CES 2016 Press Center
VAC Phi 170 Tube Amplifier With iQ Continuous Automatic Bias System

  The all new VAC Phi 170 ($9900) at first glance may seem like a normal 85 watt per channel stereo amplifier. Sure, it can be switched into a 170 watt monoblock, and it has a fully balanced input mode too, yet the real breakthrough is inside! For the VAC Phi 170 is equipped with the company's revolutionary patented iQ Continuous Automatic Bias System. VAC's iQ is the only system able to hold each output vacuum tube's true underlying idle current perfectly steady at all times. Say goodbye manual adjustment, bias drift, thermal tracking effects, runaway tubes, and blown fuses. Say hello to more detail, increased extension and punch, lower noise, less distortion, and high reliability. It will even tell you when it's time to replace weak tubes! The Phi 170 with iQ System provides superior sound... only from VAC! Specifications are as follows:

Vacuum tube power amplifier with transformer coupled output
VAC iQ Continuous Automatic Bias System
Class A1 triode input and driver stages
Direct coupled input and driver stages
Frequency response is from 4 Hz to 71 kHz (+0/-3 dB)
Residual Noise is typically >95dB below rated output
Input impedance is 200k Ohms stereo balanced and 100 Ohms unbalanced
Gain is30dB stereo balanced and 31dB mono balanced
Vacuum tube compliment is four type 6SN7 and four type KT88
Compatible with KT120 and KT150
Low feedback design (6dB)
12 volt trigger
Detachable power cord, IEC receptacle
Switch settings for fully balanced XLR or unbalanced RCA input
Stereo or mono operation
Power Output is 85 watts/channel stereo or 170 watts mono
Loudspeaker taps include 1 to 2 Ohms, 2 to 4 Ohms and 4 to 8 Ohms
Connectors are Cardas rhodium RCA jacks and Neutrik XLR jacks
Cardas rhodium loudspeaker binding posts
Dimensions are 17.8" x 14.2" x 8.5" (WxDxH)
Weight is 68 lbs.

Learn more at www.VAC-Amps.com as they build some of the world's finest audio components.

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