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AudioQuest Big Sur

Stereo interconnect cable with RCA plugs (3 meters/10 feet)

9 Reviews

Item #: 703BSRR3M

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Overview

Our take on the AudioQuest Big Sur

"Do no harm!" AudioQuest has been creating high-performance audio cables for more than 30 years, guided by this simple mantra. In AQ's view, the perfect cable would be one that adds nothing — no noise, no distortion — to the original signal. With its Big Sur cables, AudioQuest pursues that ideal with the aid of some high-tech materials and designs. You might not expect a joined cable this thin and lightweight to deliver such great sound. So how does AudioQuest makes it happen? It's all about the details.

"Do no harm!" AudioQuest has been creating high-performance audio cables for more than 30 years, guided by this simple mantra. In AQ's view, the perfect cable would be one that adds nothing — no noise, no distortion — to the original signal. With its Big Sur cables, AudioQuest pursues that ideal with the aid of some high-tech materials and designs. You might not expect a joined cable this thin and lightweight to deliver such great sound. So how does AudioQuest makes it happen? It's all about the details.

Solid Perfect-Surface Copper+ (PSC+) conductors

One of the most important materials that goes into an audio cable is the metal used for its conductors — the parts of the cable that actually carry the signal. Big Sur cables feature conductors made from a material AudioQuest calls "Perfect-Surface Copper+." PSC+ starts with ultra-pure copper, formed into solid (not stranded) conductors with an astonishingly smooth surface. The end result: clean, low-distortion signal transfer for transparent sound.

Advanced cable geometry

While many cables use a single path for both the ground and shield, AudioQuest uses a design they call "double-balanced asymmetrical geometry." This design separates the ground and shield paths for clean, quiet performance.

Cold-welded "Purple Copper" connectors

Big Sur's connectors are cold-welded, rather than soldered, which eliminates a common source of distortion found in many audio cables. They're made from high-purity, gold-plated "Purple Copper," which outperforms more common connector materials where it counts — in the listening room.

This cable is equipped with dual RCA connectors at each end. Mini-to-mini and mini-to-RCA versions are also available.

These cable can be a little pricey but are worth the investment. I couple these with a plethora of Audioengine and Pro-ject gear to deliver an exhilarating record listening experience.

Nicholas, Buffalo, NY

What's in the Box:

  • 3-Meter stereo RCA cable

Product Highlights:

  • length: 3 meters/10 feet
  • stereo cable with dual RCA connectors at each end
  • solid Perfect-Surface Copper+ (PSC+) conductors for super-clean, transparent sound
  • foamed polyethylene insulation for low distortion
  • metal-layer NDS (Noise Dissipation System) shields against RF interference
  • double-balanced asymmetrical cable geometry separates the ground and shield for quieter performance
  • black and brown braided jacket
  • cold-welded, gold-plated pure "Purple Copper" RCA plugs feature a solder-less design for lower distortion
  • warranty: 5 years
  • Our 60-day money-back guarantee
Reviews

AudioQuest Big Sur Reviews

Average Customer Review:

9 Reviews

Superior Quality Stereo Cable

Written by: Nicholas from Buffalo, NY on May 10, 2016

Crutchfield Customer Review (What's this?)

These cable can be a little pricey but are worth the investment. I couple these with a plethora of Audioengine and Pro-ject gear to deliver an exhilarating record listening experience.

Pros: Superior quality

Cons: Price

Great cable

Written by: Steve D. from Aldie, VA on April 22, 2016

Crutchfield Customer Review (What's this?)

I purchased one of these Big Sur 1M RCA male-to-male cables and two 1M RCA male-to-male Golden Gates (next step down from the Big Sur). I'm using all three to connect Logitech Squeezebox digital music players to various receivers in different rooms. The Squeezebox has a very high end Burr-Brown DAC built right in, so I prefer using analog cables rather than rely on a receiver's DAC. The music input source is uncompressed WAV CD rips streamed from a NAS server in the basement with in-wall CAT6 transmission all the way. This is a fine little cable. It's very thin, flexible, and low-key. It clips on nice and tight. Sound quality is excellent. For all applications I was replacing 15-year-old Monster cables that were huge and bulky. Some people say they can't hear a difference between cable types, but some people also say they can't tell the difference between a WAV and a compressed MP3. I figure if I'm dropping several thousand on high-end audio, the least I can do is make sure my analog cables are high quality. Digital cables probably don't matter, but analog RCA does. I put the more expensive Big Sur in our main family room system (Yamaha receiver, Definitive Technology speakers) and the Golden Gates in the basement (Yamaha receiver / Bose and Klipsch speakers) and master bedroom (powered Mackie studio monitors).

Pros: Great sound Peace of mind that your cable isn't the limiting factor in your sound quality Small, compact, single-line

Cons: None

Audioquest Big Sur

Written by: Trevor from Pennsylvania on December 30, 2015

Crutchfield Customer Review (What's this?)

Purchased another Big Sur cable to run from Turntable to Phono Preamp. Now have Big Sur cabling throughout my system. Wanted to keep it consistent. You can hear the difference in my system. I live in the 1-day area for Crutchfield. Meaning that if I buy a product one day - the product is at my door the next business day morning. Sometimes I think if I were to order a pizza and a product from Crutchfield - Crutchfield product would get here before the pizza.

Pros: Quite simply better sound. Years ago I would have told you that you were a fool to *upgrade speaker cable, interconnects, etc. but after reaching a 5K dollar figure for my components, I could hear a difference in sound when swapping out cables.

Cons: My experience is that I generally could not hear the difference of a cable with an entry level system. *I used the Evergreen cable early on and while the music "settled" there really was not a OMG WOW moment. Once I had put a few thousand into upgrading my equipment, I traded the Evergreens out for the Big Sur and got noticeably better sound. I have also put oxygen free copper cabling in place for speaker runs as well replacing Monster speaker cable.

Worth the money

Written by: Brian from Minnesota on July 26, 2015

Crutchfield Customer Review (What's this?)

Upgraded to these from an older set of Monster interconnects - very noticeable improvement on sound clarity.

Pros: Well made and worth the cost when using higher end audio equipment.

Cons: My only frustration is AudioQuest marketing - the number of products with small incremental differences as the cost increases substantially makes it difficult to know the sweet spot of cost/noticeable benefit and which model to buy.

Audio Quest = Big Sur

Written by: Jack D. from Illinois on April 8, 2015

Crutchfield Customer Review (What's this?)

Initially, I thought the RCA cables were so small compared to the other cables I had. However, the sound of the Audio Quest is much clearer, due to less distortion, and less static feed back. In this case, it is not the size of the cable, but the inner components of the cable that make the noticeable difference!

Pros: Excellent interconnects.

Cons: N/A

Good cable

Written by: C from Detroit, MI on December 4, 2014

Crutchfield Customer Review (What's this?)

A noticeable step up from the Audioquest Black Mamba II. Enjoying the cable so far.

Pros:

Cons:

good cable

Written by: pete from chapel hill,NC on May 11, 2014

Crutchfield Customer Review (What's this?)

I like this cable , it sounds fine i have always spent extra on audio video cables and i consider this a good buy

Pros: sounds great

Cons: the left and right cable are not separated so i cant use them for what i originally wanted

Auidio quest bridges and falls edition

Written by: Ivan Escalante from Minneapolis, MN on October 10, 2013

I love Audio Quest, I am a big fan of their cinnamon line of cables, using all cinnamon cables in my theater room. I discovered the new line of "bridges & falls" interconnects. They put the same amount of quality control and engineering into their low end as the do there high end end. Leta face it, many of us are not going to spend $1000 for their Dimond line HDMI cable. But most of us may splurge for many of their others, optical, subwoofer, interconnects. Great company, never had any problems. Designed and made in USA. what more to ask from them... anyway the new bridges and falls line combined both interconnects in the same line, saving them money and passing it to us the consumer. I love them, cant wait to see whats next. Thanks, Ivan in MPLS

Pros: Pro quality, best materials, warranty

Cons: Expensive

Big Sur Analog IC's

Written by: Chuck from Buchanan, Ga. on July 19, 2013

Crutchfield Customer Review (What's this?)

Five Stars so far! Only time will tell the rest. I'm in the process of replacing some older, longer interconnects. When it comes to cables I believe in the "Do No Harm" company. I'm not comfortable spending big money for questionable claims, nor am I comfortable with using ic's that may or may not be up to the task at hand. The one meter Big Sur fits my budget and application. I'm using one for dac out to pre. I purchased second one for the newly arrived Denon 720 network player. The best hardware is never heard! It's only the messenger.

Pros: They appear to be value oriented interconnects at a price that won't cause me to lose sleep.

Cons: No downside for me.

Details

Hands-on research

What's in the box?

  • 3-Meter stereo RCA cable

Product Research

Features

Big Sur Series Stereo RCA Cable: The AudioQuest Big Sur stereo RCA cable is terminated by a gold-plated male stereo RCA connectors on each end. The AudioQuest Big Sur stereo RCA cable is available in the following lengths.

  • 0.6 meter (2')
  • 1 meter (3' 4")
  • 2 meter (6' 7")
  • 3 meter (10')
  • 5 meter (16' 5")

Solid Perfect-Surface Copper+ Conductors (PSC+): Perfect-Surface Copper+ has an astonishingly smooth and pure surface. Proprietary metal-processing technology protects the wire's surface at every stage of drawing and fabrication. When high-purity low-oxide copper is kept as soft, pure and smooth as possible, it becomes a wonderfully low-distortion PSC+ conductor. PSC+ is manufactured by applying the same exceptional technology to an ultra-pure copper. The resulting sound quality is even more focused and simply less in the way. All of Big Sur's conductors are solid. Electrical and magnetic interaction between strands in a conventional cable is the greatest source of distortion, often causing a somewhat dirty, harsh sound. Solid conductors are fundamental toward achieving Big Sur's very clean sound.

Foamed-Polyethylene Insulation: Any solid material adjacent to a conductor is actually part of an imperfect circuit. Wire insulation and circuit board materials all absorb energy (loss). Some of this energy is stored and then released as distortion. Big Sur uses air-filled Foamed-Polyethylene Insulation on both conductors because air absorbs next to no energy and Polyethylene is low-loss and has a benign distortion profile. Thanks to all the air in Foamed-PE, it causes much less of the out-of-focus effect common to other materials.

Metal-Layer Noise-Dissipation System (NDS): 100% shield coverage is easy; preventing captured RF Interference from modulating the equipment's ground reference requires AQ's Noise-Dissipation System. Noise-Dissipation System prevents a significant amount of RFI from reaching the equipment's ground plane.

Double-Balanced Asymmetrical Geometry: Purposely designed for single-ended applications, Double-Balanced Asymmetrical Geometry offers a relatively lower impedance on the ground for a richer, and more dynamic experience. While many single-ended cable designs use a single path for both the ground and the shield, Double-Balanced designs separate the two for cleaner, quieter performance.

Cold-Welded, Gold-Plated Pure "Purple-Copper" Plugs: This plug design allows for a connection devoid of solder, which is a common source of distortion. Because the ground shells are stamped instead of machined, the metal can be chosen for low distortion. Purple-Copper offers a cleaner, clearer sound than the nickel-plated or OFHC metals commonly found in competing manufacturers' plugs.

Directional: Arrows on the connectors indicate the preferred signal path from the source component to the input.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

I have old cords and wanted to upgrade. After reading the description, I decided this would be the best connection. [ Paula  Apr 04, 2016 ]
I like audio quest and realized the ones I ordered yesterday were too short. [ Chris  Mar 29, 2016 ]
Picked on Kevin's recommendation [ Gary  Dec 19, 2015 ]
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Better shielding, insulation, and connectors for even better sound quality

The AudioQuest Sydney offers these features:

carbon-based, 3-layer NDS (noise dissipation system) to better shield against RF interference

polyethylene air-tube insulation lowers distortion for less of the "out-of-focus" effect common to other insulation materials

direct silver-plated connectors for better transparency