33 KX
330 mm K2 Power® subwoofer
• Multiferrites magnet
• Zamak basket
Specifications
Nominal power
Maximum power
Sensitivity
Cone
400 W
• For closed box
800 W
• High power handling
• Dual voice coil
90 dB
K2 Composite Sandwich®
Surround
Butyl
Nom. impedance
DC resistance
VC diameter
VC height
Former
4 ohms (2 x 2)
4.2 ohms (2 x 2.1)
65 mm
2.55 in
1.26 in
32 mm
aluminium
4
Layers
Wire
Copper
Inductance
Xmax
4.3 mH (in series)
11 mm
0.43 in
Magnet d x h (18) 60 x 14 mm
2.36 x 0.55 in
6.42 Ib
Magnet weight
Flux density
Gap height
Net weight
2916 g
0.9 T
10 mm
9.8 kg
0.39 in
21.6 Ib
Suggested Application
Sealed enclosure
40 liters (1.41 cu. ft.)
F - 3 = 41Hz / Punchy and dynamic bass
Parameters
Fs
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
39 Hz
Vas
24.59 I
0.86 Ft3
7.6 in2
0.5 Ib
Qts
0.733
Qes
Qms
Re
0.84
5.77
4.2 ohms (in series)
490.87 cm2
1.75E-07 m5/N
95.12 kg/m4
4039.65 ohms.ac
7.27E-05 m/N
229.2 g
Sd
Cas
Mas
Ras
Cms
Mms
Rms
Ces
Les
Frequency (Hz)
9734 g/s
816.18 mF
20.4 mH
Mechanical Drawing
Res
BI
28.85 ohms
16.76 N/A (in series)
84.24 dB/W/m
ø
335
SPL
Suggested application
Load
V (l)
Fb (Hz) F-3 (Hz)
Ql
7
Sealed
Sealed
Sealed
30
-
-
-
42
41
40
ø 198
ø 289
40
7
50
7
Unit : mm
Focal® is a trademark of Focal-JMlab®
BP 374 - 108, rue de l'Avenir - 42353 La Talaudière cedex - France - Tel. +33 4 77 43 57 00 - Fax +33 4 77 43 57 04 - w w w . f o c a l - f r . c o m
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