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PM1 is a compact loudspeaker that offers an extremely high-quality performance. It features a new tweeter design, and a cabinet unlike anything previously constructed by Bowers & Wilkins.
The PM1 is a luxury, compact loudspeaker; the latest in a long line of Bowers & Wilkins audiophile mini monitors. It offers an extremely high-quality audio performance, and features several technological innovations.
This includes the new Carbon Braced Tweeter. An aluminium dome is strategically stiffened with a wound ring of carbon fibre, pushing the breakup frequency to above 40kHz, providing a marked improvement in performance in the audible frequencies below 20kHz. The PM1 cabinet is also unlike anything previously constructed by Bowers & Wilkins. It combines the Matrix bracing system for greater rigidity, with a new moulded baffle and top plate for improved image localization.
The enclosure, crossover and terminals are all designed to achieve maximum synergy between all the components. The result is a loudspeaker that is expansive, with incredibly coherent staging aided by the new Carbon Braced Tweeter. Coupled with unprecedented levels of scale and authority for such a compact design.
| Model | PM1 |
| Description | 2-way vented-box system |
| Technical features | Nautilus™ tube loaded tweeter with carbon fibre reinforced aluminium dome Kevlar® brand fibre cone bass / midrange Flowport™ |
| Drive units | 1x ø25mm (1in) reinforced aluminium dome high-frequency 1x ø130mm (5 in) woven Kevlar® cone bass / midrange |
| Frequency response | 48Hz - 22kHz ±3dB on reference axis |
| Frequency range | -6dB at 42Hz and 60kHz |
| Dispersion | Within 2dB of reference response Horizontal: over 60º arc Vertical: over 10º arc |
| Sensitivity | 84dB spl (2.83V, 1m) |
| Harmonic distortion | 2nd and 3rd harmonics (90dB, 1m) <1% 110Hz - 22kHz |
| Nominal impedance | 8Ω (minimum 5.1Ω) |
| Crossover frequency | 4kHz |
| Recommended amplifier power | 30W - 100W into 8Ω on unclipped programme |
| Max. recommended cable impedance | 0.1Ω |
| Net weight | 9.3kg (20.5lb) |
| Finishes | Cabinet Real wood veneers Mocha Gloss |
| Grille | Black |
| Height | 620.5mm (25.6in) excluding spikes |
| Width | 268mm (10.6in) |
| Depth | 300mm (11.8in) |
The Absolute Sound - April 2012
"I found the PM1 easy to like, and I daresay it will appeal to many other listeners as well."
Read the full review
What HiFi - October 2011
"The PM1's never sound undernourished or bass-light. That’s a massive achievement in something so small."
Read the full review
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