Atmosphere Series Speaker Cables

Level 4

When you sit down to listen to your sound system, you want to feel the emotion of your music and enjoy the sum of everything you’ve invested. Atmosphere Level 4 Speaker Cables with 4x Pure Silver Air Strings provide you layers of refined detail, while 2x Tricon cable geometries increase holographic sound-staging to immerse you in the music. Beautifully handcrafted and individually sheathed for superior vibrational isolation and flexibility these cables exhibit extraordinary levels of refinement and dynamics. All Atmosphere cable technologies are present in Level 4 including the more complex Type 2 UEF Graphene Inductive Cell to filter signal outside-the-signal-path inductively with UEF Technology and Graphene for near super conductor performance. Eight geometries in parallel individually UEF and Graphene Shielded connect to an SR Ground Block compatible UEF Ground Plane for music that emerges from a black silent background. System matching is also state-of-the-art with both the RED UEF Tuning Module for warmth and bloom and a BLUE UEF Tuning Module for air and fine detail. In systems combining both Level 4 interconnects and speaker cables you can mix and match BLUE and RED UEF Tuning Modules for a custom system match that takes the best from both filters to compliment your unique system.

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UEF Cell and Blue Tuning Bullet

Redefining refinement.

Lear more about the UEF Cell


Atmosphere Level 4 interconnects and speaker cables integrate the same 
Patent-Pending UEF Cell technology used in our Flagship Galileo UEF series. Within Carbon Fiber enclosures, these Unified Energy Field Cells are comprised of precious metal foils with Teflon and Japanese Silk dielectrics. UEF components, including Graphene, are applied directly to the signal and shields, lowering the noise floor and allowing the musical information to move through the cable unimpeded by spurious interference and signal reflections. The result is music that is uncompressed, visceral, and live.

Red and Blue Tuning Bullets

Preference is key.

Learn more about Tuning Modules

UEF Tuning Modules are connected to Atmosphere Level 4 cable shields and work outside the signal path to contour the sound of your cables by changing the way your cables resonate. By altering the relationship between signal and ground resonance you take control of the sonic balance of your cables and in the process, the overall sound of your system. 

Atmosphere Level 4 Interconnects come with a Red and Blue Tuning Module.

RED Tuning Module’s Sonic Characteristics:

  • Warmth
  • Liquidity
  • Musicality

BLUE Tuning Module’s Sonic Characteristics:

  • Refinement
  • Detail
  • Focus

Atmosphere Level 4 Speaker Cable Specifications:

Global MSRP
US $4,995.00/8ft Pair

4 each High Current Silver Matrix 2nd Gen:

  • Silver Copper Matrix: separate ground conductor from shield
  • Dielectric: Modified Polyethylene 
  • Shielding: Silver Mylar - Quantum Tunneled
  • Listened for Signal Direction before build

4 each Tricon  4th Gen:

  • Silver Copper Matrix: Monocrystal conductors with a separate ground conductor from shield
  • Dielectric: Teflon
  • Shielding: Ground Plane Technology
  • Geometry: Tri-axial
  • Listened for signal direction before build 

4 each Silver Air String:

  • Silver Air Strings: 99.9999% pure monocrystal silver conductor  
  • 4 separate conductors RCA / 8 separate conductors XLR
  • Dielectric: Air (sealed)
  • Handmade in our California factory

Geometry Count:

Each Channel of Level 4 Speaker Cables are actually 2 separate runs of Silver Matrix Alloy 2nd Gen cables plus 2 separate runs 99.9999% Silver mono filament in PTFE air sealed dielectric plus 2 separate runs of Tricon 4th Gen cables.

2 each UEF Cell:

  • UEF: Graphene Silver Ribbon 99.9999% pure monocrystal silver conductor  
  • UEF: Graphene Copper Ribbon
  • Dielectric: Japanese Silk
  • Shielding: Ground Plane Technology
  • Housing: Carbon Fiber 

2 each Red Tuning Module:

  • Optional voicing for increased warmth, liquidity 

2 each Blue Tuning Module:

  • Optional voicing for increased refinement, detail and focus  

SR BoFa Banana and SR Silver Spade Connectors: 

Build Notes:

  • 36 point-to-point hand soldered connections
  • Individual EXP Isolated cable geometries for improved vibrational isolation of each geometry
  • Atmosphere UEF 4 Treatment: 2 different UEF coatings with Graphene are applied to UEF Cell, connectors and cabling and ground significantly reducing the noise floor and allowing a purer signal to transfer with less grain providing more warmth and detail. The conductors and ground plane and UEF Cell also benefit from dampening effect that UEF provides
  • 1 Termination for Atmosphere Tuning Module (Red) and (Blue)
  • Ground Plane Termination
  • Silver Solder: 4%
  • Hand build time: 4.0 hours
  • Quantum Tunneling: After the cable is completely assembled 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 allows electrons to flow more freely. This allows 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
  • Handmade in our California factory

SR Ground Block (optional):

Atmosphere Level 4 Speaker Cables have shields that can be grounded direct to earth with supplied ground cables bypassing your component’s power supplies for a lower system noise floor.

  • To improve performance further still use an optional SR Ground Block with its UEF Ground Filter to elevate overall system performance; not only can you star ground and UEF filter the shields on all Galileo UEF interconnects and speaker cables in your system, but can also ground all of your system’s components to the Ground Block for a dramatic lowering of your system’s noise floor for greater detail, clarity and musicality.

      Ground Block

      This goes to 11.

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      Review
      Review
      Review
      “I just couldn’t find a flaw in the SR Atmosphere speaker cables”
      "Once you have heard the difference these speaker cables can make to your system, you cannot un-hear it"
      “Better sound for less money from the same manufacturer? My goodness, how often does this happen?”
      Award
      Award
      “First, compared to the Elements, the Atmospheres had a naturally warmer, more organic, and harmonically fuller sound that lacked the older cables’ relatively sharp edges.”
      "Synergistic Research cables and devices, was absolutely thrilling, with tremendous dynamic impact, presence, and detail"

      Integrated Frequency Transmission (IFT)

      A Better Way to Bi-Wire

      CORE UEF

      Starting $299.00/5ft
      Silver/Copper Matrix Conductor
      Modified PE Dielectric
      Silver Mylar Shielding
      Silver / Gold Plated Connectors
      1,000,000 volt Quantum Treatment
      UEF with Graphene
      Hand build time 1.5 hours
       
       
       
       
      Atmosphere Level 1
      $895.00/8ft
      4 each 2nd Gen-Silver Matrix Conductor
      Modified PE Dielectric
      Silver Mylar Shielding
      SR Silver / Gold Plated Connectors
      1,000,000 volt Quantum Treatment
      UEF Level 2, with Graphene
      Hand build time 2 hours
       
       
       
       
      Atmosphere Level 2
      $1,295.00/8ft
      4 each 2nd Gen-Silver Matrix Conductor
      2 each 99% Pure Silver Air String
      Air sealed, Teflon Dielectric
      Silver Mylar Shielding
      SR Silver / Gold Plated Connectors
      1,000,000 volt Quantum Treatment
      UEF Level 3, with Graphene
      Hand build time 2.5 hours
      UEF Ground Plane Technology
       
       
       
      Atmosphere Level 3
      $3,500.00/8ft
      4 each 2nd Gen-Silver Matrix Conductor
      4 each 4th Gen-Tricon Conductor
      4 each 99% Pure Silver Air String
      Air sealed, Teflon Dielectric
      Silver Mylar Shielding
      SR Silver / Gold Plated Connectors
      1,000,000 volt Quantum Treatment
      UEF Level 3, with Graphene
      Hand build time 3 hours
      UEF Ground Plane Technology
      Red UEF Tuning Module
       
       
      Atmosphere Level 4
      $4,995.00/8ft
      4 each 2nd Gen-Silver Matrix Conductor
      4 each 4th Gen-Tricon Conductor
      4 each 99% Pure Silver Air String
      Air sealed, Teflon Dielectric
      Silver Mylar Shielding
      SR Silver / Gold Plated Connectors
      1,000,000 volt Quantum Treatment
      UEF Level 4, with Graphene
      Hand build time 4 hours
      UEF Ground Plane Technology
      Red and Blue UEF Tuning Module
      Individually Shielded Geometries
      UEF Carbon Fiber Cell

      Galileo UEF

      $15,000.00/8ft
      High Current Galileo String Conductor
      4th Gen-Tricon Conductor
      99% Pure Silver Air String
      99% Pure Tungsten Air String
      Air sealed, Teflon Dielectric
      Silver Mylar / Silver Braid Shielding
      SR Silver / Gold Plated Connectors
      1,000,000 volt Quantum Treatment
      UEF Level 5, with Graphene
      Galileo UEF Ground Plane Technology
      Silver and Gold Galileo UEF Tuning Module
      Individually Shielded Geometries
      Galileo 2nd Gen UEF Cell
      Hand Build Time - 10 hours
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