayer.blogspot.co.uk/

RE: Regen Cable, posted on July 19, 2015 at 09:09:55
fmak Audiophile Posts: 13158 Location: Kent Joined: June 1, 2002	If you follow what JS has said, his measurement system wasn't working and he was trying to figure out why. Anyone can measure the ground lift degree.

RE: Regen Cable, posted on July 19, 2015 at 09:12:28

fmak
Audiophile

Posts: 13158
Location: Kent
Joined: June 1, 2002

What HiFi pronouncements?

You may believe them, I take it that it suited their system.

It is not the most critical of UK AV, not audio, magazines. The answer for you is to buy one and hear for yourself.

bargains, posted on July 19, 2015 at 09:15:35
fmak Audiophile Posts: 13158 Location: Kent Joined: June 1, 2002	speak I guess. Some of the usb cables touted in UK as being A1 are really B10. Yes, I tried them.

RE: Regen Cable, posted on July 19, 2015 at 11:27:08

AbeCollins
Audiophile

Posts: 46302
Location: USA
Joined: June 22, 2001
Contributor
Since: February 2, 2002

You may believe them,...

I believe very little of What HiFi says. They are very sensationalistic and nationalistic in their reviews where it is common for UK products to get rave 5-Star reviews while others do not.

...I take it that it suited their system.

Wouldn't that be the case for just about ANY USB cable? Suiting the specific system it is used on?

The answer for you is to buy one and hear for yourself.

Likewise for you my friend. Mine is on order just for grins.

I think it was the 90ohm impedance more than the What Hi+ review that garnered the recommendation.//nt, posted on July 19, 2015 at 13:08:50
MaxwellP Audiophile Posts: 1623 Location: New York Joined: September 19, 2007	Nt

RE: Regen Cable, posted on July 19, 2015 at 13:33:30
Rich Brkich Dealer Posts: 832 Location: Near Syracuse, New York Joined: April 3, 2000	While I think the Supra is good (and I assume we are talking about the cable being used to the input of the Regen = I have only ever have used the small hard adapter between Regen and DAC)...especially for the modest price, I do prefer the (much more expensive) JPS Labs Super V USB cable I have been using for some time. Happy Listening, Rich Brkich Ownwer/Operator Signature Sound

That means that the Regen hangs off the back of your DAC..., posted on July 19, 2015 at 19:10:50

Ivan303
Audiophile

Posts: 48887
Location: Cadiere d'azur FRANCE - Santa Fe, NM
Joined: February 26, 2001

suspended only by the connector?

That might not work for me as my DAC sits on a table next to my listening chair and there is no way to support the REGEN as it will just hang of the back of the table into the air.

Not a good thing.

REAL short cable might work as the DAC USB input is in the rear near the side of the unit so the REGEN could sit beside it easily. 3 inch cable would do.

Perhaps 'fmak' could get into the cable business! =:-0

First they came for the dumb-asses
And I did not speak out
Because I was not a dumb-ass

90ohm impedance, posted on July 20, 2015 at 01:39:32
fmak Audiophile Posts: 13158 Location: Kent Joined: June 1, 2002	Plenty of usb cables claim this.

RE: That means that the Regen hangs off the back of your DAC..., posted on July 20, 2015 at 05:51:55
Mercman Audiophile Posts: 6581 Location: So. CA Joined: October 20, 2002	I have something under the Regen for support. I'm also going to try the iFi Mercury USB cable I have.

A short (~7") USB link is provided for such use. (NT), posted on July 20, 2015 at 06:34:28
Kal Rubinson Reviewer Posts: 12436 Location: New York Joined: June 5, 2002

RE: 90ohm impedance, posted on July 20, 2015 at 12:11:13
Tony Lauck Audiophile Posts: 13629 Location: Vermont Joined: November 12, 2007	Indeed, if a cable is sold as a "USB cable" it had better be 90 ohms, otherwise it is defective or fraudulent. Tony Lauck "Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar

OK, I'm better informed now...//nt, posted on July 21, 2015 at 05:22:03
MaxwellP Audiophile Posts: 1623 Location: New York Joined: September 19, 2007	nt

RE: 90ohm impedance, posted on July 21, 2015 at 06:58:43

Ryelands
Audiophile

Posts: 1867
Location: Scotland
Joined: January 9, 2009

Indeed, if a cable is sold as a "USB cable" it had better be 90 ohms, otherwise it is defective or fraudulent.

Meanwhile, back in the real world the spec is, as I recall, 90R +/-15 per cent. USB cables (obviously) vary in how closely they adhere to standards, esp the 90ohm thing, but also very commonly in the gauge of wire used, esp for V+/-. And so on. Many cheap USB cables used to connect, say, external storage are way out of spec but nevertheless work in the sense that they transfer data even if sub-standard engineering ups the number of retransmits and lengthens transmit time. In the scheme of things, that doesn't matter much for casual domestic use esp at the low prices one pays for them. IOW, they are neither defective nor, to use your IMHO unnecessarily melodramatic term, "fraudulent".

Cables for critical real-time signals such as audio are a different matter. It's surely a prime requirement that up-and-after-market cables for applications of this type meet spec as tightly as possible whatever exotico-how's-your-fathers the makers claim to offer. Frustratingly, few makers provide data. I see that Wireworld says that "The Ultraviolet USB exceeds the USB2.0 High Speed specifications". I'm sure it does but it'd be nice to know how and why.

J Swenson is very careful not to say anything that can't be backed by measurements

True but he seems rarely to provide the measurements that back his reports. What he excels at IMHO is observation rather than measurement. I have no issue with that.

USB 2.0 is a 'standard'..., posted on July 21, 2015 at 07:18:27

Ivan303
Audiophile

Posts: 48887
Location: Cadiere d'azur FRANCE - Santa Fe, NM
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If a cable doesn't meet that 'standard', whatever that is, it's NOT a 'USB' cable and should not be sold as such even if it to appears to function.

Link below:

First they came for the dumb-asses
And I did not speak out
Because I was not a dumb-ass

USB 2.0

RE: 90ohm impedance, posted on July 21, 2015 at 07:40:56

Tony Lauck
Audiophile

Posts: 13629
Location: Vermont
Joined: November 12, 2007

The 15% tolerance is part of the standard. This is needed to deal with manufacturing tolerances as well as installation issues. (Bending a cable in a tight radius may create impedance discontinuities.) The tolerance figures into various budgets that ensures that a conforming transmitter connected by a conforming cable to a conforming receiver in a conforming electromagnetic environment will operate correctly.

The transmission of audio data over USB is not what I would call critical real time, unlike the situation with SPDIF and AES/EBU. USB is packet based and there is no relationship between the USB bit clock and the sampling rate clock used by the DAC to time conversion to analog.

Tony Lauck

"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar

RE: USB 2.0 is a 'standard'..., posted on July 21, 2015 at 07:46:50

Ryelands
Audiophile

Posts: 1867
Location: Scotland
Joined: January 9, 2009

If a cable doesn't meet that 'standard', whatever that is, it's NOT a 'USB' cable and should not be sold as such even if it to appears to function.

Thank you. I have copies of nearly all the pertinent paperwork and have even read some of it (that sad) but I'm sure you'll understand that, if the relevant standards boards don't feel the need to police the use of their logos, neither do I. TBH, if a �1.50 USB cable works, I give not a hoot whether or not it's entitled to carry the logo.

It was our rather arcane little niche - USB for high-end audio - I was concerned with. Specs in this sector are a different matter and concern the real world of valid claims and engineering tolerances.

RE:"I give not a hoot whether or not it's entitled to carry the logo."..., posted on July 21, 2015 at 08:12:36
Ivan303 Audiophile Posts: 48887 Location: Cadiere d'azur FRANCE - Santa Fe, NM Joined: February 26, 2001	Then it appears you DO agree with Tony after all when he states: "Indeed, if a cable is sold as a "USB cable" it had better be 90 ohms, otherwise it is defective or fraudulent." First they came for the dumb-asses And I did not speak out Because I was not a dumb-ass

RE: USB 2.0 is a 'standard'..., posted on July 21, 2015 at 08:23:05

Tony Lauck
Audiophile

Posts: 13629
Location: Vermont
Joined: November 12, 2007

It may be a matter of the 11th commandment.

Tony Lauck

"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar

http://www.urbandictionary.com/define.php?term=Eleventh+Comm

RE:"I give not a hoot whether or not it's entitled to carry the logo."..., posted on July 21, 2015 at 08:32:49
Ryelands Audiophile Posts: 1867 Location: Scotland Joined: January 9, 2009	Then it appears you DO agree with Tony . . . As I said above, I have no opinion on the subject. As he is wont to do, Tony seems to be back-tracking from one of his typically OTT pronouncements with a blast of techno-guff. Make of it as you will.

impedance match?, posted on July 22, 2015 at 01:15:16

fmak
Audiophile

Posts: 13158
Location: Kent
Joined: June 1, 2002

It is difficult to see that these internal cables and connectors on MBs adhere to the USB standard. By all accounts, these should be avoided for audio use.

As I have pointed out, the transformation from the A to B connector makes quite a lot of demands on how cables are laid out internally and how these are soldered to the plugs.

A new secure and impedance matched 'standard' for audio is called for.

Note: On my more expensive usb cable (Gemini) and iFi Power combination, the connections are so loose that I have had to crimp the plugs for a more secure mechanical connection. This does not guarantee that internal 'hard' contacts have been made.

RE: impedance match?, posted on July 22, 2015 at 01:57:04

Ryelands
Audiophile

Posts: 1867
Location: Scotland
Joined: January 9, 2009

[If] internal cables and connectors on MBs adhere to the USB standard.

According to an Intel paper of some years back, they rarely do at least as far as power delivery goes - see link. (The paper predates USB3.) I don't know whether similar points apply to the data lines but I can guess.

A new secure and impedance matched 'standard' for audio is called for.

Agreed though some way of knowing how closely a given product met spec would be a start. Hopefully, those (pricey) PCIe>USB boards sold for audio use do.

D

Power Delivery Design Issues

There are some ridiculous looking prop-up, posted on July 22, 2015 at 08:23:37
fmak Audiophile Posts: 13158 Location: Kent Joined: June 1, 2002	pics in CA. I don't think that this is satisfactory.

Computer Audio Asylum

Regen Cable

31.185.131.48