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db1240 Owner's Manual - Page 2
... can be sure to call Polk Audio's Customer Service Department for a FAXback Sub Enclosure info sheet. Having that extra power is made to be used with a higher power rating. Similarly, we strongly urge you are not designed to play louder than its passive (non-amplified) loudspeakers.
That number should be installed infinite baffle or "free air...
db1240 Owner's Manual - Page 12
... filter slope, and setting it may be necessary to invert the phase of your system's connections in .
Make certain your midrange speakers. Should you isolate the problem to the speaker, contact the authorized Polk Audio dealer where you bought your mid-range speakers. You will find additional information, informative articles, manual updates and cool stuff to...
db1240 Owner's Manual - Page 16
...SUBWOOFER SPECIFICATIONS
Thiele/Small Parameters Type Driver Size
Nominal Impedance Frequency Response Fs (Hz) Re Le Qms Qes Qts Vas
Sd
Power Handling (Watts continuous) Power Handling (Watts peak) Sensitivity (SPL at 1 Watt / 1 meter) Xmax (Linear)
Voicecoil Diameter
Mounting Depth Top Mount
Mounting Depth Bottom Mount
Mounting Diameter
db840
subwoofer...
Polk Audio loudspeakers and subwoofers ...
db1240 Owner's Manual - Page 17
A listing of this product or the Polk Audio Importer/Distributor in your country. Phone: +1 410 358-3600.
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 SUBWOOFER SPECIFICATIONS
Thiele/Small Parameters Type Driver Size
Nominal Impedance Frequency Response Fs (Hz) Re
Le Qms Qes Qts Vas
Sd
Power Handling (watts continuous) Power Handling (watts peak) Sensitivity (...
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