Focal K2 Power 40 KX User manual

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 - 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

ø351

206

7,60

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

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