Focal 25 A1 Leaflet

©Focal-JMlab - 

AS050926/2

 

         

2 5   c m   ( 1 0 ’ ’ )   A c c e s s   1   s u b w o o f e r   ( A f t e r s a l e s   D p t   r e f :   1 0   A 1 )

Ø

 244

Ø 267

Ø 232

Ø 170

15

118

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

2

Cas

1.73 E-07 m

5

/N

Mas

88.65 kg/m

4

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

All weather woven

All weather woven g

 glass fi ber cone

lass fi ber cone

50 mm/4 layer voice coil

50 mm/4 layer voice coil

Voice coil cool

Voice coil cooling system

ing system

Load

V (l) Fb (Hz) F-3 (Hz)

Ql

Port

Vented

20

53

48

7

9 x 27 cm =

3-9/16 x 10-5/8 in

Vented

25

4642

7

8 x 23 cm =

3- 1/8 x 9-1/16 in 

Vented

30

4638

7

8 x 25 cm =

3 - 1/8 x 9 - 13/16 in

Unit : mm

Mechanical Drawing

Frequency (Hz)

SPL

 (dB) 1W/1m

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

30 litres (1.059 cu. ft.)
F - 3 = 38Hz / 

20 litres (0.706 cu. ft.)
F - 3 = 48Hz / 

Suggested Application

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

Suggested application

Specifi cations