Focal 30 A1 DB Leaflet
Nominal power
250 W
Maximum power 500 W
Sensitivity
91 dB
Cone
Braided glass fi ber
Surround
Butyl
Nom. impedance 2 x 4 ohms
DC resistance
(in parallel)
DC resistance
(in parallel)
1.69 ohms
VC diameter
65 mm
2-9/16 in
VC height
18 mm
11-16 in
Former
Kapton
®
Layers
4
Wire
Copper
Inductance
0.68 mH
Xmax
5 mm
3-16 in
Magnet (d x h)
145 x 20 mm
5-11/16 x 13/16 in
Magnet weight
1.15 kg
2.45 Ib
Flux density
0.8 T
Gap height
8 mm
5/16 in
Net weight
4.8 kg
10.58 Ib
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
Ø 295
Ø 323
Ø 275
Ø 170
15
134
Load
V (l)
F-3 (Hz)
Ql
Sealed
25
44
7
Sealed
35
42
7
Sealed
40
41
7
•
All weather woven glass fi ber cone
All weather woven glass fi ber cone
•
65 mm/4 layer voice coil
65 mm/4 layer voice coil
•
Voice coil cooling system
Voice coil cooling system
•
Dual voice coil (2x4
Dual voice coil (2x4Ω
Ω))
Unit : mm
Mechanical Drawing
Frequency (Hz)
25 litres ( 0.88 cu. ft.)
F - 3 = 44Hz / Fast and tight bass
F - 3 = 44Hz / Fast and tight bass
35 litres (1.24 cu. ft.)
F - 3 = 42Hz / Dynamic bass
F - 3 = 42Hz / Dynamic bass
40 liters (1.41 cu. ft.)
F - 3 = 41Hz / Deep and articulate bass
F - 3 = 41Hz / Deep and articulate bass
SPL
(dB) 1W/1m
Sealed enclosure
Suggested Application
Suggested application
Fs
29.5 Hz
Vas
66.32 I
Qts
0.52
Qes
0.55
Qms
7.87
Re (in parallel)
1.69 ohms
Sd
510.71 cm
2
Cas
9.03E-07 m
5
/N
Mas
32.24 kg/m
4
Ras
759.42 ohms.ac
Cms
1.81E-04 m/N
Mms
161.11 g
Rms
3.794 kg/s
Ces
1755.8 mF
Les
16.58 mH
Res
24.18 ohms
BI
9.58 N/A
SPL
86.7 dB/W/m
Specifi cations
Parameters
Focal® is a trademark of Focal-JMlab® - BP 374 - 108, rue de l’Avenir - 42353 La Talaudière cedex
France - Tel. 33 00 4 77 43 57 00 - Fax 33 00 4 77 37 65 87 - www.focal-fr.com - SCAZ070628/1
France - Tel. 33 00 4 77 43 57 00 - Fax 33 00 4 77 37 65 87 - www.focal-fr.com - SCAZ070628/1
+5
0
-5
-10
-15
20
50
100
150 200
(1.236 cu. ft.)
(1.236 cu. ft.)