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The Quad VA-One is an affordable 15wpc full tube integrated amp with DAC and quality headphone amplifier. It plays surprisingly loud and is great for small rooms systems, high efficiency speakers and desktop audio

The VA-One boasts an impressive compliment of tubes (seven in all) for such a compact
design . The preamp section incorporates an ECC83
high-impedance triode, feeding an ECC82 twin triode driver and phase
splitter stage. The output stage uses two EL84 pentodes per channel in
push-pull configuration, delivering 2x15W – sufficient power to drive
efficient modern speakers to high volume levels, whilst maintaining the
sumptuous sound quality derived from the amp’s valve-based topology.



As well as providing the fluid, immersive sonic performance associated
with classic valve amplification, the VA-One delivers lashings of
musical detail without the unwanted coloration often associated with
inferior valve-based products, thanks to the highly specified output
transformers.Three digital audio inputs – optical, coaxial and asynchronous USB –
support data up to 24-bit/192kHz, and an RCA input gives the
option to connect an analogue source like a CD player or a turntable
(when used with a suitable phono stage).



In addition, those who enjoy the freedom of wireless connectivity can
pair smartphones, tablets and computers via Bluetooth, with support for
the sonically superior apt X codec.

Specifications

General description:
Integrated amplifier





Rated power output:
2 x 15W RMS (6Ω) 2 x 12W RMS (8Ω / 4Ω)





Frequency Response:
20Hz - 50kHz (-3dB)





Total harmonic distortion:
0.5%





Signal-to-noise ration (S/N):
90dB





Input Impedance:
50KΩ





Inputs:
1 x RCA, 1 x OPT, 1 x COAX, 1 x USB B, Bluetooth (aptX)





Outputs:
1 x Speaker Terminal,1 x 6.3mm Jack Headphone





Valves:
1 x ECC83, 2 x ECC82, 4 x EL84EH





Net weight:  25Lbs

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Brands carried:

Acoustic Zen, April Music, Audio Space tube
electronics, Audeze headphones, Auralic music streamers & DAC's, Bob Carver tube amps and speakers,
Burson Audio, Cambridge, Core Power Technologies, Creek, DSPeaker room correction, EAT turntables, Emerald Physics
speakers, amplifiers & DSP Crossovers, Epos,  Focal headphones, Gallo speakers,
Graham Slee, HifiMan headphones, Jolida tube electronics, LSA speakers, Lehmann
phono stages, Marantz Reference, Micromega, Music Hall, Mu-So by Naim, Ortofon
cartridges, Peachtree Audio, Project turntables, PS Audio, Quad, Scansonic speakers, Silverline Audio, Spread Spectrum Ampzilla products, Sumiko subwoofers & cartridges, TriangleArt turntables, Wireworld & Wywires cables

Sales policies on the Underwood Hifi Inc. website at www.underwoodhifi.com