KEF

Bowers & Wilkins

Refrence 8B Subwoofer

HTM82 D4

Home Theatre Speaker Specification

Home Theatre Speaker Specification

Dynamic

Dynamic

2 X 225 mm

25/460 mm

NA

8 ohm

NA

89dB spl

Variable Frequency 40Hz - 160Hz
Frequency Range Free Field ( -6dB ): 18Hz
Frequency Response : ( ±3dB )24Hz At 90dB Output In Free-Space Mode

33 Hz - 35 kHz, 45 Hz - 28 kHz

AC 100V - 120V / 220V - 240V ~50/60Hz

AC 100V-240 V / 50 Hz / 60 Hz

2 X 500 W ( RMS ) Class D
Internal Volume 23L

50 W – 200 W ( RMS )

110dB

90 dB

NA

No

No

34 Kg

25.15 Kg

Speaker : 398 mm X 365 mm X 429 mm

715 mm X 369 mm X 289 mm

Black

Black, White

KEF Reference 8B Subwoofer
Power Cable
Product Manual

Bowers & Wilkins HTM82 D4 Speaker

LF Drive Unit : Equipped with 2 x 225 mm (9in.) low-frequency drive units, the subwoofer delivers powerful and impactful bass.
Maximum Output : Capable of reaching a maximum output of 110dB at 1m and 50Hz, providing a dynamic and immersive bass experience.
Low Pass Filter : Features a variable low pass filter with a frequency range from 40Hz to 160Hz, allowing users to customize the crossover point.
Frequency Response : The frequency response at 90dB output in free-space mode is ±3dB from 24Hz, ensuring accurate and balanced bass reproduction.
Amplifier : Powered by 2 x 500W Class D amplifiers with a switched mode power supply and DSP-based control section, delivering efficient and controlled power.
Inputs & Connectivity: Provides versatile connectivity options with analog XLR socket, speaker level inputs, and a link out via RCA phono socket. The subwoofer’s net internal volume is 23L.

3-Way Vented-Box System.
5-Year warranty Valid from the date of purchase for passive loudspeakers.
Technical Features - Diamond Tweeter, Solid Body Tweeter-On-Top, Continuumâ„¢ Cone FST, Matrixâ„¢, Anti-Resonance Plug, Biomimetic Suspension, Aerofoilâ„¢ Cone Bass Units, Flowport.
For theater systems based on the more compact 803 D4 or 804 D4, the HTM82 D4 center-channel speaker is the perfect solution. Its more compact midrange drive unit is ideally sized to match those of its siblings. *Stand(s) not included.
The new HTM82 D4 may be our most compact center-channel speaker, but it shares the design DNA of its larger siblings, including the Reverse Wrap cabinet and Matrixâ„¢ bracing. The combination of the two technologies ensures a quieter, more acoustically efficient and better-sounding speaker than ever.