Focal 21 WX Be Leaflet
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
©Focal-JMlab - SCFR041
1
08/2
Unit: mm
21 WX Be
8’’ Utopia Be® subwoofer
250 W
500 W
86.5 dB
W
Rubber
4 ohm
3.4 ohm
50 mm
2 in
25 mm
1 in
Aluminum
2
Copper
1.13 mH
8.5 mm
0.33 in
15x45 mm
0.6 x1.8 in
1.3 kg
2.9 Ibs
0.85 T
8 mm
0.31 in
4 kg
8.8 Ibs
36.63 Hz
18.8 I
0.6
0.77
2.81
3.4 ohm
208.67 cm
2
1.34E-07 m
5
/N
141.01 kg/m
4
11549.11 ohm.ac
3.07E-04 m/N
61.4 g
5.029 kg/s
984 mF
19.19 mH
12.41 ohm
7.9 N/A
82.63 dB/W/m
•
Multiferrite magnet
•
W cone
•
For compact closed box
•
High power handling
Suggested application
Load
V (l)
Fb (Hz)
F-3 (Hz)
Ql
Sealed
30
-
43
0.77
Sealed
15
-
45
0.907
Frequency Response
Nominal power
Maximum power
Sensitivity
(2.83V/m)
Cone
Surround
Nom. impedance
DC resistance
VC diameter
VC height
Former
Layers
Wire
Inductance
Xmax
Magnet (12 units)
Magnet weight
Flux density
Gap height
Net weight