Overview
The 8138 is an 8" ceiling speaker designed for use with a pre-install inceiling backcan, resulting in highfidelity performance at a costeffective price point. The 8138 is ideal for a wide variety of commercial sound applications from restaurant and retail to professional offices and reception areas.
Features
- Stylish, contemporary appearance enhances any decor.
- Clear sound from an 8 inch dualcone full-range driver.
- Very high sensitivity of 97 dB for maximum sound levels using minimum amplifier power.
- 6W transformer for use on 70V/100V distributed speaker lines
- Installs to in-ceiling backboxes having 4 mounting points on an 11.25" (286 mm) diameter mounting circle.
- For use with MTC-81BB8 backcan and MTC-81TB8 tile bridge
Specifications
| Component | 200 mm (8 in) Full-Range, Dual-cone |
| Frequency Range (-10 dB) | 95 Hz – 18 kHz |
| Coverage (2 kHz) | 90° conical |
| Sensitivity (2.83V@ 1m) | 97 dB (1 kHz - 8 kHz) |
| Driver Power Capacity | 40W (160W peak), 2 hrs 25W (100W peak), 100 hrs |
| 70V/100V Transformer Taps | 6W, 3W, 1.5W, (0.75W at 70V only) |
| Termination | Bare Wire |
| Magnet | 10 ounces (283 g) |
| Safety Agency | Transformer is UL registered per UL1876 |
| Installation | Full assembly consists of 8138 speaker plus MTC-81BB8 backbox and MTC-81TB8 tile bridge. Four screw holes at industry standard 286 mm (11.25 in) mounting circle. |
| Dimensions (Diameter x Depth) |
327 mm (12.9") diameter baffle x 84 mm (3.3") depth from back of baffle. Overall depth, 99 mm (3.9") |
| Mounting Points | 4 points on 286 mm (11.25 in) diameter mounting circle |
| Ceiling Cutout Dimension | 300 mm (11.75") with tile bridge and backbox. 228 mm (9.0") diameter as stand alone. |
| Net Weight | 1.4 kg (3.0 lb) |
| Included Accessories | Integral grille, 4 pcs M4 x 40 mm tapping screws |
| Optional Accessories | MTC-81BB8 backcan MTC-81TB8 tile bridge |
