18 SOUND 21 NLW 9001
GeneralSpecifications |
|
nominal diameter | 533mm (21in) |
Rated Impedance | 8 ohms |
AES power | 1800W |
program power | 3600W |
peak power | 10000W |
sensitivity | 98dB |
frequency range | 25 - 1500Hz |
Power Compression @-10dB | 0.7dB |
Power Compression @-3dB | 1.5dB |
Power Compression @ Full Power | 2.2dB |
Max Recomm. frequencies | 150Hz |
recommend EnclosureVolume | 120 ÷ 500 lt (4.24 ÷ 17.7 cuft) |
minimum impedance | 7.6 ohms at 25°C |
Max peak-to-peak excursion | 70mm (2.75in) |
Voice coil diameter | 135mm (5.3in) |
Voice coil technology | split winding, 4 layers copper wire |
suspension | Triple roll, polycotton |
cone | Straight ribbed carbon fiber loaded cellulose |
Thiele Small Parameters |
|
Fs | 32Hz |
re | 5.9 ohms |
sd | 0.1662 sq.mt. (257.6 sq.in.) |
sqm | 4.5 |
Qes | 0.34 |
Qts | 0.31 |
vase | 244 lt. (8.62 cuft) |
Mms | 390 gr. (0.86 lb) |
BL | 37 tm |
Linear Mathematical Xmax | ±14mm (±0.55in) |
Le (1kHz) | 3.1mH |
Ref. Efficiency 1W@1m (half space) | 95.5dB |
Mounting information |
|
Overall diameter | 545mm (21.46in) |
N. of mounting holes and bolt | 8th |
Mounting holes diameter | 8.5mm (0.33in) |
Bolt circle diameter | 520mm (20.47in) |
Front mount baffle cutout ø | 492mm (19.37in) |
Rear mount baffle cutout ø | 490mm (19.29in) |
Total depth | 250mm (9.8in) |
Flange and gasket thickness | 18mm (0.7in) |
Net weight | 14kg (30.9lb) |
Shipping weight | 15.5kg (34.2lb) |
Cardboard packaging dimensions | 570x570x290mm (22.4x22.4x11.4in) |