BMS 15N840L - 15" Neodym Lautsprecher 1200 W 8 Ohm

FEATURES
95dB sensitivity 1W/1m
1.200W Power handling
4” copper sandwich voice coil for low power compression
Neodymium magnet system
Double treated cone for water protection
Triple aluminium demodulating rings for ultra low distortion
Optimal for high output subwoofers
Light weight carbon fiber diaphragm

SPECIFICATIONS
APPLICATION infra-subwoofer
Nominal impedance Ohm 8
Power handling AES noise W 1200
Sensitivity ( 1W/1m ) dB 95
Frequency response Hz 22 - 300
Voive coil diameter mm 101.6 (4”)
Voice coil material Cu
Voice coil winding depth mm 32
Magnet gap depth mm 10
Basket Cast Aluminium
Effect. diaphragm diameter D mm 330

THIELE – SMALL PARAMETERS
Resonance frequency Fs Hz 35.6
DC resistance Re Ohm 5
Mechanical Q factor Qms 6.26
Electrical Q factor Qes 0.28
Total Quality factor Qts 0.27
Equivalent volume Vas L 129.95
Moving mass Mms kg 0.155
Mechanical compl. Cms mm/N 0.130
BL factor BL Tesla m 24.6
Effective piston area Sd m2 0.0845
Max. linear excursion Xmax mm 11
Voice coil inductance Le1k mH 0.87
Le10k mH 0.51

MOUNTING INFORMATION
Overall diameter mm 388
Mounting holes diameter mm 8 x (7 x 8)
Bolt circle diameter mm 371
Baffle cut-out diameter mm 358
Overall depth mm 194
Net weight kg 6.8