VAC•1 High Current Power Supply


Upgrade your CI Audio source components with the VAC•1.This power add-on brings improved bass definition, dynamics and noise performance.





Our VAC•1 is the perfect upgrade for our source components. The upgrade yields improved bass definition, dynamics and noise performance. Available in 120v and 240v input voltage (selectable by solder-in jumpers). IEC type AC socket for use with aftermarket power cords. AC input and output cables included.

VAC•1 is compatible with the following CI Audio Products:

  • VDA•1 24bit/96k Digital/Analog Converter
  • VDA•2 24bit/192k Digital/Analog Converter
  • VPP•1 MM/MC Phono Preamplifier
  • VHP•1 Headphone Amplifier
  • VHP•2 Headphone Amplifier

Additional information

Weight28 lbs
Dimensions18 x 12 x 8 in


AC Input Voltage120/240VAC
Output Voltage14VAC @ 1.44 Amps
AccessoriesIEC Type AC Cable, AC output Cable
Dimensions4.40″w x 2.65″h x 4.40″d
Warranty1 Year Parts & Labor


Tone Audio LogoSeriously though, whether you have the VHP-1 or 2, I feel the power supply is essential. It really takes this amp to a much higher level. Transient slam is better, and the bass is definitely a lot punchier. What I really enjoy about adding the power supply is that it is a big jump in performance the minute you plug it in, you won’t be struggling to hear what you spent another $160 on. ”

-Tone Audio [520KB PDF]

Stereophile LogoThe VHP•1’s already impressive bass response became even more powerfully solid with the heavy-duty power supply. Not deeper, simply more physical… This was no small improvement, but it wasn’t the biggest change the VAC•1 wrought. That would be its increase in dynamic contrast… With the VAC•1 powering the amp, there was more contrast between music and silence: where there was music, it seemed as if there was more of the stuff it was made from.”

-Wes Phillips, Stereophile

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