6 W3 Be
6.5’’ Utopia Be® woofer
• W cone
Specifications
• Neodymium magnet
• Zamak basket
100 W
200 W
89 dB
Nominal power
Maximum power
Sensitivity (2.83V/m)
Cone
W
Rubber
4 ohm
3.22 ohm
40 mm
17 mm
Kapton®
2
Surround
Nom. impedance
DC resistance
VC diameter
VC height
Former
1.57 in
0.7 in
Layers
Copper
0.69 mH
5.5 mm
Neodymium
0.8 T
Wire
Inductance
Xmax
Magnet
Flux density
Gap height
Net weight
6 mm
0.25 in
2 Ibs
0.9 kg
Frequency Response / Impedance
On axis, 0° and 45° off axis frequency response
dB SPL
100
95
Ohm
105
95
Parameters
Fs
55.28 Hz
90
85
Vas
Qts
Qes
Qms
Re
9.92 I
85
80
75
65
0.765
0.82
75
70
65
60
55
50
55
45
35
25
15
05
11.42
3.22 ohm
132.73 cm2
7.07E-08 m5/N
117.32 kg/m4
3568.36 ohm.ac
4.01E-04 m/N
20.67 g
Sd
Cas
Mas
Ras
Cms
Mms
Rms
Ces
Les
Res
BI
20
100
1000
10000
Log Frequency - Hz
0.629 kg/s
733.18 mF
11.31 mH
44.84 ohm
5.31 N/A
Mechanical Drawing
SPL
84.95 dB/W/m
Unit: mm
Focal® is a trademark of Focal-JMlab®
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