Focal Car Speaker 30 A1 DB User Manual

30 A1 DB  
3 0 c m ( 1 2 ’ ’ ) A c c e s s 1 s u b w o o f e r  
All weather woven glass fiber cone  
65 mm/4 layer voice coil  
Voice coil cooling system  
Dual voice coil (2x4Ω)  
Specifications  
Nominal power 250 W  
Maximum power 500 W  
Sensitivity  
Cone  
91 dB  
Braided glass fiber  
Butyl  
Surround  
Nom. impedance 2 x 4 ohms  
DC resistance  
(in parallel)  
1.69 ohms  
VC diameter  
VC height  
Former  
65 mm  
18 mm  
Kapton®  
4
2-9/16 in  
11-16 in  
Layers  
Wire  
Copper  
0.68 mH  
5 mm  
Inductance  
Xmax  
3-16 in  
Magnet (d x h)  
145 x 20 mm  
5-11/16x13/16in  
2.45 Ib  
Magnet weight 1.15 kg  
Flux density  
Gap height  
Net weight  
0.8 T  
8 mm  
4.8 kg  
5/16 in  
10.58 Ib  
Parameters  
Fs  
29.5 Hz  
Vas  
66.32 I  
Qts  
0.52  
Qes  
Qms  
Re (in parallel)  
Sd  
0.55  
Suggested Application  
7.87  
1.69 ohms  
510.71 cm2  
9.03E-07 m5/N  
32.24 kg/m4  
759.42 ohms.ac  
1.81E-04 m/N  
161.11 g  
Sealed enclosure  
35 litres (1.24 cu. ft.)  
F - 3 = 42Hz / Dynamic bass  
Cas  
25 litres ( 0.88 cu. ft.)  
40 liters (1.41 cu. ft.)  
Mas  
Ras  
F - 3 = 44Hz / Fast and tight bass  
F - 3 = 41Hz / Deep and articulate bass  
+5  
Cms  
Mms  
Rms  
Ces  
0
3.794 kg/s  
1755.8 mF  
16.58 mH  
24.18 ohms  
9.58 N/A  
-5  
Les  
Res  
-10  
-15  
BI  
SPL  
86.7 dB/W/m  
(1.236 cu. ft.)  
Suggested application  
Load  
V (l)  
25  
F-3(Hz)  
44  
Ql  
7
20  
50  
Frequency (Hz)  
100  
150  
200  
Sealed  
Sealed  
Sealed  
35  
42  
7
40  
41  
7
Mechanical Drawing  
Ø 323  
Ø 170  
Ø 275  
Unit : mm  
Focal® is a trademark of Focal-JMlab® - BP 374 - 108, rue de l’Avenir - 42353 La Talaudière cedex  
 

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