33 V1
330mm (13") Polyglass subwoofer
• 65mm / 4 layers voice-coil
• Polyglass cone
Specifications
• Zamak basket
400 W
800 W
92 dB
Nominal power
Maximum power
Sensitivity (2.83V/m)
Cone
Polyglass
Butyl
Surround
4 ohm
Nom. impedance
DC resistance
VC diameter
VC height
3.3 ohm
65 mm
25.8 mm
Aluminum
4
21/2 in
1 in
Former
Layers
Copper
2.4 mH
7.5 mm
156 x 25 mm
1412 g
0.7 T
Wire
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
6.95 kg
5/12 in
Response curve
15.32 Ib
Vented enclosure
Parameters
Fs
25.25 Hz
3.24 Ft3
821/3 in2
0.38 lb
Vas
Qts
Qes
Qms
Re
91.79 I
0.326
0.360
3.44
3.34 ohm
530.93 cm2
6.54E-07 m5/N
60.79 kg/m4
2803.62 ohm.ac
2.32E-04 m/N
171.36 g
25 litres (0.883 cu. ft.)
F - 3 = 44Hz /
Sd
Frequency (Hz)
Cas
Mas
Ras
Cms
Mms
Rms
Ces
Les
Res
BI
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
7.903 kg/s
679.38 mF
58.48 mH
31.92 ohm
15.88 N/A
88 dB/W/m
Mechanical Drawing
SPL
Suggested application
Load
Vented
Vented
Vented
Vol
25 l
30 l
40 l
Fb
41
37
32
F-3 (Hz)
Ql
7
44
40
36
7
7
Unit: mm
Focal® is a trademark of Focal-JMlab®
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