Focal 30 A1 DB User Manual

30 A1 DB

All weather woven glass fi ber cone
65 mm/4 layer voice coil
Voice coil cooling system
Dual voice coil (2x4

30 cm (12’’) Access 1 subwoofer

•

All weather woven glass fi ber cone

•

65 mm/4 layer voice coil

•

Voice coil cooling system

•

Dual voice coil (2x4ΩΩ))

Suggested Application

Sealed enclosure

25 litres ( 0.88 cu. ft.)
F - 3 = 44Hz / Fast and tight bass

+5

0

-5

-10

SPL (dB) 1W/1m

-15

20 50 100 150 200

Mechanical Drawing

(1.236 cu. ft.)(1.236 cu. ft.)

Frequency (Hz)

35 litres (1.24 cu. ft.)
F - 3 = 42Hz / Dynamic bass

40 liters (1.41 cu. ft.)
F - 3 = 41Hz / Deep and articulate bass

Specifi cations

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)

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

1.69 ohms

®

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 cm
Cas 9.03E-07 m5/N
Mas 32.24 kg/m
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

2

4

Suggested application

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

Ø 323

Ø 295

Focal® is a trademark of Focal-JMlab® - BP 374 - 108, rue de l’Avenir - 42353 La Talaudière cedex
France - Tel. [phone] - Fax [phone] - www.focal-fr.com - SCAZ070628/1

Ø 170

Ø 275

15134

Unit : mm