Focal 100 KRS User Manual

4 K SLIM (100 KRS WOOFER KIT)

Unit : mm

ø

ø
ø

ø

113,5

ø

ø

127

102

5

4,50

39

12

65
77
93

46

4’’K2 Power® woofer

• Extra slim 39 mmExtra slim 39 mm

• Zamak basketZamak basket

• Aluminium phase plugAluminium phase plug

• Neodymium magnetNeodymium magnet

Frequency response / Impedance

dB SPL

100

95

90

85

80

75

70

65

60

55

50

20 100 1000 10 000

0° and 30° frequency response

log Frequency - Hz

30°

Specifi cations

Nominal power 50 W
Maximum power 100 W
Sensitivity 90 dB
Cone K2 Composite Sandwich

®

Surround Butyl
Nom. impedance 4 ohms
DC resistance 3.2 ohms
VC diameter 25 mm 0.98 in
VC height 8.5 mm 0.33 in
Former Kapton

®

Layers 2
Wire Copper
Inductance 0,26 mH
Xmax 2.5 mm 0.10 in
Magnet (d x h) -­Magnet weight -­Flux density 0.9 T
Gap height 3 mm 0.11 in
Net weight 0.35 kg 0.77 lb

Parameters

Fs 140.6 Hz
Vas 1.13 l
Qts 0.872
Qes 0.96
Qms 9.55
Re (in parallel) 3.2 ohms

Ohms

0°

110

100

90

80

70

60

50

40

30

20

10

Sd 55.42 cm
Cas 8.04E-09 m5/N
Mas 159.23 kg/m
Ras 14733.21 ohms.ac
Cms 2.62E-4 m/N
Mms 4.89 g
Rms 452 g/s
Ces 339.49 mF
Les 3.77 mH
Res 31.83 ohms
BI 3.8 N/A
SPL 87 dB/W/m

2

4

Suggested application

Load V (l) FB (Hz) F-3 (Hz) Q1

Sealed 30 - 120 7

Mechanical Drawing

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