Shunyata Research Sigma-X Bi-Wire Speaker Cable | Reference Bi-Wire Cable
Shunyata Research Sigma-X Bi-Wire Speaker Cable brings the Sigma-X speaker-cable platform to loudspeakers designed for bi-wire termination. It uses 6-gauge VTX-Ag conductors, fluorocarbon dielectric materials, dual TAPc modules, dual HARP 20 modules, and four days of KPIP v2 processing, with gold/copper fixed or STIS v3 terminal options.
Choose the Bi-Wire version when your speaker's terminal layout calls for separate high- and low-frequency connections from a single amplifier channel. For conventional two-terminal speakers, use the standard Sigma-X Speaker Cable.
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Who is Sigma-X Bi-Wire best suited for?
Reference loudspeakers designed for separate high- and low-frequency terminal connections from a single amplifier channel.
Bi-Wire vs. standard Sigma-X
Choose Bi-Wire when the loudspeaker is intended to be wired to two terminal sections. Use standard Sigma-X for conventional single-wire connections.
Technology
Sigma-X Bi-Wire uses the Sigma-X speaker platform with Shunyata technologies for conductor geometry, electromagnetic control, audio-frequency current resonance control, dielectric performance, termination flexibility, and conductor conditioning. It uses 6-gauge VTX-Ag conductors, dual TAPc modules, dual HARP 20 modules, fluorocarbon dielectric materials, and KPIP v2 processing.
TAPc
Patent-pending Transverse Axial Polarizer technology couples to electromagnetic fields surrounding conductors and is designed to reduce electromagnetic distortion. Sigma-X Bi-Wire uses dual TAPc modules with 100 elements.
HARP
HARP addresses current drift and audio-frequency current resonances that can occur in speaker cables. Sigma-X Bi-Wire uses dual HARP 20 modules.
VTX-Ag
VTX-Ag conductors combine a pure-silver center core with an outer concentric ring of pure copper. Sigma-X Bi-Wire uses this geometry in a 6-gauge configuration.
Fluorocarbon
Fluorocarbon dielectrics offer very low dielectric absorption, high dielectric strength, and strong heat resistance.
KPIP v2
Shunyata Research's proprietary Kinetic Phase Inversion Process is applied to conductor and terminal metals. Sigma-X Bi-Wire receives four days of KPIP v2 processing.
STIS v3
STIS v3 is Shunyata's interchangeable terminal system using solid-copper terminals. Sigma-X Bi-Wire is available with STIS v3 or fixed gold/copper terminal options, depending on configuration.
Specifications
Conductors: VTX-Ag
Gauge: 06
Dielectric: Fluorocarbon
Terminals: Gold/copper fixed or STIS v3
TAPc: Dual module / 100 elements
HARP: Dual 20
Standard length: 2.50 m
Color: Black flex
KPIP v2: 4 days
HiPOT: 1,200 VAC
Choice Audio guidance
Confirm your loudspeaker's binding-post layout before ordering. Bi-wire and bi-amp are not interchangeable terms; contact Choice Audio if you want us to verify the correct cable configuration.
Frequently asked questions
Is this for bi-amping?
This listing is for the bi-wire cable configuration. Confirm your system topology before ordering.
What is the standard length?
2.50 meters.
What conductors are used?
6-gauge VTX-Ag.