Eighteen Sound (18 Sound) 12NMB420/8 12'' динамик СЧ

диаметр 12"
Магнит неодим
Импеданс 8 Ом
Мощность 300 Вт AES
Чувствительность 100.5 дБ
Частотный диапазон 55...6000 Гц

• 100,5 dB SPL 1W/1m average sensitivity
• 65 mm (2,5 in) Interleaved Sandwich Voice coil (ISV)
• 300 W continuous pink noise power handling
• External neodymium magnet assembly
• Single Demodulating Rings (SDR) for lower distortion
• Weather protected cone and plates for outdoor usage
• Ideal for high quality monitoring and sound reinforcement applications
GENERAL SPECIFICATIONS

Nominal diameter 300 mm (12 in)
Rated impedance 8 Ohm
Continuous pink noise (1) 300 W
Continuous power (2) 220 W
Program power (3) 450 W
Peak power (4) 900 W
Sensitivity (5) 100,5 dB
Frequency range (6) 55-6000 Hz
Max recomm. frequency 2000 Hz
Recomm. enclosure volume 50-100 lit (1,77-3,53 cuft)
Voice coil diameter 22 mm (0,87 in)
Voice coil winding material 64 mm (2,52 in)
THIELE SMALL PARAMETERS (7)
Fs 53 Hz
Re 5,2 Ohm
Sd 0,053 sqmt (82,15 sqin)
Qms 3,6
Qes 0,3
Qts 0,28
Vas 105 lit (3,71 cuft)
Mms 33,5 gr (73,95 Ib)
BL 13,9 Tm
Linear Mathematical Xmax (8) ±4 mm (±0.16 in)
Le (1 kHz) 0,2 mH
Ref. Efficiency 1W@1m (half space) 99 dB
MOUNTING INFORMATIONS
Overall diameter 315 mm (12,40 in)
N. of mounting holes 8
Mounting hole diameter 7,15 mm (0,28 in)
Bolt circle diameter 296-300 mm (11.65-11.8 in)
Front mount battle cutout diameter 282 mm (11,10 in)
Total depth 127 mm (5,00 in)
Flange and gasket thickness 11,5 mm (0,45 in)
Net weight 2,7 kg (5,96 Ib)
Shipping weight 3 kg (6,62 Ib)
Cardboard packing dimensions 332x332x184 mm (13.07x13.07x7.24 in)