NT7218L HF Drivers 3 inches

Notes

3 INCH ALUMINIUM VOICE COIL
 
108 dB/SPL SENSITIVITY
 
220 WATT PROGRAM POWER HANDING
 
FEM OPTIMIZED MOTOR ,PHASEPLUG AND DIAPHRAGM
 
500-18000 Hz FREQUENCY RANGE
 
TITANIUM DIAPHRAGM AND SUSPENSION
 
VOICE COIL COPPER DEMODULATION RING

GENERAL SPECIFICATIONS

Throat diameter 36(1.4) mm (in.)
Nominal impedance 8 Ω
Minimum impedance 6 Ω
Program power (1) 220 W
AES Power rating(2) 110 W
Sensitivity (3) 108 dB
Frequency range 500 ~ 18000 Hz
Voice coil diameter 72(3) mm (in.)
Magnet material Neodymium
Magnet dimensions (ODxIDxh) 97 mm
Coil material ALR
Former material Kapton
Diaphragm material Titanium
Voice coil Inductance 0.09
Flux density 1.8 T
Recommended crossover (4) 1200 Hz

SHIPPING INFORMATION

Net weight 2 Kg
Multipack size (12) (W x D x H) 400 x 270 x 165 mm
Multipack weight 25.8(12PCS) Kg

OTHERS

(1)Program power is defined as 3 dB greater than AES Power
(2)Horn loaded test 2h with continuous, brand-limited(500-18000Hz,12dB/oct)pink noise as per AES 2-1984 Rev.2003.
(3)Measured on axis at 2.83V,1m, driver loaded with 80°× 60° horn, SPL average in the frequency range 500- 18000 Hz.
(4)High pass filter with slop 12 dB/oct. or higher.