100 VRS
4 " P o l y g l a s s 2 - w a y
• Zamak chassis
Specifications
• Polyglass cone, Butyl surround
• Neodymium magnet
Nominal power
Maximum power
Sensitivity
50 W
100 W
91 dB
Polyglass
Butyl
4 ohms
3.2 ohms
25 mm
8 mm
Kapton
2
Cone
Surround
Nom. impedance
DC resistance
VC diameter
VC height
Former
Layers
Wire
Inductance
Xmax
Magnet d x h
Magnet weight
Flux density
Gap height
Net weight
Copper
0.2 mH
2 mm
-
-
1.1 T
3 mm
350 g
0.77 lb
Parameters
Frequency response / Impedance
On axis, 0° and 30 ° off axis frequency response
Fs
117.66 Hz
1.43 I
0.811
0.880
10.410
3.55 ohms
52.81 cm2
1.02E-08 m5/N
179.28 kg/m4
12731.89 ohms.ac
3.66E-04 m/N
5.00 g
0.355 Kg/s
335.31 mF
5.46 mH
0.05 Ft3
8.18 in2
0.01 lb
Vas
Qts
Qes
Qms
Re
dB SPL
100
Ohms
110
95
90
100
90
85
80
80
70
Sd
Cas
Mas
Ras
Cms
Mms
Rms
Ces
Les
75
70
65
60
55
50
60
50
40
30
20
10
Res
BI
41.99 ohms
3.86 N/A
20
100
1000
10000
SPL
Log Frequency - Hz
86.08 dB/W/m
Suggested application
Mechanical Drawing
Load V (l) Fb (Hz) F-3 (Hz) Ql
Sealed 30
-
105
7
Unit : mm
Focal® is a trademark of Focal-JMlab® - BP 374 - 108, rue de l’Avenir - 42353 La Talaudière cedex
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