|Warranty length||2 Years|
|Product Award||HiFi World 5 Globes|
Input Impedance: 50K
Output Power: 500W / 32Ohms
Output Impedance: 32~300
Input Sensitivity: 300mV
Freq response: 20Hz~20KHz (+0dB, -0.5dB)
Track Balance: ±0.5dB
S/N Ratio: 90dB
Input Interface: 1×Balance Input, 1×RAC Input, 1×Coaxial, 1×Optical, 1×USB
Output Interface: 2x Standard earphone Jack (1×High/low impedance each 1pair)
Vacuum Tube: 2×6SL7 2×6SN7
Size: 180 (W)*284.5 (D)*163.5 (H)mm
Net Weight: 7.5KG
Quad PA-One headphone amplifier is a highly versatile and user-friendly amplifier that has been designed to properly drive good quality hi-fi headphones and deliver the superb sound quality Quad amplifier owners have long enjoyed through speakers but through your headphones.
Designed to helo high-end headphones reach their true potential by providing significantly improved amplification, Quad have launched the PA-One as a serious contender in the headphone market.
The Quad PA-One Headphone Amplifier is dedicated to achieving the full potential of any set of headphones connected to it. An amazingly wide variety of digital and analogue sources - Balanced, RCA, Coaxial, Optical, USB, makes it easy to listen to music without ever having to ponder on decoding different formats. Simple – and effective.
With the increased popularity of computers as source, the Quad PA-One USB DAC allows consumers to enjoy listening to digital music sources from a computer or laptop (Windows or Mac) via USB connection. The PA-One is USB 1.1 and 2.0 compliant and supports sampling frequencies ranging from 35kHz to 192kHz, a real treat for any Hi-Fi enthusiast.
Finally, Quad engineers have incorporated the Quad PA-One Headphone Amplifier with valve amplification. Carefully selected Hi-Fi amplification valves - 2×6SL7, 2×6SN7, 1×EZ81 allow the PA-One to deliver the latest technology in perfect harmony with traditional Hi-Fi.
'Easily the best headphone amp out there' (Hi-Fi World magazine, August 2015)
'Much like any good valve amplifier, the PA-One brings the dynamism of the valve sound. as well as its smoothness, to headphone listening. With my Fidelio X1s synergy was almost perfect: their low sensitivity was of no consequence at all. With my classic rock test track of the Eagles careering through 'Somebody' (ripped from CD to 24/96) the PA-One kicked them hard, putting muscle behind Schmit's strenuous bass line that seemed faster than I can usually hear it...swapping over to Oppo PM-1 planar magnetic headphones showed the PA-One is relatively unaffected by headphone balance. The Oppos usually sound quite warm up top but the PA-One imposed its own will and dynamism, lessening this quality' (Hi-Fi World magazine, August 2015)
'If you really value headphone listening then the PA-One is a must-have. It suits all headphones and really kicks them into life. With superb dynamics and easy-on-the-ear smoothness...this unit is easily the best headphone amp out there, providing you don't want to carry it around in your back pocket!' (Hi-Fi World magazine, August 2015)
''Verdict: One of the best sounding headphone amplifiers available, a wide range of inputs offering unrestricted hi-res PCM playback' (Hi-Fi World magazine, August 2015)