Haut-parleur 38cm BMS 15N620
[15N620] |
|
Features
98dB sensitivity 1W/1m
500W Power handling
Extremely light weight of 3.4kg
3” copper sandwich voice coil for low power compression
Neodymium magnet system
Triple aluminium demodulating rings for
ultra low distortion
Optimal for compact two or three way-systems
SPECIFICATIONS
APPLICATION Low-Middle
Nominal impedance Ohm 8 4
Power handling AES noise W 500
Sensitivity ( 1W/1m ) dB 98
Frequency response Hz 35 - 2500
Voive coil diameter mm 77 (3”) 77 (3”)
Voive coil winding depth mm 19
Magnet gap depth mm 8
Voice coil material Cu Cu
Basket Cast Aluminium
Effect. diaphragm diameter D mm 335
THIELE – SMALL PARAMETERS
Resonance frequency Fs Hz 40.0 39.8
DC resistance Re Ohm 5.90
Mechanical Q factor Qms 6.10
Electrical Q factor Qes 0.33 0.33
Total Quality factor Qts 0.31 0.31
Equivalent volume Vas L 144.8
Moving mass Mms kg 0.115 0.117
Mechanical compl. Cms mm/N 0.140
BL factor BL Tesla/m 22.90 16.06
Effective piston area Sd m2 0.0880
Max. linear excursion Xmax mm 5.5
Voice coil inductance Le1k μH 1.28
Le10k μH 0.48
MOUNTING INFORMATION
Overall diameter mm 388
Mounting holes diameter mm 7 x 8
Bolt circle diameter mm 371
Baffle cut-out diameter mm 358
Overall depth mm 177
Net weight kg 3.4
Recommended reflex enclosure:
60L/50Hz, -3dB=56Hz, BRD=130mm/150mm long
80L/45Hz, -3dB=50Hz, BRD=140mm/162mm long
Frequency response measured 100W (28.3V)@ 1m in a closed enclosure of 100 litre in an anechoic chamber incl. 2nd and 3rd harmonic distortion raised 20dB.
|
