Synergistic Research Foundation SX Speaker Cable

$125.00

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Synergistic Research Foundation SX Speaker Cable

Foundation SX Speaker Cable combines pure silver Air String geometries with parallel heavy-gauge High Current Copper Air Strings, delivering low-frequency extension and control alongside high-frequency detail and natural soundstaging. It uses a UEF Compound first developed for Synergistic Research's flagship SRX cable loom for a lower noise floor than the original Foundation Series, and is treated with the same Long Duration High Voltage Conditioning Process used on SRX cables. Included Gold and Purple Carbon Tuning Discs let you custom-voice the cable to your system, or run it straight. As an authorized Synergistic Research dealer in Toronto, Canada, Vinyl Sound can help you match this speaker cable to your amplifier and speakers.

Key Features

  • 4x Silver Air Strings, 99.9999% pure monocrystalline silver conductor
  • 4x High Current Copper Air Strings, 99.95% pure copper conductor
  • Air (sealed) dielectric
  • Silver Braid shield, Quantum Tunneled, SRX Matrix Shielding with Graphene
  • SRX Long Duration High Voltage Conditioning treatment
  • Included Gold and Purple Carbon Fiber UEF Tuning Discs
  • SR BoFA Banana or SR Silver Spade connectors

Carbon Tuning Discs

Foundation SX ships with Carbon Fiber UEF Tuning Discs for further voicing:

  • Gold — flesh out rich harmonics with a clarifying effect for a more lifelike, holographic presentation
  • Purple — enhanced clarity and soundstage extension beyond what Gold provides

Technical Specifications

Silver Air Strings 4x, 99.9999% pure monocrystalline silver conductor, 8 separate conductors
Copper Air Strings 4x High Current, 99.95% pure copper conductor, 8 separate conductors
Dielectric Air (sealed)
Shielding Silver Braid, Quantum Tunneled, SRX Matrix Shielding with Graphene
Connectors SR BoFA Banana or SR Silver Spade
Tuning discs included Gold and Purple Carbon Fiber UEF Tuning Discs
Point-to-point connections 16 hand-soldered
Silver solder content 4%
Hand-build time 2 hours
Burn-in 5-day, 2-step process
Standard length 8 feet per pair (additional length built to order)

Frequently Asked Questions

How does this compare to Foundation XL Speaker Cable?
Foundation XL doubles the Silver Air String count over Foundation SX (8 vs 4) and steps up to SRX XL Matrix Shielding with SRX XL High Voltage Conditioning, bringing its voicing closer to the flagship SRX XL line.

Can I bi-wire my speakers with Foundation SX?
Yes, Synergistic Research's Integrated Frequency Termination (IFT) technology avoids the phase distortion of traditional bi-wiring — see Foundation XL IFT Jumpers for a bi-wire jumper option.

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