5 W2 Be
5’’ Utopia Be® woofer
• W cone
Specifications
• Aluminum focus phase plug
• Neodymium magnet
• Zamak basket
75 W
Nominal power
Maximum power
Sensitivity (2.83V/m)
Cone
150 W
89.5 dB
W
Rubber
4 ohm
Surround
Nom. impedance
DC resistance
VC diameter
VC height
Former
3.48 ohm
32 mm
13 mm
Black Kapton®
2
1.26 in
0.5 in
Layers
Copper
0.38 mH
3.5 mm
Neodymium
0.8 T
Wire
Inductance
Xmax
0.14 in
Magnet
Flux density
Gap height
Net weight
6 mm
0.24 in
0.65 kg
1.43 Ibs
Frequency Response / Impedance
On axis, 0° and 45° off axis frequency response
dB SPL
95
Ohm
110
Parameters
90
85
100
90
Fs
67.47 Hz
Vas
Qts
Qes
Qms
Re
5.23 I
80
75
80
70
0.6
0.64
70
65
60
55
50
45
60
50
40
30
20
10
9.37
3.48 ohm
86.59 cm2
3.73E-08 m5/N
149.38 kg/m4
6758.22 ohm.ac
4.97E-04 m/N
11.2 g
Sd
Cas
Mas
Ras
Cms
Mms
Rms
Ces
Les
Res
BI
20
100
1000
10000
Log Frequency - Hz
0.507 kg/s
433.82 mF
12.83 mH
50.95 ohm
5.08 N/A
85.84 dB/W/m
Mechanical Drawing
SPL
Unit: mm
Focal® is a trademark of Focal-JMlab®
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