Shunyata Research
Shunyata Sigma-X Power Cable
Shunyata Sigma-X Power Cable
Sigma-X moves to 6 gauge VTX-Ag conductors in a 1 inch tube with CopperCONN carbon fiber connectors at both ends. Three versions: QR, with the patented QRBB charge-reserve circuit, NIC noise isolation chamber and two TAPc polarizers, built for power amplifiers; NR, with the noise filter and TAPc for sources and preamplifiers; and XC, the unfiltered cable with TAPc for the feed to a distributor. Standard color is black with charcoal carbon.
Specifications
| AC connector | CopperCONN, carbon fiber |
|---|---|
| Color | Black flex |
| Conductors | VTX-Ag |
| Construction | 1 inch tube |
| Dielectric | Fluorocarbon |
| Gauge | 6 |
| IEC connector | CopperCONN, carbon fiber |
| KPIP v2 processing | 4 days |
| Made in | Poulsbo, Washington, USA |
| Noise reduction | QR and NR: more than 6 dB at 1 MHz. XC: none |
| Series | Sigma-X |
| Standard length | 1.75 m |
| Technology | QR: QRBB, NIC, two TAPc. NR and XC: two TAPc |
Lengths and pricing
| Model | 1.75 m | 2 m | 2.5 m | 3 m | Each additional 0.25 m |
|---|---|---|---|---|---|
| Sigma-X NR | $4,000 | $4,190 | $4,570 | $4,950 | +$190 |
| Sigma-X XC | $4,000 | $4,190 | $4,570 | $4,950 | +$190 |
| Sigma-X QR | $6,500 | $6,750 | $7,250 | $7,750 | +$250 |
Prices are per cable with a US plug and either a C15 or C19 IEC at the same price. Shorter cables are priced the same as the standard length. Other plugs are quoted; ask us.
Call or visit the showroom about availability. Contact our team for pricing, a demonstration, or system design — get in touch.

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