Focal 4 A3 Car Speaker User Manual


 
Focal® is a trademark of Focal-JMlab® - BP 374 - 108, rue de l’Avenir - 42353 La Talaudière cedex
France - Tél. (33) 04 77 43 57 00 - Fax (33) 04 77 37 65 87 - www.focal-fr.com - SCBD080422/1
4 A3 (165 A3 midrAnge kit)
4" Access 1 midrange
All weather woven glass ber cone
Phase plug
Ø102
Ø116,80
4 x
Ø
5,30
Ø127
9,50
4
56,40
20,60
Ø72
Ø94
Nominal power 80W
Maximum power 160W
Sensitivity 89 dB
Cone Braided glass ber
Surround Butyl
Nom. impedance 4 ohms
DC resistance 3.3 ohms
VC diameter 25 mm 1 in
VC height 11 mm 7/16 in
Former Kapton
®
Layers 2
Wire Copper
Inductance -
Xmax 2.5 mm 0.18 in
Magnet d x h 70 x 15 mm 2-3/4 x 9/16 in
Magnet weight 0.25 kg 0.66Ib
Flux density 1 T
Gap height 5.5 mm 3/16 in
Net weight 0.5 kg 1.1 Ib
Fs 94.54 Hz
Vas 1.66 l
Qts 0.76
Qes 0.86
Qms 6.66
Re 3.37 ohms
Sd 54.11 cm
2
Cas 1.18E-08 m5/N
Mas 240.14 kg/m4
Ras 21418.27 ohms.ac
Cms 4.03E-04 m/N
Mms 7.03 g
Rms 0.414 kg/s
Ces 429.61 mF
Les 6.60 mH
Res 26.25 ohms
BI 4.06 N/A
SPL 84 dB/W/m
Load V (l) Fb (Hz) F-3 (Hz) Ql
Sealed 30 - 89 7
©Focal-JMlab - DB080422/1
30°
Mechanical Drawing
Unit : mm
100
95
90
85
80
75
70
65
60
55
50
dB SPL
110
100
90
80
70
60
50
40
30
20
10
Ohms
Log Frequency - Hz
20
100 1000 10 000
Frequency Response / Impedance
Specications
Parameters
Suggested application