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SRX XL Series Power Cable

SRX XL Power Cable.

We were curious what would happen if we took our highest-performance power cord, the SRX, and scaled up the number of its internal hand-made air-dielectric pure silver high-current geometries. So we added 2 additional pure silver 14 gauge high current geometries and 2 additional pure silver AirString geometries to make our highest gauge power cord entirely over the top where high conductive pure silver conductors in an air dielectric are concerned. Not surprisingly, this took the SRX’s industry-leading dynamics to a whole new level. It also improved nearly all aspects of its performance, including soundstaging, lower noise floor, and increased high-frequency extension with added smoothness for a high-current power cord like no other. We did not, however, expect this to be a new benchmark for all AC applications in a system, from low to moderate-current-demand components like pre-amps and DACs to high-current-demand components like power amplifiers and our PowerCell line conditioners. And we accomplished a new benchmark in performance without compromising SRX XL‘s flexibility, so it’s easy to connect, even in tight spaces, like behind your rack or furniture. To discover how transformational this new power cord is, audition SRX XL your system today. And if you already have a complete loom of SRX power cords in your system, ask your dealer or distributor how you can take advantage of our Lifetime Passport Protection Plan, where you receive a 70% trade-in allowance for your existing SRX power cords toward a new loom of SRX XL power cords. Of course, you can audition risk-free to gauge the improvements these exceptional power cords can affect in your system.

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SRX Cable Series Awards

What’s Inside?

Additional SR25 technologies include a pure silver Ground Plane that can be connected to our Active Ground Block for a lower noise floor and added holographic sound staging and dynamic impact and a Swiss Made power supply developed to optimize the pure silver EM Cells. SRX XL has the exact same wall and IEC connectors developed for the SR25 made from Carbon Fiber and special Rhodium contacts selected in blind listening tests for their perfect sonic balance within the sound of the cable itself. Each SRX XL power cord comes with two carbon fiber UEF Tuning Modules specially voiced for the SRX series so you can strike the perfect balance between detail and musicality for your system. To voice SRX to your system listen to the Gold (warm) and the Silver (detail) bullet and select the option that makes music in your system. Needless to say, this is the most holographic, lowest noise floor and dynamic and musical power cord in our line-up. This power cord is exceptionally well suited for use with our PowerCell 12SE line conditioner as just one SRX can improve the performance of your PowerCell and this improves every connected component in your system. 

SRX + Master Carbon Cable Tuning Modules

Redefining Refinement

Now with Master Tuning Modules ($850/pair MSRP). SRX Cables come standard with the most potent and musical UEF Tuning Bullets in our company’s 30-year history and work 100% outside the signal path. Both Gold and Silver bullets are handcrafted in our Southern California Factory from carbon fiber and aircraft aluminum with the Gold option plated in 24k Gold not only for aesthetic beauty but also to help voice the bullet to its intended role as the most musical option for specific systems. To use SRX Carbon Fiber Tuning Modules, allow your SRX cables to settle into your system for 48-72 hours, and then experiment with your two options on a cable by cable basis. Start by inserting a Gold Bullet and then compare to the Silver option and select the variant that makes music in your system. Gold Bullets have a warm and liquid balance that is also more open and transparent than our other warm-biased tuning bullets. While Silver is more extended and detailed but the option that will work best and sound neutral is totally system dependent. If you voice your SRX cables one pair at a time, you will find one color that works best in most applications, plus a few that perform better with the alternate option. This process is how you will get the best from both Gold and Silver bullets when arriving at a bespoke cable loom voiced for your unique system.

 

Master Tuning Module’s Sonic Characteristics:

  • Greater Air and Detail
  • Musicality
  • Liquid Smoothness

Gold Tuning Module’s Sonic Characteristics:

  • Greater Musicality
  • Greater Liquid Smoothness
  • Air and Detail

Active Electromagnetic Cell

A Cable…and a Power Conditioner.

UEF Ground Plane

UEF Ground Plane.

SRX Carbon fiber connectors

SR25 Rhodium Carbon connectors.

A/C Cables also available in these Wall Plugs

Schuko

CEE 7/7 (Type F)

United Kingdom

(Type G)

UK Plug with Purple Fuse
+ additional $150 MSRP

Upgrade Purple Fuse to Master Fuse
+ additional $250

Australian

(Type I)

SRX XL for PowerCell 12 UEF

Unequaled Power.

SRX XL AC Cable specifications:

MSRP

$13,000 / 6ft.

$1,200 per addl. foot

Construction:

  • Each SRX XL AC Power Cable is made from 14 seperate power cables - 6 each High Current Pure Solid Silver Strings, 4 Pure Silver Air Strings, 2 each Pure Silver Air Ribbons, 1 each Pure Copper Mesh Ground Plane, 1 each Pure Copper Active Shield.

 Dimensions:

  • Standard 6 and 8 ft. lengths

6 each 14 awg. 99.9999% Pure Silver High Current:

  • Dielectric: PTFE Air (Sealed)
  • Shielding: Active Shielding Technology
  • Geometry: 2 Channel
  • Listened to determine signal direction before build 

 4 Each Silver Air String:

  • Silver Air Strings: 99.9999% pure mono crystal silver conductor  
  • Dielectric: PTFE Air (sealed)
  • Shielding: Active Shielding Technology
  • Geometry: 2 Channel
  • Listened to determine signal direction before build

2 each Pure Silver Air Ribbons :

  • 99.9999% pure silver conductor
  • Dielectric: PTFE Air (sealed)
  • Shielding: Active Shielding Technology
  • Geometry: 2 Channel
  • Listened to determine signal direction before build

1 each Pure Copper Ground Mesh :

  • UEF Ground Plane Technology
  • 36 square inches per 6 ft. length

Shielding :

  • UEF Active Shielding 3rd generation,
  • UEF Active EM Cell
  • Swiss Made Power Supply
  • SR Quantum Capacitors
  • Point to Point Wiring
  • Silver Solder 4%

Quantum Tunneling:

  • Custom

5 Day burn in :

  • 3 Step process

Voltage and current rating :

  • US: 20amp/125v
  • International (EU/AU/UK): 16amp/250v

Shielding :

  • UEF Active Shielding 3rd generation,

each SR 25 UEF Folded Electro-Magnetic Cells:

  • Pure Copper Foils  
  • UEF: Graphene treated pcb
  • Dielectric: PTFE
  • Shielding: Active Shielding Technology
  • Housing: Carbon Fiber Cylinder

each SR 25 Active Shielding UEF Cell:

    • Modified Swiss-made DC bias Power Supply  
    • UEF: Graphene treated pcb
    • SR Quantum Capacitors
    • Dielectric: PTFE
    • Shielding: Ground Plane Technology
    • Housing: Carbon Fiber Cylinder

each SR 25 UEF Ground Plane:

    • Pure Copper Foils  
    • UEF Graphene
    • Dielectric: PTFE
    • Conductive Carbon Fiber Ground Sleeve

1 each Black SR25 UEF Active Module:

  • Completes Active bias circuit 

1 each Gold SR25 UEF Tuning Passive Module:

  • Optional voicing for increased warmth, liquidity 

1 each Silver SR25 UEF Tuning Passive Module:

  • Optional voicing for maximum information and refinement. 

Connectors:

  • Connector Input US: 1 each Synergistic Research G08 Pure Rhodium
  • Connector Input Int’l: 1 each Synergistic Research G08 Pure Rhodium Schuko 
  • Connector Output US: Synergistic Research G08 Pure Rhodium IEC 15 amp and 20 amp connectors 
  • Connector Output Int’l: Synergistic Research G08 Pure Rhodium IEC 15 amp and 20 amp connectors

 Build Notes:

    • 36 point-to-point hand soldered connections
    • Hand laminated layers of Silver Ribbon, PTFE Film and Copper mesh
    • Folded Hot and Neutral Electro-Magnetic Cells added before Power Supply
    • UEF Ground Plane Sleeve added to EM Cells 
    • Additional UEF Ground Plane added to power supply 
    • SR25 UEF Treatment: UEF with Graphene added to entire cable
    • 1 Termination for SR25 Active Tuning Module (Black)
    • 1 Termination for SR25 UEF Passive Tuning Modules (Gold and Silver)
    • Silver Solder: 4%
    • Quantum Tunneling: Before the Active power supply is incorporated all connections and cabling are treated with 1,000,000 volts of electricity at specific frequencies and pulse modulations, creating a canal in the conductor material and contact points at the molecular level that lets electrons to flow more freely. This also allows the “Active Shielding” to work more efficiently yielding the maximum amount of low level information through the conductors and provides for the highest amount of realism in your music
    • 5 day Burn-in: 2 step process
    • 100% Hand Crafted in our California factory

Lifetime Passport Protection Program

Trade-up.

Receive up to 70% of the value of your old cables toward SRX XL Power Cables, through the Synergistic Research Lifetime Passport Protection Program. Contact your dealer to discuss customized trade-up options.

Example:

Trade-in (3) SRX power cables for a 70% credit.

Purchase (3) new SRX XL power cables
+
PowerCell SX
Galileo Active Ground Block MK II
Ethernet Switch UEF
Network Router UEF
($61,280 Value)

Lifetime Passport Protection Program

Calculator.

 

 

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SRX Cable Series Reviews

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[They are] exceedingly realistic sounding, capable (with the best sources) of fooling you into thinking you are in the presence of actual musicians. Not only do they reproduce timbre with lifelike density; they also reproduce the dynamic/harmonic envelope (from starting transient through steady-state tone to decay) with lifelike duration, without adding, for instance, “zip” or ringing to hard transients, sibilance to frictatives of higher pitch or amplitude, or smearing to decays. This is the very essence of “completeness”—and the reason why you can not just readily visualize singers like Sinatra on Sinatra at the Sands through both wires; you can also tell the way he is using his mic (like that geisha fan he compared it to) to shape, punctuate, and convey the emotional power of his delivery.

[They] are superb imagers and soundstagers; [they] reproduce the dynamic range of recordings with high accuracy; [they] are astonishingly realistic sounding with great tapes, LPs, and streams; and both lower noises and colorations to unprecedented levels.

So…where does that leave you?

Well, to begin with you’ve got to be rich to afford either one of these extraordinary looms of wire. However, for what it is worth, SRX is a good deal less expensive than Da Vinci (e.g., an eight-foot pair of SRX speaker cable costs $29,995; a two-meter pair of Da Vinci speaker cable is a staggering $46,500). If a $16.5k difference means anything to you (and if it doesn’t, my congratulations), then I’d certainly opt for the SRX.

Jonathan Valin, The Absolute Sound, Jan 2023

Full Review >

Once connected to my Powercell and burned in for just over a week, I sat down and listened to my standard digital file set list for an initial evaluation. I have been using this group of tracks for well over five years and without much change.  Typically, I bounce through the first dozen or so just to get a feel for what to expect. This time, I was immediately locked into each track from beginning to end and without interruption for several hours of listening. I cannot remember this ever happening before.

Why? Well, I could talk about the deeper blacker noise floor, the expansion of the sound stage in all directions, the holographic pinpoint imaging, and the rich full bodied textures, but there was something so fundamentally different with the SRX in place that I could just not skip through the music as usual"

....The Synergistic Research SRX power cord has me rethinking my entire system configuration and performance. When only one SRX power cord was used with the Synergistic Research PowerCell 12 UEF SE power conditioner to drive my entire system there was a clear correctness of presentation that had not previously been realized. I can only imagine what might happen if I used the SRX for all my components! Caveat emptor. Never say never. If you audition the SRX, you may never go back.

Robert Youman, Positive Feedback, August 2019

Full Review >

Synergistic Research’s complex and difficult-to-manufacture SR25 Limited Edition power cord so stunningly demonstrates the relationship between high-quality power and high-quality sound that it may represent the apotheosis of power-cord design. When I said that the SR25 transformed virtually every aspect of my system’s sound, I wasn’t exaggerating. It was difficult to believe that these improvements were caused by a single power cord, or that my system already contained a high-end power conditioner and cords. Once again, Ted Denney has proven that the simplest circuit is not necessarily the best sounding. Twenty large -- enough to buy a new Honda Civic -- is a very great deal to pay for a power cord, and most can’t pay it at all. The audiophile masses will take solace in the technologies that I hope will eventually trickle down from the SR25.

Can a $20,000 power cord constitute a bargain? It can, if it delivers a greater improvement in sound than you’d get from spending an extra $20,000 on, say, a six-figure power amp. However, expanding on Ted Denny’s point that a power conditioner can feed every active device in an audio system, I recommend starting with Synergistic’s PowerCell 12 UEF SE conditioner ($6495/120V), which provides the most bang for the buck. But if you choose to forgo the kids’ college educations for the silver-laden SR25, be prepared to experience what could very well be the state of the art of power delivery.

Howard Kneller, Soundstage Ultra, September 2018

Full Review >

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