Fs
Vas
Qts
Qes
Qms
Re
Sd
Cas
Mas
Ras
Cms
Mms
Rms
Ces
Les
Res
BI
SPL
Focal® is a trademark of Focal-JMlab®
108, rue de l'Avenir - BP 374 - 42353 La Talaudière cedex - France - Tel. 00 33 4 77 43 57 00 - Fax 00 33 4 77 43 57 04 - www.focal-fr.com

Specifi cations

Parameters

Mechanical Drawing

Response curve

Unit: mm
Nominal power
Maximum power
Sensitivity (2.83V/m)
Cone
Surround
Nom. impedance
DC resistance
VC diameter
VC height
Former
Layers
Wire
Inductance
Xmax
Magnet (hxd)
Magnet weight
Flux density
Gap height
Net weight
400 W
800 W
92 dB
Polyglass
Butyl
4 ohm
3.3 ohm
65 mm 21/2 in
25.8 mm 1 in
Aluminum
4
Copper
2.4 mH
7.5 mm 5/16 in
156 x 25 mm 61/6 x 1 in
1412 g 3.11 lb
0.7 T
10 mm 5/12 in
6.95 kg 15.32 Ib
25.25 Hz
91.79 I 3.24 Ft3
0.326
0.360
3.44
3.34 ohm
530.93 cm2 821/3 in2
6.54E-07 m5/N
60.79 kg/m4
2803.62 ohm.ac
2.32E-04 m/N
171.36 g 0.38 lb
7.903 kg/s
679.38 mF
58.48 mH
31.92 ohm
15.88 N/A
88 dB/W/m
©Focal-JMlab - SCFR050504/1
33 V1

330mm (13") Polyglass subwoofer

Vented enclosure
25 litres (0.883 cu. ft.)
F - 3 = 44Hz /
Fast and tight bass
30 litres (1.059 cu. ft.)
F - 3 = 40Hz / Punchy
and dynamic bass
40 litres (1.413 cu. ft.)
F - 3 = 36Hz / Deep
and articulate bass
SPL (dB) 1W/1m
Frequency (Hz)
• 65mm / 4 layers voice-coil
• Polyglass cone
• Zamak basket
Load Vol Fb F-3 (Hz) Ql
Vented 25 l 41 44 7
Vented 30 l 37 40 7
Vented 40 l 32 36 7

Suggested application