33 V1
330mm (13") Polyglass subwoofer
•65mm / 4 layers
•Polyglass cone
•Zamak basket
Response curve
Vented enclosure
Specifications
| Nominal power | 400 W |
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| Maximum power | 800 W |
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| Sensitivity (2.83V/m) | 92 dB |
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| Cone | Polyglass |
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| Surround | Butyl |
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| Nom. impedance | 4 ohm |
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| DC resistance | 3.3 ohm |
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| VC diameter | 65 mm | 21/2 in |
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| VC height | 25.8 mm | 1 in |
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| Former | Aluminum |
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| Layers | 4 |
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| Wire | Copper |
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| Inductance | 2.4 mH |
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| Xmax | 7.5 mm | 5/16 in |
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| Magnet (hxd) | 156 x 25 mm | 61/6 x 1 in |
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| Magnet weight | 1412 g | 3.11 lb |
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| Flux density | 0.7 T |
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| Gap height | 10 mm | 5/12 in |
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| Net weight | 6.95 kg | 15.32 Ib |
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SPL (dB) 1W/1m
25 litres (0.883 cu. ft.)
F - 3 = 44Hz /Frequency (Hz) 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
Mechanical Drawing
- SCFR050504/1 |
Unit: mm |
©FocalJMlab- |
Parameters
| Fs | 25.25 | Hz |
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| Vas | 91.79 | I | 3.24 Ft3 |
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| Qts | 0.326 |
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| Qes | 0.360 |
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| Qms | 3.44 |
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| Re | 3.34 ohm |
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| Sd | 530.93 cm2 | 821/3 in2 |
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| Mas | 60.79 kg/m4 |
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| Ras | 2803.62 ohm.ac |
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| Cms |
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| Mms | 171.36 g | 0.38 lb |
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| Rms | 7.903 kg/s |
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| Ces | 679.38 mF |
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| Les | 58.48 mH |
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| Res | 31.92 ohm |
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| BI | 15.88 | N/A |
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| SPL | 88 dB/W/m |
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Suggested application
Load | Vol | Fb | Ql | |
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Vented | 25 l | 41 | 44 | 7 |
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Vented | 30 l | 37 | 40 | 7 |
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Vented | 40 l | 32 | 36 | 7 |
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Focal® is a trademark of
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 -
