Quad Hifi

QUAD PA-One+ Tube Amplifier


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    The QUAD PA-One+ tube headphone amplifier comes with two 6SL7 tube and two 6SN7 tubes for a sound that is full of life, yet without the unwanted colouration. For inputs, it comes with a 3-pin balanced, RCA, USB, coax, and opt. For Outputs, there is a standard headphone jack, a 4-pin balanced headphone jack, and a RCA output.

    • Input Impedance: 50kΩ
    • Output Power: 500mW(@ 32Ω)
    • Output Impedance: 32Ω - 300Ω
    • Input Sensitivity: 300mV
    • Frequency Response: 20Hz - 20kHz (+0dB,-0.5dB)
    • Distortion: 0.5% at 1kHz
    • Channel Balance: ±0.5dB
    • S/N Ratio: 90dB
    • Vacuum Tubes: 2x 6SL7, 2x 6SN7
    • Digital Input Sampling Frequencies: 44.1kHz-192kHz, 384kHz(USB), DSD256(USB)
    • Input Jack: 3-pin balance, 1xRCA, 1xUSB, 1xCOAX, 1xOPT
    • Output Jack: 1xstandard headphone jack, 4-pin balance headphone jack; 1xRCA output
    • Size: 180mm x 260mm x 170mm

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