ลำโพงติดฝ้าเพดาน JBL CONTROL 321C ขนาดดอกลำโพง 12 นิ้ว Kevlar-reinforced cone with 2″ voice coil, Coaxial ceiling speaker with 1″ HF compression driver and consistent 90° broadband pattern control, ทนกำลังขับ 250-watt power handling with high sensitivity and high SPL
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฿31,300.00
ลำโพงติดฝ้าเพดาน JBL CONTROL 321C ขนาดดอกลำโพง 12 นิ้ว Kevlar-reinforced cone with 2″ voice coil, Coaxial ceiling speaker with 1″ HF compression driver and consistent 90° broadband pattern control, ทนกำลังขับ 250 วัตต์ power handling with high sensitivity and high SPL capability
The JBL Control 321C is a coaxial point source design ceiling loudspeaker, featuring a 12″ low frequency cone performing as a waveguide for the high frequencies. The unique metal throat provides seamless transition to the horn, eliminating any aberrant HF “beaming”, and resulting in consistent 90° coverage on a broadband basis with true coaxial behavior.
Frequency Response | 47 Hz – 16 kHz, +/-3dB (in ceiling) |
Maximum Power Handling | 600 Watts |
Impedance | 8 Ohms |
SPL | 118dB avg., 124dB peak |
Beamwidth | 90° conical, broadband (1kHz – 10kHz) |
Horizontal Beamwidth | 90° conical, broadband (1kHz – 10kHz) |
Vertical Beamwidth | 90° conical, broadband (1kHz – 10kHz) |
Directivity | Factor: 8.7 (1kHz – 16kHz) Index: 9.4dB (1kHz – 16kHz) |
Construction | Kevlar-reinforced cone woofer Titanium diaphragm compression driver with diamond surround and ferro-fluid cooling Ported Metal Baffle |
Magnet | Saturated-gap geometry |
Voice Coil | LF: 2″ HF: 1″ |
Dimensions (HxWxD) | 14.4 x 14.4 x 8.8″ (366 x 366 x 223mm) |
Weight | 16 lb (7.3 kg) |