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Monitor Audio Radius 90 Loudspeakers
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Monitor Audio Radius 90 LoudspeakersMonitor Audio Radius 90 LoudspeakersMonitor Audio Radius 90 LoudspeakersMonitor Audio Radius 90 Loudspeakers

Monitor Audio Radius 90 Loudspeakers

£320.83 Exc. VAT |  


Monitor Audio Radius 90 Loudspeakers


  • 4" C-CAM bass driver - Radius features bass drivers with concave cone profiles, introduced by our top-of-the-range Platinum speakers and applied subsequently to Gold GX. Extensive research and FEA modelling have allowed us to perfect the relationship between the radiating diaphragm and its motor design, introducing larger motor sizes and voice coils for increased excursion, higher power capability and reduced distortion.
  • C-CAM Gold Dome tweeter - optimised to deliver the finest and widest performance within the compact Radius cabinets. It benefits from a more efficient rear-venting design, releasing air trapped and compressed at the back of the tweeter dome, and guiding it around the drive assembly to a rear-loading chamber.
  • HiVe II port design - Straight from Platinum’s design blueprint, the HiVe reflex port makes its Radius debut. It’s shaped to have the same effect on airflow as a gun-barrel on a bullet. Rifled grooves inside the port help to accelerate the flow and reduce turbulence, so air moves in and out of the port more efficiently, for a faster more dynamic bass response.
  • Single through-bolt driver fixing provides mechanical de-coupling and enhanced mid-band clarity and resolution. The through-bolts also act as rigid cross bracing to give a very solid non-resonant cabinet.
  • Single point ¼” x 20TPI wall fixing. Use the optional Monitor Audio speaker mount or any standard wall bracket
  • Optional floor-stand with internal (pre-wired) cable management system.

Frequency Response

80 Hz — 35 kHz

Sensitivity (1W@1M)

83 dB

Nominal Impedance

8 ohms

Power Handling (RMS)

75 W

System Power Handling (RMS)

100 W

Recommended Amplifier Requirements

30 — 100 W

Maximum SPL

102 dBa

Bass Alignment

Bass reflex - Rear ported

Drive Unit Complement

1 x 4" (100 mm) C-CAM cone bass/mid driver
1 x 1" (25 mm) C-CAM Gold Dome tweeter

Cabinet Dimensions (H x W x D)

198 x 125 x 140 mm (713/16 x 415/16 x 51/2")

Cabinet Dimensions (Including Grille and Terminals (H x W x D))

198 x 125 x 164 mm (713/16 x 415/16 x 67/16")

Cabinet Dimensions (Including Grille and Bracket (H x W x D))

198 x 125 x 203 mm (713/16 x 415/16 x 8")

Pre-Construction Bracket

Optional - Monitor Audio Speaker Mount (MASM)


2.1 kg (4 lb 10 oz)

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01733 350 878
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