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JBLs Commercial Series Ceiling Speakers provide excellent performance for paging and background music applications. High sensitivity across the product line provides maximum sound level, even at low tap settings.

Features :
Very high 97 dB sensitivity
10 Watt multi-tap transformer for 100V, 70V and 25V distributed lines
Fits CSS-BB8 backcan

Specifications :
Driver Size (dual-cone) : 200 mm (8 in)
Driver Sensitivity (mid-range)
(1W [2.83V], 1m, 2k  6k Hz) : 97 dB
Frequency Range (-10 dB)
Driver/Grille Assembly : 50 Hz  17 kHz
Installed in CSS-BB backcan : 90 Hz  17 kHz
Coverage (2 kHz) : 110°
Driver Continuous Power Handling : 20 Watts
100V Taps : 10W, 5W, 2.5W
70V Taps : 10W, 5W, 2.5W, 1.3W
25V Taps : 10W, 5W, 2.5W, 1.3W
Transformer Insertion Loss : 1.5 dB Maximum
Transformer Connection : Bare wire
Motor Mass : 283 g (10 oz)
Safety Agency : Suitable for use in air handling spaces per UL1480, UL2043, NFPA 90 & NFPA 70, when installed with corresponding UL Listed backcan, below. S7232/UL Listed, Signaling Speaker. Transformer UL registered per UL1876. In accordance with IEC60849/EN60849.
Matching CSS Backcan : CSS-BB8 (0.15 cu ft)
Other Compatible Backcans : MTC-81BB8 (0.26 cu ft)
MTC-200BB6 (0.5 cu ft)
MTC-300BB8 (1.0 cu ft)
Bolt Mounting Circle to Backcan : 4 points on 286 mm (11.25 in) diameter
Cutout Diameter
Open-back : 216 mm (8.5 in)
In CSS-BB backcan : 295 mm (11.7 in)
Depth (behind grille) : 73 mm (2.9 in)
Grille Diameter : 327 mm (12.9 in)
Net Weight (ea) : 1.58 kg (3.5 lb)
Shipping Weight (ea) : 2.25 kg (5.0 lb)
Included Accessories : 4 pcs M4 x 40 mm sheet metal screws for attaching speaker/driver/transformer assembly to corresponding backcan.

Strona Producenta

http://www.jblpro.com