Product Description
8" (200 mm) Full-Range In-Ceiling Loudspeaker for use with
Pre-Install Backcans
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.
Specification
| Brand | JBL Professional |
| Model | 8138 |
| Speaker Type | Full-Range In-Ceiling Loudspeaker |
| Driver | 200 mm (8") Full-Range Dual-Cone |
| Frequency Range (-10 dB) | 95 Hz – 18 kHz |
| Coverage | 90° Conical |
| Sensitivity | 97 dB |
| Driver Power Capacity | 40 W (160 W peak), 2 hrs; 25 W (100 W peak), 100 hrs |
| Transformer Taps | 6 W / 3 W / 1.5 W; 0.75 W @ 70V only |
| System Voltage | 70V / 100V |
| Input Connection | Bare Wire |
| Maximum SPL | 105 dB @ 1 m |
| Magnet | 283 g (10 oz) |
| Mounting Circle | 286 mm (11.25") |
| Ceiling Cutout | 300 mm with tile bridge & backbox; 228 mm standalone |
| Baffle Diameter | 327 mm (12.9") |
| Depth from Baffle | 84 mm |
| Overall Depth | 99 mm |
| Net Weight | 1.4 kg |
| Color | White |
| Grille | Integral grille |
| Backcan | JBL MTC-81BB8 – optional |
| Tile Bridge | JBL MTC-81TB8 – optional |
| Plenum Use | Yes, with suitable listed backcan |
| Safety Compliance | UL1480, UL2043, NFPA90, NFPA70; transformer UL1876 |