What the heck is a HARP device?

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Tinear1

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What the heck is a HARP device?
« on: 23 Aug 2025, 07:32 pm »
Just watched the vid on the new Allie & Maddie speakers.  You mentioned a HARP device a couple times.  What is it & what does it do?

SlushPuppy

Re: What the heck is a HARP device?
« Reply #1 on: 24 Aug 2025, 02:31 am »
Great video, but HARP? HAARP? That's new to me  :dunno:

FullRangeMan

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Re: What the heck is a HARP device?
« Reply #2 on: 24 Aug 2025, 02:51 am »
Just watched the vid on the new Allie & Maddie speakers.  You mentioned a HARP device a couple times.  What is it & what does it do?
This is the video in question:
https://www.youtube.com/watch?v=WM5mYMh-mIg

NXSTUDIO-DRUMMER

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Re: What the heck is a HARP device?
« Reply #3 on: 24 Aug 2025, 03:08 am »
This is a very scientific explanation of Harp:
https://cds.cern.ch/record/1157235/files/CERN-HARP-CDP-2008-004.pdf
« Last Edit: 24 Aug 2025, 05:55 pm by NXSTUDIO-DRUMMER »

FullRangeMan

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Re: What the heck is a HARP device?
« Reply #4 on: 24 Aug 2025, 03:34 am »
HARP
OMEGA | SIGMA-X | ALPHA-X
HARP was discovered through Gabriel’s research into ‘current drift’ and audio frequency current resonances that occur in speaker cables. Theoretically, a speaker cable may develop current resonances in the audio band, being roughly analogous to standing waves (modals) in room acoustics. The ‌‌HARP module acts as a current mode diffraction device that breaks up these resonances, improving the perceived resolution and coherency of the system.

Glady86

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Re: What the heck is a HARP device?
« Reply #5 on: 24 Aug 2025, 04:41 pm »
Do they sell these things separately? I’m skeptical abut things like this but I’d try them if I could purchase and see for myself if they do anything.

Glady86

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Re: What the heck is a HARP device?
« Reply #6 on: 24 Aug 2025, 05:01 pm »
This Shunyata company actually charges $1000.00 for a set of speaker jumpers, come on now, that’s insane.

NXSTUDIO-DRUMMER

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Re: What the heck is a HARP device?
« Reply #7 on: 24 Aug 2025, 06:00 pm »
This Shunyata company actually charges $1000.00 for a set of speaker jumpers, come on now, that’s insane.


FYI, Ali Express is known for selling fake brand name products.

Not sure how up to date this list is?

In general, authorized dealers of Shunyata products are high-end audio retailers, many of whom have an online presence. Some include:
Music Direct
Music Lovers Audio
Choice Audio
The Cable Company
Dedicated Audio
The Music Room
AV Luxury Group
Overture Ultimate Home Electronics
Suncoast Audio
Audio Nexus
Audio Solutions
« Last Edit: 24 Aug 2025, 11:00 pm by NXSTUDIO-DRUMMER »

FullRangeMan

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Re: What the heck is a HARP device?
« Reply #8 on: 24 Aug 2025, 10:28 pm »
This Shunyata company actually charges $1000.00 for a set of speaker jumpers, come on now, that’s insane.
This is a trap only for the gullible American market, in Europe this kind of thing doesnot works.

Early B.

Re: What the heck is a HARP device?
« Reply #9 on: 24 Aug 2025, 11:38 pm »
This is a trap only for the gullible American market, in Europe this kind of thing doesnot works.

FRM -- bewilder, beguile, and berate us with your keen insight, and tell us more about those gullible Americans. :roll:

Back on topic -- it would be helpful if someone could post a pic of this device if that's possible. Or is it too proprietary?

Here's a snippet of a Shunyata speaker cable review with HARP technology:

HARP is also contained in a small, network-like box, but it too is not a network. In fact, HARP does not alter the frequency response or transfer function of the cable in any way. It does not change measurable capacitance, inductance, or resistance. So how does it work? As with KPIP, Shunyata shares very little about the workings of HARP. I can tell you, with great certainty, though, that HARP is highly effective in improving the overall performance of the system. I heard A/B/A demos of a HARP prototype in systems at the Shunyata facility in Poulsbo, Washington, a while back, and was astonished by how much across-the-board improvement HARP made to even a modest system used in one of the demos. It was as if the entire system’s performance were enhanced in every regard—tonal purity, image focus, dynamic precision, soundstage, and resolution of detail and timbre. It is best applied as close to the speaker as possible; thus, the HARP unit is positioned near the speaker terminal end of the speaker cable.

I am usually skeptical about any “cure-all” audio product, but I have never heard another audio technology applicable to any system with freestanding speakers that qualifies as an unambiguous improvement, rather than a subtle amelioration, or a different flavor, of limited efficacy and only in particular systems. Caelin Gabriel explained some of the “current drift” physics theory behind HARP to me, but I would only butcher his words if I attempted to summarize them—and most likely generate deriding letters from physicists in the process. Let me repeat, HARP is remarkably effective in the overall improvement of the system in which it’s implemented. Shunyata is on to something, here.

https://www.theabsolutesound.com/articles/shunyata-research-sigma-signal-cables/

NXSTUDIO-DRUMMER

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Re: What the heck is a HARP device?
« Reply #10 on: 24 Aug 2025, 11:48 pm »
It would be interesting to hear Harp applied to the NX line up, as a completed build. Evidently, Danny isn't interested with incorporating harp separately, as a upgrade option with his DIY products.

Thanks for sharing your experience regarding the Shunyata harp EarlyB. Very intriguing. :thumb:

Early B.

Re: What the heck is a HARP device?
« Reply #11 on: 24 Aug 2025, 11:52 pm »
Thanks for sharing your experience regarding the Shunyata harp EarlyB. Very intriguing. :thumb:

That's not my experience -- it's a quote from a review.

NXSTUDIO-DRUMMER

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Re: What the heck is a HARP device?
« Reply #12 on: 24 Aug 2025, 11:56 pm »
Got it!  :thumb:  I'm sure it will be a very expensive upgrade process though, incorporating harp.

jmimac351

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Re: What the heck is a HARP device?
« Reply #13 on: 25 Aug 2025, 12:29 am »
This is a trap only for the gullible American market, in Europe this kind of thing doesnot works.

Get your helmet, get in your car, meet me at Pit Out.  BRING IT.

And, make sure your tariff check doesn't bounce. Your "Leaders" were happy to kiss our azz to pay it. "Gullible"... Indeed.

« Last Edit: 25 Aug 2025, 01:56 am by jmimac351 »

SlushPuppy

Re: What the heck is a HARP device?
« Reply #14 on: 25 Aug 2025, 01:47 am »
This is a trap only for the gullible American market, in Europe this kind of thing doesnot works.

Gullible American market? Lol! The most tweaks I've seen in a system (by far) was during my recent move to SE Asia. I have friends in India and Singapore that have more money in tweaks than the cost of their actual system! I appreciate all you do around here FullRangeMan, I really do, but those type of comments are not cool.

FullRangeMan

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Re: What the heck is a HARP device?
« Reply #15 on: 25 Aug 2025, 02:24 am »
Sorry folks. You guys dont count, yous are experts, experienced audiophiles.
The average joe thinks low sensitivity speakers and power amps with a dozens of output transistors are great, not to mention IEC power plugs, expensive cables and six figures loudspeakers.

Currently loudspeakers must be 2-way pocket monitor, if a speaker dont have good looking with a beautiful wood laminate, it will not sell. Sound quality no longer matters when it comes to selling, what matters is appearance.

Early B.

Re: What the heck is a HARP device?
« Reply #16 on: 25 Aug 2025, 02:39 am »
Currently loudspeakers must be 2-way pocket monitor, if a speaker dont have good looking with a beautiful wood laminate, it will not sell. Sound quality no longer matters when it comes to selling, what matters is appearance.

What's wrong with buying speakers based primarily on their appearance, and paying a premium for it? For those of us with wives, aesthetics is often the most important consideration.   

FullRangeMan

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Re: What the heck is a HARP device?
« Reply #17 on: 25 Aug 2025, 02:46 am »
What's wrong with buying speakers based primarily on their appearance, and paying a premium for it? For those of us with wives, aesthetics is often the most important consideration.   
In this case you must buy made in usa speakers, they fit this profile.

SlushPuppy

Re: What the heck is a HARP device?
« Reply #18 on: 25 Aug 2025, 03:21 am »
In this case you must buy made in usa speakers, they fit this profile.

Yeah, because speakers made in Germany, Switzerland or Denmark are sold by specifications only. Appearance only matters to Americans. Lol!

FullRangeMan

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Re: What the heck is a HARP device?
« Reply #19 on: 25 Aug 2025, 03:32 am »
Yeah, because speakers made in Germany, Switzerland or Denmark are sold by specifications only. Appearance only matters to Americans. Lol!
What American consumers buy shapes the international market trends.