Haut-parleur 38cm BMS 15S420
[15S420-8] Avis/Critiques

Features
98 dB sensitivity 1 W / 1 m 
900 W Power handling 
4" copper sandwich voice coil for low power compression 
Double treated cone for water protection 
Triple aluminium demodulating rings for ultra low distortion 
Optimal for high output 2- or 3-way systems

SPECIFICATIONS

APPLICATION Low-Middle 
Nominal impedance Ohm 8
Power handling AES noise W 900
Sensitivity ( 1W/1m ) dB 98
Frequency response Hz 40 - 2500
Voice coil diameter mm  101.6 (4")
Voice coil material Cu
Voice coil winding depth mm 20
Basket Cast Aluminium 
Effect. diaphragm diameter D mm 335

THIELE - SMALL PARAMETERS
Resonance frequency Fs Hz 39.8
DC resistance Re Ohm 5.90
Mechanical Q factor Qms 4.96
Electrical Q factor Qes 0.26
Total Quality factor Qts 0.25
Equivalent volume Vas L 152
Moving mass Mms kg 0.114
Mechanical compl. Cms mm/N 0.140
BL factor BL Tesla/m 25.5
Effective piston area  Sd m² 0.0880
Max. linear excursion Xmax mm ± 5
Voice coil Inductance Le1k μH 1.54 

MOUNTING INFORMATION
Overall diameter mm 388
Mounting holes diameter mm 7 x 8
Bolt circle diameter mm 371
Net weight kg 10.6

Frequency response measured 100W 1m incl. 2nd and 3rd harmonic distortion raised 20dB.