SUBWOOFER SPECIFICATIONS |
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| db840DVC | db1040DVC | db1240DVC |
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Thiele/Small Parameters |
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Type | subwoofer | subwoofer | subwoofer |
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Driver Size | 8" | 10" | 12" |
| (203.2mm) | (254mm) | (304.8mm) |
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Nominal Impedance | dual 4 Ohm | dual 4 Ohm | dual 4 Ohm |
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Frequency Response | |||
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Fs (Hz) | 43Hz | 35Hz | 30Hz |
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Re | 3.4 Ohm/coil | 3.4 Ohm/coil | 3.4 Ohm/coil |
| 3.4 Ohm/bob. | 3.4 Ohm/bob. | 3.4 Ohm/bob. |
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Le | 2.47mH | 5.1mH | 5.1mH |
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Qms | 14.1 | 10.4 | 10.4 |
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Qes | 0.62 | 0.66 | 0.49 |
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Qts | 0.59 | 0.62 | 0.50 |
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Vas | 0.55ft3 | 1.07ft3 | 2.40ft3 |
| 15.8L | 30.29L | 67.9L |
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Sd | 35.65in2 | 54.25in2 | 80.6in2 |
| (230cm2) | (350cm2) | (520cm2) |
Power Handling (watts continuous) | 180 Watts | 270 Watts | 360 Watts |
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Power Handling (watts peak) | 360 Watts | 540 Watts | 720 Watts |
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Sensitivity (SPL at 1 watt / 1 meter) | 85dB/series | 86dB/series | 88dB/series |
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Xmax (Linear) | 0.24" | 0.35" | 0.35" |
| (6.1mm) | (9.0mm) | (9.0mm) |
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Voicecoil Diameter | 1 1/2" | 2" | 2" |
| (38.1mm) | (50.8mm) | (50.8mm) |
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Mounting Depth Top Mount | 4" | 5 1/2" | 6" |
| (100mm) | (138.9mm) | (152.4mm) |
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Mounting Depth Bottom Mount | 4 9/16" | 6 1/4" | 6 3/4" |
| (115.8mm) | (158.2mm) | (171.4mm) |
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Mounting Diameter | 7 1/16" | 9 1/16" | 11" |
| (179.4mm) | (230.2mm) | (279.4mm) |
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Product Disposal - Certain international, national and/or local laws and/or regulations may apply regarding the disposal of this product. For further detailed information, please contact the retailer where you purchased this product or the Polk Audio Importer/Distributor in your country. A listing of Polk Audio Importer/ Distributors can be found on the Polk Audio website www.polkaudio.com or by contacting Polk Audio at 5601 Metro Drive, Baltimore, Maryland 21215, USA— Phone: +1 410
18 | d b : I n c r e d i b l e S o u n d , A f f o r d a b l e P r i c e |