Haut-parleur coaxial 20cm BMS 8CN552
[8CN552-8+16] Avis/Critiques Features:
95.5 dB sensitivity 1 W / 1 m
200 W + 80 W
Power handling
2” + 1.75” aluminium sandwich voice coil
Single point
source providing coherent wave front
90° conical dispersion
Optimal for
compact two-way systems
APPLICATION Transducer
Nominal impedance Ohm 8
Power
handling AES noise W 200
Sensitivity ( 1W/1m ) dB 95.5
Frequency response
Hz 70 - 3000
Voice coil diameter mm 52 (2”)
Voice coil material
Al
Voice coil winding depth mm 15
Magnet gap depth mm 7
Basket Cast
Aluminium
Voice coil inductance Le mH 0.179 (4 Ohm)
THIELE – SMALL PARAMETERS
Resonance frequency Fs Hz
87.6
DC resistance Re Ohm 5.40
Mechanical Q factor Qms 5.28
Electrical
Q factor Qes 0.30
Total Quality factor Qts 0.29
Equivalent volume Vas L
10.08
Moving mass Mms kg 0.0183
Mechanical compl. Cms mm/N 0.18
BL
factor BL Tesla m 13.44
Effective piston area Sd m2 0.0200
Max. linear
excursion Xmax mm 4
SPECIFICATIONS HIGH FREQUENCY
Nominal impedance Ohm
16
Power handling AES W 80
Peak Power W 450
Sensitivity ( 1W/1m ) dB
112
Frequency range Hz 1500 - 20000
Recommended crossover Hz 1500
Voice
coil diameter mm 44.4 (1.75”)
Magnet material Neodymium
Fluchs density T
2
Voice coil material Copper Clad Aluminium
(2Layers in and outside of the
VC)
Voice coil former Kapton™
Diaphragm material Polyester
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 115
Net weight kg 2.15
Frequency response measured 1W (2.38V) at 1m in a closed enclosure of 10
litre.
Recommended reflex enclosure:
3L/115Hz, BRD=50mm/98mm
long
8L/85Hz, BRD=60mm/94mm long
10L/66Hz, BRD=60mm/139mm long
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