Fs
Vas
Qts
Qes
Qms
Re
Sd
Cas
Mas
Ras
Cms
Mms
Rms
Ces
Les
Res
BI
SPL
Focal
®
is a trademark of Focal-JMlab
®
108, rue de l'Avenir - BP 374 - 42353 La Talaudière cedex - France - Tel. +33 4 77 43 57 00 - Fax +33 4 77 43 57 04 - www.focal-fr.com
Specifi cations
Parameters
Mechanical Drawing
Frequency Response / Impedance
Ohm
Log Frequency - Hz
20
100
1 000
10 000
Unit: mm
3 W2 Be
3" Utopia Be® midrange
•
W cone
•
Neodymium magnet
•
Zamak basket
100
95
90
85
80
75
70
65
60
55
50
110
100
90
80
70
60
50
40
30
20
10
20
100
1 000
10 000
On axis, 0° and 45° off axis frequency response
dB SPL
50 W
100 W
88 dB
W
Rubber
4 ohm
3.37 ohm
25 mm
1 in
8.5 mm
Kapton
®
2
Aluminum
0.11 mH
2 mm
0.08 in
Neodymium
1.2 T
4 mm
0.16 in
0.18 kg
0.4 Ib
188.74 Hz
0.31 I
0.729
0.770
13.790
3.37 ohm
30.19 cm
2
2.18E-09 m
5
/N
325.84 kg/m
4
28021.38 ohm.ac
2.39E-04 m/N
2.97 g
0.255 kg/s
192.67 mF
3.69 mH
60.35 ohm
3.93 N/A
86.12 dB/W/m
Nominal power
Maximum power
Sensitivity
(2.83V/m)
Cone
Surround
Nom. impedance
DC resistance
VC diameter
VC height
Former
Layers
Wire
Inductance
Xmax
Magnet
Flux density
Gap height
Net weight
©Focal-JMlab - SCFR041
108/3
