OSD Black R83 8" Reference Carbon Trimless In-Ceiling Speakers (Pair)
The OSD Black R83 8-Inch Reference Carbon Trimless In-Ceiling Speakers (Pair) deliver commanding acoustic scale, effortless headroom, and deep low-frequency authority for large rooms and high-end cinema spaces. Engineered with a large 8-inch woven carbon fiber woofer with a TPR rubber surround and a pivoting 1-inch ceramic-coated aluminum dome tweeter, the R83 handles 175 watts of peak power (85W RMS) at 8 ohms with frequency extension down to 32Hz, providing subterranean bass response and pristine transparency behind a flush magnetic trimless grille.
If you want to know what reference 8-inch in-ceiling speaker provides true 32Hz bass depth and uncompressed dynamic impact for vaulted ceilings and large open floor plans, how carbon fiber drivers deliver clean, distortion-free sound at high volume, or how dual acoustic switches fine-tune frequency response, the OSD Black R83 is the premier high-output architectural loudspeaker. Audio connoisseurs specify the R83 for uncompromising listening rooms and multi-channel home theaters.
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High-Excursion 8-Inch Woven Carbon Fiber Driver
The large 8-inch carbon fiber woofer moves massive air volume with exceptional cone rigidity, reproducing clean, impactful sub-bass frequencies down to 32Hz without distortion or cone breakup.
Pivoting 1-Inch Ceramic-Coated Aluminum Tweeter
Delivers crystal-clear high-frequency detail up to 20kHz with ceramic-damped smoothness, pivoting up to 15 degrees to direct high frequencies toward the main seating area.
Front-Baffle Bass and Treble Acoustic Tuning Switches
Equipped with independent +/-3dB bass and treble contour switches on the front baffle, giving you full control to adjust tonal balance based on room layout and ceiling height.
Magnetic Zero-Bezel Trimless Grille
Ultra-thin magnetic steel grille attaches seamlessly with neodymium magnets, sitting virtually flush with drywall for a clean, architectural appearance.
Specifications
| Speaker Type | 8-Inch 2-Way Reference Trimless In-Ceiling Speakers |
| Packaging | Pair (2 Speakers Included) |
| 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 per Speaker |
| Power Handling (Peak) | 175 Watts Peak per Speaker |
| 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 |
| Grille Type | Magnetic Paintable Micro-Perforated Steel Trimless Grille |
| Cutout Dimensions | 9.5 Inches (241 mm) Diameter |
| Overall Dimensions | 10.75 Inches (273 mm) Diameter x 4.0 Inches (102 mm) Depth |
| Mounting Depth | 4.0 Inches (102 mm) |
| Unit Weight | 12.0 lbs (5.4 kg) Pair |
In The Box Contents
- 2x OSD Black R83 8-Inch Reference Carbon Trimless In-Ceiling Speakers
- 2x Magnetic Paintable White Steel Trimless Grilles
- 2x Precision Round Cutout Templates
- 2x Protective Paint Masks
- 1x Comprehensive User Guide and Calibration Manual
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