Focal K2 Power 40 KX User manual

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BP 374 - 108, rue de l'Avenir - 42353 La Talaudière cedex - France - Tel. [phone] - Fax [phone] - www.focal-fr.com
Specifications
Parameters
Suggested application
©Focal-JMlab - SC030519/1
Mechanical Drawing
Suggested Application
Sealed enclosure
SPL (dB) 1W/1m
Frequency (Hz)
Unit : mm
40 KX
400 mm K2 Power®subwoofer
•Multiferrites magnet
•Zamak basket
•For closed box
•High power handling
•Dual voice coil
ø198
ø407
62
ø351
206
18
7,60
11
ø390
8xø6,50
40 liters (1.41 cu. ft.)
F - 3 = 41Hz / Fast and tight bass
60 liters (2.19 cu. ft.)
F - 3 = 37Hz / Punchy and dynamic bass
80 liters (2.82 cu. ft.)
F - 3 = 36Hz / Deep and articulate bass
Nominal power 500 W
Maximum power 1000 W
Sensitivity 92.5 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 1.25 in
Former aluminium
Layers 4
Wire Copper
Inductance 4.2 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 I
Flux density 0.9 T
Gap height 10 mm 0.39 in
Net weight 10.7 kg 23.58 I
Fs 34.6 Hz
Vas 64.83 I 2.28 Ft3
Qts 0.82
Qes 0.97
Qms 5.3
Re 4.2 ohms (in series)
Sd 804.25 cm2124.65 in2
Cas 4.62E-07 m5/N
Mas 45.84 kg/m4
Ras 1880.29 ohms.ac
Cms 7.14E-05 m/N
Mms 296.5 g 0.65 I
Rms 12.162 g/s
Ces 1062.35 mF
Les 19.92 mH
Res 22.95 ohms
BI 16.71 N/A (in series)
SPL 86.26 dB/W/m
Load V (l) Fb (Hz) F-3 (Hz) Ql
Sealed 40 - 41 7
Sealed 60 - 37 7
Sealed 80 - 36 7