15-inch Drivers
NW-157508
The NW-157508 is a 15-inch neodymium woofer for subwoofer and bass cabinet systems. It handles 450 W AES (900 W program) with 96 dB sensitivity, a 45 Hz resonant frequency and a 76 mm aluminium voice coil. N38H neodymium magnet, only 4.9 kg net weight. AES standard power rating.
Specifications
- Nominal Diameter
- 15" / 380 mm
- Nominal Impedance
- 8 ohm
- Sensitivity (1W/1m)
- 96 dB
- Frequency Range
- 62 Hz - 3 kHz
- Voice Coil Diameter
- 76 mm / 3"
- Net Weight
- 4.9 kg
Full Thiele-Small parameters available on request – contact contact@brave-audio.com
GENERAL SPECIFICATIONS
Nominal Diameter | 15" / 380 mm |
Nominal Impedance | 8 ohm |
AES Power Handling | 450 W |
Continuous Program Power | 900 W |
Sensitivity (1W/1m) | 96 dB |
Frequency Range | 62 Hz - 3 kHz |
Voice Coil Diameter | 76 mm / 3" |
Winding Material | Aluminium |
Former Material | FGL |
Winding Depth | 15.5 mm |
Magnetic Gap Depth | 10 mm |
Surround Material | Paper cone with cloth surround |
Surround Design | W-shaped cloth |
MOUNTING INFORMATION
Overall Diameter | 393 mm |
Bolt Circle Diameter | 374 mm |
Baffle Cut-out Diameter | 354 mm |
Depth | 168 mm |
Net Weight | 4.9 kg |
Shipping Weight | 6.2 kg |
Shipping Carton Size | 420 x 420 x 210 mm |
THIELE-SMALL PARAMETERS
Fs (Resonance Frequency) | 45 Hz |
Re (DC Resistance) | 6 ohm |
Qms (Mechanical Factor) | 4.62 |
Qes (Electrical Factor) | 0.66 |
Qts (Total Factor) | 0.57 |
Cms (Compliance) | 0.1237 mm/N |
Mms (Moving Mass) | 103.08 g |
BL Factor | 15.91 T.m |
Vas (Equivalent Air Load) | 130.98 liters |
Sd (Piston Area) | 870.9 cm2 |
Mmd (incl. air load) | 88.53 g |
