Monitor Audio Radius 90 Bookshelf Speakers Satin White

For ultra-discreet sound all around the home, or partnered with the Radius 380 sub for explosive stereo, the original hi-fi mini monitor continues to evolve, incorporating a 4" C-CAM bass driver and 1" C-CAM tweeter.
The Monitor Audio Radius 90 Bookshelf Speakers offer an ultra-discreet sound all around the home, or partnered with the Radius 380 sub for explosive stereo. The original hi-fi mini monitor, and respected by all. The new Radius 90 continues to evolve, delivering a greater size-defying performance than ever before. New Radius 90 incorporates a 4” (100mm) C-CAM bass driver and 1” (25mm) C-CAM tweeter for a tuneful, controlled and powerful sound in pairs or combined as front and rear speakers in an AV System, along with the 200 or 225, and the 380/ 390 subs.

Use the optional MASM speaker mount or any standard wall bracket for wall mounting via the Radius 90’s single point fixing. Optional floor stands expand the installation possibilities still further.
Radius 90 Technology
The Monitor Audio Radius 90 Bookshelf Speakers feature a 4" C-CAM bass driver with concave cone profiles and a 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.
Design of Radius 90
The Monitor Audio Radius 90 Speakers offer a HiVe II port design shaped to have the same effect on airflow as a gun-barrel on a bullet. The 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. The Radius 90 Speakers feature single through-bolt driver fixing which 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. The single point 1/4" x 20TPI wall fixing can be used with the optional Monitor Audio speaker mount or any standard wall bracket. The Radius 90 Speakers also deliver an optional floor-stand with internal (pre-wired) cable managament system

Features:

• 4" C-CAM bass driver with concave cone profiles. 
• 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 has 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.
• 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