جمعه , ۱۰ فروردین ۱۴۰۳
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خانه / اسپیکر سقفی / اسپیکر سقفی جی بی ال (JBL) مدل ۸۱۳۸

اسپیکر سقفی جی بی ال (JBL) مدل ۸۱۳۸

اسپیکر سقفی جی بی ال (JBL) مدل ۸۱۳۸

۸″ (۲۰۰ 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.
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.
  • ۶W transformer for use on 70V/100V distributed speaker lines
  • Installs to in-ceiling backboxes having 4 mounting points on an 11.25″ (۲۸۶ mm) diameter mounting circle.
  • For use with MTC-81BB8 backcan and MTC-81TB8 tile bridge
SPECIFICATIONS
Component ۲۰۰ mm (8 in) Full-Range, Dual-cone
Frequency Range (-10 dB) ۹۵ Hz – ۱۸ kHz
Coverage (2 kHz) ۹۰° conical
Sensitivity (2.83V@ 1m) ۹۷ dB (1 kHz – ۸ kHz)
Driver Power Capacity ۴۰W (160W peak), 2 hrs
۲۵W (100W peak), 100 hrs
۷۰V/100V Transformer Taps ۶W, 3W, 1.5W, (0.75W at 70V only)
Termination Bare Wire
Magnet ۱۰ 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
(۱۱٫۲۵ in) mounting circle.
Dimensions
(Diameter x Depth)
۳۲۷ mm (12.9″) diameter baffle x 84 mm (3.3″) depth from back of baffle. Overall depth, 99 mm (3.9″)
Mounting Points ۴ points on 286 mm (11.25 in) diameter mounting circle
Ceiling Cutout Dimension ۳۰۰ mm (11.75″) with tile bridge and backbox.
۲۲۸ mm (9.0″) diameter as stand alone.
Net Weight ۱٫۴ 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

 

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