ลำโพงซับวูฟเฟอร์ ติดเพดาน ขนาด 8 นิ้ว 400 วัตต์ (ราคาต่อใบ)
หมวดหมู่ : สินค้าโปรโมชั่น ,  สินค้าระบบเสียง ,  ลำโพง ,  ลำโพงติดเพดาน , 
แบรนด์ : QSC
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QSC AD-C81Tw 8-inch subwoofer
Features
Package Includes:
SPECIFICATIONS | AD-C81Tw |
Configuration | Ceiling subwoofer, ported |
Low-frequency Transducer | 8-inch (20 cm) weather resistant, polypropylene cone woofer, rubber surround |
Frequency Range 1 Frequency Response (-6 dB) Useable Frequency Range (-10 dB) | 39 Hz to 184 Hz 28 Hz to 208 Hz |
Filter | 120 Hz low pass, passive, bypassable |
Maximum Output 2 Calculated Peak Output Calculated Continuous Output | 118 dB SPL 112 dB SPL |
Nominal Impedance | 8 ohms switchable |
Power Rating Continuous power handling3 Recommended amplifier power (loudspeakerprogram" power) | 100 W (100 hours IEC) 200 W |
Sensitivity | 92 dB, 2.83 V, 1 m, free space (4 pi) |
TRANSFORMERS | |
Type | Custom low distortion laminated core, wide bandwidth design |
Taps (switch selected) | 70 V: 60, 30, 15, 7.5 W; 8Ω 100 V: 60, 30, 15 W; 8Ω |
Environmental | Exceeds Mil Spec 810 for humidity, salt spray and dust; IEC 60529 IP-X3 splash rating |
Agency Rating | Listed UL1480, UL2043 safe for use in air handling spaces; Transformer is Listed UL1876; Compliant BS/EN 60849 safety standards |
ENCLOSURE | |
Material | Injection molded, high impact polystyrene baffle on a steel enclosure |
Finish | White (paintable) |
Grille | Painted aluminum |
Connectors | Ceramic block or 4-pin Euro terminals in fire protective sub-chamber |
Mounting Hardware | Rails and C-ring for ceiling tile installation |
Weight | 20 lb (9.1 kg) Net 28 lb (12.7 kg) Shipping |
Available Accessories | ADC-MRS Mud ring bracket ADC-NCS New construction bracket |