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.
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| Drivers | 200 mm (8 in) Full-Range, Dual-cone |
| Frequency Range (-10dB) | 95 Hz – 18 kHz |
| Coverage Angle | 90° conical |
| Sensitivity | 97 dB (2k - 8k Hz) |
| Driver Power Capacity | 40W (160W peak), 2 hrs25W (100W peak), 100 hrs |
| Transformer Taps | 6W, 3W, 1.5W, (0.75W at 70V only) |
| Input Connectors | 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 andMTC-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 Size | 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 |
| Power Rating | See transformer taps |
| Maximum SPL (1m) | 105 dB (top 70V/100V tap) |
| Color | White |
| Backcan | formed steel (accessory) |
| Baffle/Rim | Plastic |
| Plenum Usage | Yes, with accessory backcan |
The MTC-81BB8 is designed for use in applications requiring preinstalled backcans and is compatible with ceiling speakers having a 286 mm (11.25 in) mounting circle diameter, such as the JBL 8138 ceiling loudspeaker, and the JBL MTC-81TB8 tile bridge for suspended ceilings.
MTC-81BB8 Spec Sheet
[200 KB]
8138 Frequently Asked Questions
[30 KB]
MTC-81BB8 Hi Res Image
[9 MB]
Quick Start Guide - JBL 8100 Series
[400 KB]
The MTC-81TB8 tile bridge is designed for use in applications requiring pre-installed backcans in suspended ceiling applications and is compatible with ceiling speakers having a 286 mm (11.25 in) mounting circle diameter, such as the JBL 8138 ceiling loudspeaker, and the JBL MTC-81BB8 pre-install backbox.
MTC-81TB8 Spec Sheet
[200 KB]
MTC-81TB8 Hi Res Image
[4 MB]
Quick Start Guide - JBL 8100 Series
[400 KB]
versão D,
atualizado: fev 2024
Apoio a Consultores