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    Sigma 170i Integrated Amplifier

    Sigma 170i Integrated Amplifier

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    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.

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