Eighteen Sound (18 Sound) 21LW1400/8 динамик расширенным НЧ

НЧ динамик для сабвуфера, диаметр 21"
Импеданс 8 Ом
Мощность 1400 Вт AES
Чувствительность 99 дБ
Частотный диапазон 24...2000 Гц

• 99 dB SPL 1W/1m average sensitivity
• 100 mm (4 in) Interleaved Sandwich Voice coil (ISV)
• 1500W continuous pink noise power handling
• Weather protected cone and plates for outdoor usage
• Double Silicon Spider (DSS) for improved excursion control and linearity
• Double Demodulating Rings (DDR) for lower distortion and improved heat dissipation
• Improved heat dissipation via unique basket design
GENERAL SPECIFICATIONS

Nominal diameter 533 mm (21 in)
Rated impedance 8 Ohm
Continuous pink noise (1) 1500 W
Continuous power (2) 800 W
Program power (3) 1600 W
Peak power (4) 7000 W
Sensitivity (5) 99 dB
Frequency range (6) 24 - 2000 Hz
Max recomm. frequency 250 Hz
Recomm. enclosure volume 120 - 500 It. (4,24 - 17,7 cuft)
Voice coil diameter 100 mm (4 in)
Voice coil winding material copper
THIELE SMALL PARAMETERS (7)
Fs 28 Hz
Re 5 Ohm
Sd 0,1662 sq.mt. (257,6 sq.in.)
Qms 9,32
Qes 0,242
Qts 0.235
Vas 385 It. (13,6 cuft)
Mms 296 gr. (0,65 Ib)
BL 33,5 Tm
Linear Mathematical Xmax (8) ± 9,5 mm (±0,37 in)
Le(1kHz) 2,85 mH
Ref. Efficiency 1W@1m (half space) 98,0 dB
MOUNTING INFORMATIONS
Overall diameter 545 mm (21,46 in)
N. of mounting holes 8
Mounting hole diameter 10 mm (0,39 in)
Bolt circle diameter 520 mm (20,47 in
Front mount battle cutout diam. 492 mm (19,37 in)
Total depth 256,3 mm (10,1 in)
Flange and gasket thickness 14 mm (0,55 in)
Net weight 19,2 kg (42,38 Ib)
Shipping weight 20,6 kg (45,47 Ib)
Cardboard packing dimensions 550 x 550 x 300 mm (21,65x21,65x11,8 in)