EX SERIES II SUBWOOFER SPECIFICATIONS |
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| EX8 | EX10 | EX12 |
THIELE/SMALL PARAMETERS |
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Type | subwoofer | subwoofer | subwoofer |
Driver Complement | 8" | 10" | 12" |
Nominal Impedance | 4ohms | 4ohms | 4ohms |
Frequency response | |||
Fs (Hz) | 44.64Hz | 32.47Hz | 24.47Hz |
Re | 3.73 ohms | 3.34 ohms | 3.38 ohms |
Le | 1.57 mH | 1.55 mH | 1.40 mH |
Qms | 11.43 | 8.27 | 8.14 |
Qes | 0.57 | 0.48 | 0.31 |
Qts | 0.54 | 0.45 | 0.30 |
Vas (cubic feet) | 0.66 ft3 | 1.59 ft3 | 4.72 ft3 |
Vas (liters) | 18.51L | 44.56L | 132.02L |
Power Handling (watts continuous) | 125watts | 150watts | 150watts |
Power Handling (watts peak) | 300watts | 400watts | 400watts |
Sensitivity (SPL at 1 watt / 1 meter) | 90 dB | 92 dB | 93 dB |
Xmax (inches) | 0.177 in. | 0.177 in. | 0.177 in. |
Xmax (millimeters) | 4.5 mm | 4.5 mm | 4.5 mm |
Voicecoil Diameter | 1.5 in. | 2.0 in. | 2.0 in. |
Mounting depth (inches) top mount | 3 7/8" | 4 11/16" | 5 3/8" |
(millimeters) | 85 mm | 120 mm | 135 mm |
Mounting depth (inches) bottom mount | 4 1/4" | 5 1/16" | 5 3/4" |
(millimeters) | 110 mm | 130 mm | 145 mm |
Mounting diameter (inches) | 7 1/8" | 9 1/16" | 10 7/8" |
(millimeters) | 180 mm | 230 mm | 276 mm |
RECOMMENDED ENCLOSURES |
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Sealed |
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Sealed volume(cubic feet) | .5 ft3 | .65 ft3 | .95 ft3 |
(liters) | 14.2 L | 18.4 L | 26.9 L |
Ported |
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Ported volume(cubic feet) | .75 ft3 | 1.0 ft3 | 1.25 ft3 |
(liters) | 21.2 L | 28.3 L | 35.4 L |
Port diameter (inches) | 3 in. | 3 in. | 4 in. |
(millimeters) | 75 mm | 75 mm | 100 mm |
Port length (inches) | 10 1/4" | 11 1/4" | 12 5/16" |
(millimeters) | 255 mm | 280 mm | 305 mm |
Tuning frequency (Hz) | 45Hz | 38 Hz | 40 Hz |
Bandpass |
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Bandpass total volume (cubic feet) | 1.1 ft3 | 1.1 ft3 | 1.5 ft3 |
(liters) | 31.1 L | 31.1 L | 42.4 L |
Front chamber volume (cubic feet) | .70 ft3 | .50 ft3 | .75 ft3 |
(liters) | 19.8 L | 14.2 L | 21.2 L |
Back chamber volume (cubic feet) | .38 ft3 | .60 ft3 | .72 ft3 |
(liters) | 10.8 L | 17.0 L | 20.4 L |
Port diameter (inches) | 3 in. | 3 in. | 4 in. |
(millimeters) | 75 mm | 75 mm | 100 mm |
Port length (inches) | 12 3/8" | 9 7/8" | 19 3/16" |
(millimeters) | 310 mm | 250 mm | 480 mm |
Back chamber tuning frequency (Hz) | 58 Hz | 51 Hz | 46 Hz |
EX SERIES II 1 YEAR WARRANTY
Polk Audio, Inc. warrants the original purchaser only that this Polk Audio EX Series II Product (the Product) will be free from defects in materials and workmanship for a period of (1) one year from the date of original retail purchase from a Polk Audio Authorized Dealer. However, this warranty will automatically terminate prior to the expiration of the
(1)one year period if the original retail purchaser sells or otherwise transfers the Product to any other party. The original retail purchaser shall herein after be referred to as "you." To allow Polk Audio to offer the best possible warranty service, please fill out the Product Registration Card(s) and send them to the Factory at the address provided in the Registration Card within (10) ten days of the date of purchase.
Defective Products must be shipped, together with a proof of purchase, prepaid insured to the Authorized Polk Audio Dealer from whom you purchased the Product, or to the Factory at the address given in this booklet. Products must be shipped in the original shipping container or its equivalent; in any case the risk of loss or damage in transit is to be borne by you. If, upon examination at the Factory or Polk Audio Authorized Dealer it is determined that the unit was defective in materials or workmanship at any time during the Warranty period, Polk Audio or the Polk Audio Dealer will, at its option, repair or replace this Product at no additional charge, except as set forth below. All replaced parts and Products become property of Polk Audio. Products replaced or repaired under this Warranty will be returned to you, within a reasonable time, freight prepaid.
This Warranty does not include service or parts to repair damage caused by accident, disaster, misuse, abuse, negligence, inadequate packing or shipping procedures, commercial use, voltage inputs in excess of the rated maximum of the unit, cosmetic appearance of the cabinetry not directly attributable to defects in materials or workmanship, or service, repair, or modifications of the Product which has not been authorized or approved by Polk Audio.
This Warranty is in lieu of all other expressed Warranties. If this Product is defective in materials and workmanship as warranted above, your sole remedy shall be repair or replacement as provided above. In no event will Polk Audio, Inc. be liable to you for any incidental or consequential damages arising out of the use or inability to use the Product, even if Polk Audio, Inc. or a Polk Audio Dealer has been advised of the possibility of such damages, or any other claim by any other party. Some states do not allow the exclusion or limitation of consequential damages, so the above limitation and exclusion may not apply to you. This Warranty gives you specific legal rights which may vary from state to state.
This warranty applies only to Products purchased in the United States of America, its possessions, and U.S. and NATO armed forces exchanges and audio clubs. The Warranty terms and conditions applicable to Products purchased in other countries are available from the Polk Audio Authorized Distributors in such countries.
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