Haut-parleur BMS 8N515 - Low Midrange Driver
[8N515-8] Avis/Critiques Features :
- 96dB sensitivity 1W/1m
- 200W Power handling
- Extremely light weight of 1.98kg
- 2” aluminium sandwich voice coil for low power compression
- Double treated cone for water protection
- Neodymium magnet system
- Triple aluminium demodulating rings for ultra low distortion
- Optimal for compact 2-way systems
SPECIFICATIONS
APPLICATION Low-Middle
Nominal impedance Ohm 8
Power handling AES noise W 200
Sensitivity ( 1W/1m ) dB 96
Frequency response Hz 80 - 3000
Voive coil diameter mm 52 (2”)
Voice coil material Al
Voice coil winding depth mm 15
Magnet gap depth mm 7
Basket Cast Aluminium
Effect. diaphragm diameter D mm 168
THIEL – SMALL PARAMETERS
Resonance frequency Fs Hz 87.7
DC resistance Re Ohm 5.40
Mechanical Q factor Qms 4.34
Electrical Q factor Qes 0.32
Total Quality factor Qts 0.30
Equivalent volume Vas L 11.04
Moving mass Mms kg 0.0206
Mechanical compl. Cms mm/N 0.16
BL factor BL Tesla m 13.80
Effective piston area Sd m2 0.0222
Max. linear excursion Xmax mm 4
Voice coil inductance Le1k mH 0.20 (4 Ohm)
Le10k mH 0.12 (4 Ohm)
MOUNTING INFORMATION
Overall diameter mm 205
Mounting holes diameter mm 4 x (6 x 6.5)
Bolt circle diameter mm 195 - 197
Baffle cut-out diameter mm 182
Overall depth mm 102
Net weight kg 1.98
Recommended reflex enclosure:
4L/108Hz, BRD=60mm/127mm long
7L/82Hz, BRD=60mm/126mm long
10L/70Hz, BRD=60mm/111mm long
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