Focal 25 A1 User Manual

25 A1

All weather woven

lass fi ber cone
50 mm/4 layer voice coil
Voice coil cool

ing system

25 cm (10’’) Access 1 subwoofer (Aftersales Dpt ref: 10 A1)

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All weather woven g g

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50 mm/4 layer voice coil

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Voice coil cool

Suggested Application

Vented enclosure

20 litres (0.706 cu. ft.)
F - 3 = 48Hz / Fast and tight bass

SPL (dB) 1W/1m

lass fi ber cone

ing system

30 litres (1.059 cu. ft.)
F - 3 = 38Hz / Deep and articulate bass

25 litres (0.883 cu. ft.)
F - 3 = 42Hz / Dynamic bass

Specifi cations

Nominal power 200 W
Maximum power 400 W
Sensitivity 92 dB
Cone Braided glass fi ber
Surround Butyl
Nom. impedance 4 ohms
DC resistance 3.35 ohms
VC diameter 50 mm 2 in
VC height 19 mm 3/4 in
Former Kapton
Layers 4
Wire Copper
Inductance 1 mH
Xmax 5.5 mm 3/16 in
Magnet d x h 145 x 20 mm 5-11/16 x 13/16 in
Magnet weight 1.15 kg 2.15 Ib
Flux density 0.8 T
Gap height 8 mm 5/16 in
Net weight 3.9 kg 8.6 Ib

Parameters

Fs 40.61 Hz
Vas 24.34 I
Qts 0.382
Qes 0.4
Qms 8.65
Re 3.35 ohms
Sd 339.79 cm
Cas 1.73 E-07 m5/N
Mas 88.65 kg/m
Ras 2614.88 ohms.ac
Cms 1.50 E-04 m/N
Mms 102.35 g
Rms 3.019 kg/s
Ces 467.95 mF
Les 32.82 mH
Res 72.44 ohms
BI 14.79 N/A
SPL 87.94 dB/W/m

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2

4

Mechanical Drawing

©Focal-JMlab - AS050926/2

Frequency (Hz)

Ø

244

Ø 267

Ø 170

Ø 232

15118

Unit : mm

Suggested application

Load V (l) Fb (Hz) F-3 (Hz) Ql Port
Vented 20 53 48 7
Vented 25 46 42 7
Vented 30 46 38 7

9 x 27 cm =

3-9/16 x 10-5/8 in

8 x 23 cm =

3- 1/8 x 9-1/16 in

8 x 25 cm =

3 - 1/8 x 9 - 13/16 in