NTR15-3018E
15-inch cast aluminium chassis, neodymium magnet LF driver
Coated glass-loaded cone for enhanced weather resistance
Vented magnet assembly for more efficient cooling
Compact high flux Dual Magnet Motor design
Nominal diameter
381mm / 15in
Power rating
450W
Continuous power rating
900W
Rated impedance
8Ω
Sensitivity
98dB
Frequency range
30-3000Hz
Chassis type
Cast aluminium
Magnet type
Neodymium
Voice coil diameter
75mm / 3in
Voice coil material
Edgewound copper
Former material
Glass fibre
Cone material
Glass loaded paper (weather-resistant)
Surround material
Cloth-sealed
Suspension
Single
Gap height (H
g
)
10mm / 0.39in
VC winding height (H
vc
)
20mm / 0.79in
Parameters
Sd
855.30cm
2
/ 132.57in
2
Fs
34.90Hz
Mms
104.12g / 3.67oz
Qms
4.863
Qes
0.301
Qts
0.283
Re
5.85Ω
Vas
207.27I / 7.32ft
3
BI
21.07Tm
Cms
0.20mm/N
Rms
4.69kg/s
Le (at 1kHz)
1.18mH
Xmax
5mm / 0.2in
Mounting Information
Overall diameter
386mm / 15.2in
Overall depth
162mm / 6.4in
Cut-out diameter
351mm / 13.8in
Mounting hole dimensions
10x7mm / 0.4x0.27in
Number of mounting holes
8
Mounting hole PCD
367-373mm / 14.4-14.7in
Unit weight
4kg / 8.8lb