Speaker ចាប់ពិដាន JBL Control 24C

The JBL Control 24C is a compact in-ceiling loudspeaker designed for background and foreground music, as well as music-plus-paging systems. Here are its key specifications:   

General Specifications:

• Frequency Range (-10 dB): 80 Hz - 20 kHz
• Power Capacity:
  • 80 Watts Continuous Program Power   
  • 40 Watts Continuous Pink Noise   
• Nominal Sensitivity: 86 dB SPL @ 1 m (3.3 ft)   
• Nominal Coverage Angle: 130° conical coverage   
• Directivity Factor (Q): 2.4 averaged 500 Hz to 4 kHz
• Directivity Index (DI): 3.8 averaged 500 Hz to 4 kHz   
• Maximum SPL (1m): 102 dB (low-impedance), 108 dB peak
• Nominal Impedance: 16 ohms (Minimum Z 16.1 Ω @ 320 Hz)   

Transducers:

• Low Frequency Driver: 100 mm (4.0 in) woofer with a polypropylene-coated cone and pure butyl rubber surround, aluminum voice coil former.   
• High Frequency Driver: 19 mm (0.75 in) titanium-coated tweeter, diffraction-loaded.   

Physical:

• Outside Dimensions (H x Dia): 200 x 195 mm (7.9 x 7.7 in)
• Depth (from front of ceiling tile to back of backcan): 184 mm (7.2 in)
• Cutout Size: 168 mm (6.6 in) diameter (cardboard cutout template included)  
• Net Weight (each): 2.7 kg (6 lb)
• Shipping Weight (pair): 6.4 kg (15 lb)
• Backcan: Formed steel (included "blind-mount")
• Baffle/Rim: Medium impact polystyrene, fire-rated UL94V-0   

Connectors:

• Removable locking connector with screw-down terminals.   
• 2 input terminals and 2 loop-thru output terminals.   
• Maximum wire size: 12 AWG (2.5 mm²)