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.
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