Introducing the new VAC Sigma 170i, the world’s only integrated amplifier with the  patented iQ Continuous Intelligent Automatic Bias System. The iQ System holds the true idle point of the output tubes perfectly steady under all conditions, increasing detail & dynamics, lowering distortion & noise, prolonging tube life, and protecting the amplifier. Integrated amplifiers are a great lifestyle choice, and VAC lets you have all of the benefits of tubes without the worry.


    Pure vacuum tube audio circuitry

    85 watts/channel into 4, 8, and 16 ohm speakers

    Cinema bypass mode for tie in to home theater

    Remote control

    True Class A triode tube line stage

    Pure analogue volume control

    Four inputs

    Optional MM/MC phono with adjustable MC loading

    Optional balanced input

    Available glass/machined aluminum cage

    Fascia available in black or silver metal flake paint

    Hard chrome knobs and iQ display bar

    Gold Lion KT88 output tubes

    Premium Cardas RCA & speaker connectors

    Hand made in the United States by VAC


Coming Soon