ลำโพงเพดาน  ยี่ห้อ JBL รุ่น CSS8004

JBL’s 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.

• 100 mm (4 in) Commercial Series Ceiling Speakers
• High 90 dB sensitivity
• 5 Watt multi-tap transformer for 100V, 70V and 25V distributed lines
• Very wide 175° coverage
• Fits CSS-BB4 backcan

Specifications

• Drivers  100 mm (4 in)
• Sensitivity        90 dB (2k – 6k Hz)
• Frequency Range (-10 dB) Driver/Grille Assembly            85 Hz – 18 kHz
• Installed in CSS-BB backcan         130 Hz – 18 kHz
• Coverage Angle     175° conical
• Driver Continuous Power Handling         15 Watts
• Transformer Taps         5W, 2.5W, 1.3W
• Transformer Taps         5W, 2.5W, 1.3W, 0.7W
• Transformer Taps         5W, 2.5W, 1.3W, 0.7W
• Transformer Insertion Loss          1.5 dB Maximum
• Transformer Connection           Bare wire
• Motor Mass       200 g (7 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-BB4
• Other Compatible Backcans        N/A
• Bolt Mounting Circle to Backcan               4 points on 165 mm(6.5 in) diameter
• Cutout DiameterOpen-back       125 mm (5.0 in)
• In CSS-BB backcan           170 mm (6.7 in)
• Depth (behind grille)     94 mm (3.7 in)
• Grille Diameter 198 mm (7.8 in)
• Net Weight (each)           0.90 kg (1.0 lb)
• Shipping Weight (ea)     1.26 kg (2.8 lb)
• Included Accessories     4 pcs M4 x 40 mm sheet metal screws for attaching speaker/driver/transformer assembly to corresponding backcan.
• Power Rating     See transformer taps
• Transformer Taps     100V Taps – 5W, 2.5W, 1.3W  /  70V Taps – 5W, 2.5W, 1.3W, 0.7W  /  25V Taps – 5W, 2.5W, 1.3W, 0.7W
• Maximum SPL (1m)        97 dB (top 25V/70V/100V tap)
• Input Connectors     Bare wire
• Backcan       formed steel (accessory)
• Baffle/Rim      Metal
• Ceiling Cutout Size      125 mm (5.0 in)
• Plenum Usage   Yes, with accessory backcan
• Color     White