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Quad Hifi
QUAD VA-One+ Tube Amplifier
$1,795
The QUAD VA-One+ tube headphone amplifier comes with three preamp tubes and four power amp tubes to deliver great sound quality from various playback devices – from smartphones and tablets, to PCs and Macs, to hi-fi source components. 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 a 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.
The VA-One+ comes with three digital audio inputs – optical, coaxial and asynchronous USB – support data up to 24-bit/192kHz, and an RCA-phono input gives the option to connect an analogue source like a CD player or a turntable (when used with a suitable phono stage). Finally, wireless connectivity can pair smartphones, tablets and computers via Bluetooth, with support for the aptX codec.
Specs:
- Type: Integrated Amplifier
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Input Impedance: 50kΩ
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Rated Power Output: 2 x 15W RMS (6½) 2 x 12W RMS (8½ / 4½)
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Frequency Response: 20Hz - 50kHz (-3dB)
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Distortion: 0.50%
- S/N Ratio: 90dB
- Vacuum Tubes: Three preamp tubes (1 x ECC83, 2 x ECC82), Four power amp tubes (4 x EL84EH)
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Digital Input Sampling Frequencies: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176kHz, 192kHz
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Input Jack: 1 x RCA, 1 x OPT, 1 x COAX, 1 x USB B, Bluetooth (aptX)
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Output Jack: 1 x Speaker Terminal,1 x 6.3mm Jack Headphone
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Size: 180mm x 284.5mm x 163.5mm
- Weight: 10.8 kg
The QUAD VA-One+ tube headphone amplifier comes with three preamp tubes and four power amp tubes to deliver great sound quality from various playback devices – from smartphones and tablets, to PCs and Macs, to hi-fi source components. 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 a 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.
The VA-One+ comes with three digital audio inputs – optical, coaxial and asynchronous USB – support data up to 24-bit/192kHz, and an RCA-phono input gives the option to connect an analogue source like a CD player or a turntable (when used with a suitable phono stage). Finally, wireless connectivity can pair smartphones, tablets and computers via Bluetooth, with support for the aptX codec.
Specs:
- Type: Integrated Amplifier
- Input Impedance: 50kΩ
- Rated Power Output: 2 x 15W RMS (6½) 2 x 12W RMS (8½ / 4½)
- Frequency Response: 20Hz - 50kHz (-3dB)
- Distortion: 0.50%
- S/N Ratio: 90dB
- Vacuum Tubes: Three preamp tubes (1 x ECC83, 2 x ECC82), Four power amp tubes (4 x EL84EH)
- Digital Input Sampling Frequencies: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176kHz, 192kHz
- Input Jack: 1 x RCA, 1 x OPT, 1 x COAX, 1 x USB B, Bluetooth (aptX)
- Output Jack: 1 x Speaker Terminal,1 x 6.3mm Jack Headphone
- Size: 180mm x 284.5mm x 163.5mm
- Weight: 10.8 kg