PMC TWENTY5.21
Pair of bookshelf speaker
Code: 86449803
All our products are covered by Italian warranty.
Pre owned. In excellent condition. No visible signs of wear. Without original packaging.
The PMC twenty5.21 are presented as compact, minimalist two-way standmount loudspeakers designed to deliver high-quality sound reproduction within a slim cabinet that is slightly rear-tilted, a design choice that helps manage reflections and optimize sound dispersion. Their appearance remains functional and understated, with a reduced-scale professional monitor aesthetic intended to integrate easily into domestic environments while still retaining a clear technical identity.
The configuration features a 140 mm long-throw mid-bass driver with a g-weave cone and inverted dome, paired with a 19 mm soft-dome tweeter. These components work in synergy to ensure a coherent and well-balanced reproduction across the entire frequency range. Bass loading is based on PMC’s proprietary Advanced Transmission Line technology, visible through the front port with its aerodynamically shaped Laminair duct, designed to improve airflow and reduce turbulence, resulting in deeper, more controlled and more articulate low-frequency performance compared to conventional bass reflex systems.
The crossover is built using carefully selected components and high-quality fiberglass boards with high-conductivity copper tracks, playing a crucial role in maintaining coherence between the two drivers, allowing the woofer to operate more efficiently within its dedicated range while enabling a natural integration with the tweeter. The result is a loudspeaker that emphasizes tonal balance and neutrality, with a sonic character reminiscent of professional studio monitors.
From an acoustic perspective, the twenty5.21 stand out for their wide and airy soundstage, capable of delivering a strong sense of depth and instrument separation, with particular attention to clarity and transparency of the musical message. Their sensitivity of 86.5 dB requires adequate amplification to fully express their potential, but in return they offer precise and controlled reproduction, with articulate bass and a natural midrange.
Available in various finishes including black, white, oak and walnut, they present themselves as compact yet highly refined loudspeakers, designed for listeners seeking a neutral, detailed sound free from artificial coloration, with a clear focus on tonal accuracy and uncompromised reproduction within the physical limits of their category.
Technical specifications:
- Frequency response: 46 Hz – 25 kHz
- Sensitivity: 86.5 dB (1W/1m)
- Recommended amplifier power: 30 – 150 W
- Impedance: 8 ohms
- Effective ATL™ length: 1.72 m (5.6 ft)
- LF driver: PMC twenty5 series 140 mm (5.5”) long-throw g-weave™ cone; cast alloy chassis
- HF driver: PMC/SEAS 27 mm twenty5 series soft fabric dome; ferrofluid cooled SONOLEX™
- Crossover frequency: 1.8 kHz
- Connections: single pair 4 mm binding posts
- Dimensions: 340 × 162 × 284 mm (H × W × D), including terminals (+9 mm grille)
- Weight: 6 kg per unit





