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Driver Complement| driver size | 5 1/4" (13.3 cm) |
|---|---|
| tweeter size | 1" (2.5 cm) |
| subwoofer size | 10" (25.4 cm) |
Frequency Response| overall frequency response | 20Hz-27kHz |
|---|---|
| -3dB limits | 30Hz-26kHz |
Power and Amplification| recommended amplification | 20-300 watts/channel |
|---|---|
| subwoofer power output (dynamic) | 300 watts |
| subwoofer power output (FTC) | 150 watts |
Efficiency and Impedance| efficiency | 88dB |
|---|---|
| impedance | Nominal 4 Ohms |
Crossover| crossover frequency | 80Hz, 800Hz, 2.4k |
|---|---|
| crossover slope (driver) | 2rd Order HP, 2nd Order LP, cascaded |
| crossover slope (tweeter) | 3rd Order HP |
Enclosure and Dimensions| enclosure type | Ported |
|---|---|
| dimensions with feet | 49 3/4"H x 8 5/8"W x 15 1/2"D (126.4cmH x 21.9cmW x 39.4cmD) |
| dimensions without feet | 48 3/4"H x 8 5/8"W x 15 1/2"D (123.8cmH x 21.9cmW x 39.4cmD) |
| greatest overall depth, grille to heat sink | 17" (43.2cm) |
| base dimensions | 9 5/8"W x 16 3/8"D (24.4cmW x 41.6cmD) |
Weight| shipping weight | 91 lbs (41 kg) |
|---|
Overview of patented Polk Audio technologies used in the LSi Series.
Recommendations for optimal placement of floorstanding speakers.
Guidance on various methods to connect the loudspeakers.
Details on how to connect speaker wire using binding posts.
Instructions for using banana plugs for loudspeaker connections in the US.
Recommended connection method for most audio systems.
Connection for systems with preamp outputs.
Connection for unfiltered subwoofer outputs.
Explanation of LINE LEVEL IN and LFE IN jacks on the speaker.
Details on connecting and operating the powered loudspeaker.
Instructions for adjusting the subwoofer's volume level.
How to adjust the subwoofer's frequency range.
Guide to cleaning the loudspeaker's wood veneer and lacquer finish.
Details of the product's limited five-year warranty terms.
Technical specifications for the Polk Audio LSi Series loudspeaker.
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