OSD Black R83A 8" Reference Carbon Angled In-Ceiling Speaker (Single)
The OSD Black R83A 8-Inch Reference Carbon Angled In-Ceiling Speaker (Single) delivers immense acoustic scale and pinpoint directional imaging for premier home cinemas and high-performance listening spaces. Featuring a 15-degree fixed angled baffle, a large 8-inch woven carbon fiber woofer with TPR surround, a pivoting 1-inch ceramic-coated aluminum dome tweeter, and +/-3dB contour switches, the R83A handles 175 watts of peak power (85W RMS) at 8 ohms across 32Hz to 20kHz, providing deep, visceral bass slam and focused front soundstage imaging from the ceiling.
If you want to know what 8-inch angled ceiling speaker provides true 32Hz deep bass with directional acoustic imaging for front LCR home theater channels, how carbon fiber drivers deliver explosive cinema dynamics without cone breakup, or how front-panel contour switches optimize acoustics, the OSD Black R83A is the ultimate high-output angled loudspeaker. Home theater enthusiasts choose the R83A for monumental surround and Atmos power.


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High-Output 8-Inch Angled Home Cinema Baffle
The 15-degree angled baffle directs sound from the 8-inch carbon woofer and ceramic tweeter directly toward the seating area, creating an authoritative, focused soundstage that eliminates the disconnected feel of downward-firing ceiling speakers.
Deep 32Hz Bass with Woven Carbon Fiber Cone
The large 8-inch carbon fiber woofer moves significant air volume, producing deep low-frequency authority down to 32Hz that integrates seamlessly with high-end subwoofers.
Pivoting Ceramic-Coated Aluminum Tweeter
Pivots an additional 15 degrees to fine-tune high-frequency dispersion toward your ears, delivering transparent, airy highs with zero harshness.
Magnetic Zero-Bezel Architectural Grille
Supplied with a paintable zero-bezel magnetic steel grille that hides the frame completely, providing an upscale flush aesthetic.
Specifications
| Speaker Type | 8-Inch 2-Way Reference 15-Degree Angled In-Ceiling Speaker |
| Packaging | Single (1 Speaker Included) |
| Baffle Angle | 15-Degree Fixed Acoustic Angle toward Listening Area |
| Woofer Driver | 8-Inch Woven Carbon Fiber Cone with Thermo-Plastic Rubber Surround |
| Tweeter Driver | 1-Inch Pivoting Ceramic-Coated Aluminum Dome Tweeter |
| Power Handling (RMS) | 85 Watts RMS Continuous |
| Power Handling (Peak) | 175 Watts Peak Power |
| Impedance | 8 Ohms Nominal |
| Frequency Response | 32Hz - 20kHz (+/- 3dB) |
| Sensitivity (1W/1m) | 91 dB |
| Contour Switches | +/- 3dB Bass and +/- 3dB Treble Adjustment Switches on Front Baffle |
| Cutout Dimensions | 10.0 Inches (254 mm) Diameter |
| Overall Dimensions | 11.625 Inches (295 mm) Diameter x 5.25 Inches (133 mm) Depth |
| Mounting Depth | 5.25 Inches (133 mm) |
| Unit Weight | 8.0 lbs (3.6 kg) |
In The Box Contents
- 1x OSD Black R83A 8-Inch Reference Carbon Angled In-Ceiling Speaker
- 1x Magnetic Paintable White Steel Trimless Grille
- 1x Precision Round Cutout Installation Template
- 1x Protective Paint Mask Shield
- 1x Detailed Installation and Theater Aiming Manual
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