Focal 30 A1 DB specifications M 1 2 ’ ’ a c c e s s 1 s u b w o o f e r, Suggested Application

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)

Suggested Application

Sealed enclosure

35 litres (1.24 cu. ft.)

F - 3 = 42Hz / Dynamic bass

Specifications

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		1.69 ohms
(in parallel)
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	5-11/16x13/16 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
	Parameters
	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 cm2
	Cas	9.03E-07 m5/N

25 litres ( 0.88 cu. ft.)

F - 3 = 44Hz / Fast and tight bass

	+5
	0
1W/1m	-5
(dB)
SPL	-10

40 liters (1.41 cu. ft.)

F - 3 = 41Hz / Deep and articulate bass

Mas	32.24 kg/m4
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

-15 (1.236 cu. ft.)

20	50	100	150	200
	Frequency (Hz)

Mechanical Drawing

Ø 323	15
	134
Ø 170
Ø 275	Unit : mm

Suggested application
Load	V (l)	F-3 (Hz)	Ql
Sealed	25	44	7
Sealed	35	42	7
Sealed	40	41	7

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