Subwoofer Specification Sheet

Focal
®
is a trademark of Focal-JMlab
®
BP 374 - 108, rue de l'Avenir - 42353 La Talaudière cedex - France - Tel. [phone] - Fax [phone] - www.focal-fr.com
Specifi cations
Parameters
Suggested application
©Focal-JMlab - SC030519/1
Mechanical Drawing
Suggested Application
Sealed enclosure
SPL (dB) 1W/1m
Frequency (Hz)
Unit : mm
Nominal power
400 W
Maximum power
800 W
Sensitivity
90 dB
Cone
K2 Composite Sandwich
®
Surround
Butyl
Nom. impedance
4 ohms (2 x 2)
DC resistance
4.2 ohms (2 x 2.1)
VC diameter
65 mm 2.55 in
VC height
32 mm 1.26 in
Former
aluminium
Layers
4
Wire
Copper
Inductance
4.3 mH (in series)
Xmax
11 mm 0.43 in
Magnet d x h (18)
60 x 14 mm 2.36 x 0.55 in
Magnet weight
2916 g 6.42 Ib
Flux density
0.9 T
Gap height
10 mm 0.39 in
Net weight
9.8 kg 21.6 Ib
Fs
39 Hz
Vas
24.59 I 0.86 Ft
3
Qts
0.733
Qes
0.84
Qms
5.77
Re
4.2 ohms (in series)
Sd
490.87 cm
2
7.6 in
2
Cas
1.75E-07 m
5
/N
Mas
95.12 kg/m
4
Ras
4039.65 ohms.ac
Cms
7.27E-05 m/N
Mms
229.2 g 0.5 Ib
Rms
9734 g/s
Ces
816.18 mF
Les
20.4 mH
Res
28.85 ohms
BI
16.76 N/A (in series)
SPL
84.24 dB/W/m
Load V (l) Fb (Hz) F-3 (Hz) Ql
Sealed
30 - 42 7
Sealed
40 - 41 7
Sealed
50 - 40 7
33 KX
330 mm K2 Power® subwoofer
•
Multiferrites magnet
• Zamak basket
• For closed box
• High power handling
• Dual voice coil
30 liters (1.06 cu. ft.)
F - 3 = 42Hz / Fast and tight bass
50 liters (1.77 cu. ft.)
F - 3 = 40Hz / Deep and articulate bass
40 liters (1.41 cu. ft.)
F - 3 = 41Hz / Punchy and dynamic bass
ø 198
62
180
19
ø 335
ø 289
8
11
ø
320
8xø 5,50