Focal 33 KX User Manual

33 KX

330 mm K2 Power® subwoofer

Multiferrites magnet

•

• Zamak basket

• For closed box

• High power handling

• Dual voice coil

Suggested Application

Sealed enclosure

30 liters (1.06 cu. ft.)
F - 3 = 42Hz / Fast and tight bass

SPL (dB) 1W/1m

Frequency (Hz)

Mechanical Drawing

320

ø

8xø 5,50

©Focal-JMlab - SC030519/1

11

40 liters (1.41 cu. ft.)
F - 3 = 41Hz / Punchy and dynamic bass

50 liters (1.77 cu. ft.)
F - 3 = 40Hz / Deep and articulate bass

ø 335

ø 198
ø 289

8

19

180

62

Unit : mm

Specifi cations

Nominal power
Maximum power
Sensitivity
Cone
Surround
Nom. impedance
DC resistance
VC diameter
VC height
Former
Layers
Wire
Inductance
Xmax
Magnet d x h (18)
Magnet weight
Flux density
Gap height
Net weight

400 W
800 W
90 dB
K2 Composite Sandwich
Butyl
4 ohms (2 x 2)

4.2 ohms (2 x 2.1)
65 mm 2.55 in
32 mm 1.26 in
aluminium
4
Copper

4.3 mH (in series)
11 mm 0.43 in
60 x 14 mm 2.36 x 0.55 in
2916 g 6.42 Ib

0.9 T
10 mm 0.39 in

9.8 kg 21.6 Ib

®

Parameters

Fs
Vas
Qts
Qes
Qms
Re
Sd
Cas
Mas
Ras
Cms
Mms
Rms
Ces
Les
Res
BI
SPL

39 Hz

24.59 I 0.86 Ft

0.733

0.84

5.77

4.2 ohms (in series)

490.87 cm

1.75E-07 m5/N

95.12 kg/m

4039.65 ohms.ac

7.27E-05 m/N

229.2 g 0.5 Ib
9734 g/s

816.18 mF

20.4 mH

28.85 ohms

16.76 N/A (in series)

84.24 dB/W/m

2

7.6 in

4

Suggested application

Load V (l) Fb (Hz) F-3 (Hz) Ql
Sealed
Sealed
Sealed

30 - 42 7
40 - 41 7
50 - 40 7

3

2

BP 374 - 108, rue de l'Avenir - 42353 La Talaudière cedex - France - Tel. [phone] - Fax [phone] - www.focal-fr.com

Focal® is a trademark of Focal-JMlab

®