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Arcam Radia R25B Subwoofer

Our price:£2,599.00

What HFL Thinks

Arcam R25B Subwoofer – ARCAM has announced the Radia Series loudspeakers, marking its return to speaker design. The line-up – two bookshelf models, a centre channel, a subwoofer, and two floorstanders – provides a complete solution for both music and home cinema setups. The speakers perform seamlessly with any high-quality hi-fi or home cinema system, with additional fine-tuning available when used alongside specific Radia electronics. Just like many people we have always had a soft spot for Arcam at HFL, Arcam gave us our first taste of what was possible with a decent HiFi setup.

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R25B

The ARCAM R25B powered subwoofer delivers the low-frequency authority that completes any Radia loudspeaker system—bringing depth, weight, and cinematic impact to music and movies alike. Designed to blend seamlessly with the Radia Series, it reinforces your system with bass that is powerful, controlled, and beautifully expressive.

 

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At its core is a 250mm (10-inch) high-excursion woofer, driven by a 750-watt digital amplifier for exceptional headroom and dynamic capability. Its bass-reflex tuned enclosure, extensive tuning and connectivity options allow effortless integration into any room or Radia system, ensuring a smooth handover to your main loudspeakers. The ARCAM R25B brings your audio to life—letting you feel every rhythm, every impact, and every atmospheric detail with stunning realism.

 

  • 250mm (10-inch) Coated Fibre-Composite Cone Driver in a cast Aluminium frame for deep bass extension of every rhythm and impact throughout your room
  • 750 watt RMS (1,500 watt peak) Class D amplifier for limitless low-frequency authority that complements any loudspeaker system
  • Volume, Crossover and Phase Controls for a simple and flexible configuration for setup with your speakers
  • Inverted surround and trim ring cover both to conceal the hardware for a sleek aesthetic, and reduce damaging high frequency cabinet diffraction
  • Magnetically attached grille for a clean, seamless look with no visible attachments

Specification

Type: Subwoofer

Cabinet Finish: Black Natural Walnut Veneer

Driver: 250mm (10-inch) Coated Fibre-Composite Cone Driver in a cast Aluminium frame

Amplifier Power: 750-Watt RMS/1500-Watt Peak Power

Inputs: RCA LFE/Line Level, 3.5mm 12V Trigger

Controls: Auto Power, Crossover, Level, Phase

Crossover Frequencies: 50Hz-150Hz (variable) 24dB/octave

Enclosure Tuning: Bass-Reflex via Rear-Mounted Port

Frequency Response ± 6dB: 26Hz-150Hz

Mains voltage (V/Hz): 100–120V or 220–240V, 50–60Hz

Power consumption (W): 205W

Standby Power consumption: <0.5W

Dimensions W x D x H: W 430 x D 437 x H 377mm (16.9 x 17.2 x 14.8 in)

Product Weight (each): 27.8kg (61.3 lbs)

Shipping Weight: 35.2kg (77.6 lbs)

Shipping Units of Measure: Each