QUAD PA-One
The QUAD PA-One is a highly versatile, user-friendly headphone and preamplifier. It combines classic QUAD valve topology with a modern selection of digital inputs and outputs for low and high impedance headphones too. With classic QUAD styling and life-like sound quality, the PA-One is perfect for enjoying music personally via your laptop as well as being an integral pre-amp in a larger hi-fi system too.
| Brand | QUAD |
| Model | PA-One |
| Frequency response | 15 Hz – 30 Hz |
| Total harmonic distortion (%) | |
| Signal-to-noise ratio (dB) | 105 |
| Input impedance (Ω) | |
| Output impedance (Ω) | |
| Gain (dB) | |
| Phono input | |
| Height (mm) | 164 |
| Width (mm) | 180 |
| Depth (mm) | 285 |
| Weight (kg) | 7.5 |