40 V1
400mm (16") Polyglass subwoofer
• 65mm / 4 layers voice-coil
• Polyglass cone
Specifications
• Zamak basket
Nominal power
Maximum power
Sensitivity (2.83V/m)
Cone
400 W
800 W
93.5 dB
Polyglass
Butyl
Surround
Nom. impedance
DC resistance
VC diameter
VC height
4 ohm
3.3 ohm
65 mm
25.8 mm
Aluminum
4
21/2 in
1 in
Former
Layers
Wire
Copper
2.4 mH
7.5 mm
156 x 25 mm
1412 g
0.7 T
Inductance
Xmax
5/16 in
61/6 x 1 in
3.11 lb
Magnet (hxd)
Magnet weight
Flux density
Gap height
Net weight
10 mm
7.2 kg
5/12 in
Response curve
15.87 Ib
Vented enclosure
Parameters
Fs
26.84 Hz
5.84 Ft3
1361/2 in2
0.51 lb
Vas
Qts
Qes
Qms
Re
165.66 I
0.459
0.51
4.62
3.3 ohm
40 litres (1.413 cu. ft.)
F - 3 = 46Hz /
881.41 cm2
1.18E-07 m5/N
29.81 kg/m4
1088.18 ohm.ac
1.52E-04 m/N
231.60 g
Sd
Frequency (Hz)
Cas
Mas
Ras
Cms
Mms
Rms
Ces
Les
Res
BI
Fast and tight bass
50 litres (1.766 cu. ft.)
F - 3 = 43Hz / Punchy
and dynamic bass
60 litres (2.119 cu. ft.)
F - 3 = 40Hz / Deep
and articulate bass
8.454 kg/s
916.42 mF
38.37 mH
29.89 ohm
15.90 N/A
89.83 dB/W/m
Mechanical Drawing
SPL
Suggested application
Load
Vented
Vented
Vented
Vol
40 l
50 l
60 l
Fb
25
23
20
F-3 (Hz)
Ql
7
46
43
40
7
7
Unit: mm
Focal® is a trademark of Focal-JMlab®
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