Shipping Advisory: Please note that orders submitted between December 19 and January 2 may experience extended transit times. Thank you for your cooperation.

z Account

Sigma 170i Integrated Amplifier

Have questions about this product?

We love answering questions. Talk to an expert now.

FREE SHIPPING

on all e-commerce orders over $100

TECH SUPPORT

Always Included

Experience the pinnacle of tube amplification with VAC's Sigma 170i, featuring the revolutionary iQ Continuous Intelligent Automatic Bias System—a world-first technology that maintains optimal output tube performance across all operating conditions. This sophisticated bias management delivers enhanced clarity and dynamic range while simultaneously reducing distortion and noise floor. The iQ System extends tube longevity and safeguards your amplifier's integrity, eliminating the traditional maintenance concerns associated with tube-based designs. The Sigma 170i represents the ideal convergence of integrated amplifier convenience and authentic tube sonics, offering audiophiles the warmth and musicality of valve amplification without the operational complexity.

 

Wattage

85 watts/channel

Power Bandwidth

13 Hz to 70 kHz

Inputs

Four line level inputs plus one Cinema Bypass input
Optional balanced input on Input 4
Optional MM/MC phono on Input 1

Outputs

Connections to precisely match loudspeaker loads of 4, 8 and 16 ohms

Tubes

4x KT88

5x 12AU7A

1x 12AX7A

Voltage

May be factory-configured for operation at 100, 120, 220, or 230/240 volts

Power Cord

Detachable power cord, standard IEC power receptacle

Remote Control

Volume & Mute, included

Finish

Hand-rubbed gold-flake gloss black lacquer fascia with chrome knobs standard.

Hand-rubbed metallic gloss silver lacquer fascia with chrome knobs special order with additional cost.

Warranty

Two years parts and labor, excluding tubes (USA, see manual for full details)

Dimensions (H x W x D)

8 x 18 x 17.3 in. (203 x 457 x 440 mm.)

Shipping Weight

71 lbs. (32 kg.)

Phono option:

Gain

37 dB MM
57 dB MC

Frequency Response

RIAA +/‑ 0.2 dB

Residual Noise

3 mV at output (S/N ratio approx. 69 dB)

Overload

117 mV @ 1 kHz = 8 volts RMS output; 460 mV @ 10 kHz

Variable loading

Yes for MC

Tubes

2x 12AX7A

*Specifications subject to change without notice.

Search

z