Polk Audio LSi25 owner manual Inputs, For Manual Updates, Visit

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INPUTS

To Use Banana Plugs (US Only): Unscrew the binding post lug nuts completely to expose the binding post plugs (plastic plugs inserted into the binding posts). Carefully pry out the binding post plugs to expose banana plug holes. Screw the lug nuts back on the binding posts and insert banana plugs. (This is for US owners only.)

HOOK UP OPTION 1 [figure 5] is recommended for most systems. Make sure the flat metal jumper strips are tightly secured to both sets of binding posts.

HOOK UP OPTION 2 [figure 6] is recommended for use with a receivers or preamp/processors with L & R preamp outputs. For this connection, remove the flat metal jumper strips. Connect the top set of binding posts to the speaker outputs of your amp or receiver, If your pre-amp, processor, amplifier or receiver has a spare set of front left and right pre-outputs, connect them to the subwoofer inputs on the back of the speakers. If your electronics has a single set

of pre-outputs and they are being used to deliver signal to an amplifier, use “Y” cables.

HOOK UP OPTION 3 [figure 7] is recommended for systems with receivers or preamp/pro- cessors with unfiltered subwoofer (LFE) outputs only. (To find out if your subwoofer output jack is unfiltered, please see your receiver/preamp/processor’s owner’s manual.) For this connection, remove the flat metal jumper strips. Connect the line level inputs on the back of the loudspeaker to the subwoofer output(s) of your pre-amp, processor, amplifier or receiver. If you only have one subwoofer output jack, run a cable to the subwoofer line level input of one speaker and another cable from the line level output of that speaker to the line level input of the other speaker.

If you are not sure about the nature of your subwoofer output jack, use either hookup option 1 or hookup option 2.

INPUTS

The “LINE LEVEL IN” jack [figure 8] is a low-level input designed to be connected to an unfiltered pre-amp or subwoofer output on your receiver or processor. Signals fed to this input will pass through the variable Low Pass Crossover (Frequency control) built into the LSi25’s subwoofer amplifier. This is the input to use when using Hook Up Option 2. The “LFE IN” jack bypasses the Low Pass Crossover. Use this input only if you are using Hook Up Option 3 with a sub-out jack that has a Low Pass Crossover. See your receiver or preamp/processor owner’s manual to find out whether or not your Subwoofer Output jack is filtered.

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Contents Floorstanding Loudspeaker LSi SERIESREAD BEFORE OPERATING EQUIPMENT IMPORTANT SAFETY INSTRUCTIONSPLACEMENT RECOMMENDATIONS TECHNOLOGY FEATURES OF YOUR NEW LSi LOUDSPEAKERSLSi SERIES FROM POLK AUDIO FOR LSi SERIES FLOORSTANDING LOUDSPEAKERSTo use Banana Plugs US only LEFTUnscrew the binding post lug nuts completely to expose the binding post plugsINPUTS FOR MANUAL UPDATES, VISITPage SUBWOOFER VOLUME CONTROL AC POWERFREQUENCY ADJUSTMENT Clean black gloss lacquer with a damp clothSPECIFICATIONS LIMITED FIVE YEAR WARRANTYPOLK AUDIO HISTORY-APASSION FOR SOUND RM0325-3
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LSi25 specifications

The Polk Audio LSi25 is a remarkable loudspeaker that has garnered attention among audio enthusiasts for its exceptional sound quality and innovative technology. With a design that emphasizes both aesthetic appeal and high performance, the LSi25 stands out in any home audio setup.

At the heart of the LSi25 is its advanced driver design. The speaker features a 1-inch silk dome tweeter that delivers crisp and clear high frequencies, ensuring that details in music and dialogue are never lost. Accompanying the tweeter are dual 6.5-inch dynamic balance woofers that produce deep, rich bass, providing a full-bodied sound that fills the room. The integration of these drivers creates a seamless soundstage, allowing listeners to experience music and movie audio as the artist or director intended.

One of the standout technologies in the LSi25 is the Dynamically Balanced technology, which minimizes unwanted resonances and distortion. This innovative approach ensures that the sound remains pure and true, regardless of the volume level. Additionally, the LSi25 employs a unique port design that enhances bass response while reducing turbulence, resulting in deeper lows without sacrificing clarity.

The speaker cabinet itself is constructed with rigid materials that reduce cabinet resonance and contribute to an overall cleaner sound. The LSi25 also features a visually appealing finish available in various options, allowing it to blend effortlessly into a variety of home decors.

Connectivity is another key aspect of the LSi25. The binding posts are designed to accommodate various cable types, making it easy for users to integrate the speaker into their existing audio systems. This versatility means that whether you are using a powerful receiver or a more modest amplifier, the LSi25 can deliver an exceptional listening experience.

Overall, the Polk Audio LSi25 is a well-engineered loudspeaker that combines beautiful design with cutting-edge audio technology. It caters to discerning listeners looking for a speaker that can bring their music and movies to life with stunning clarity, depth, and a sense of space. Whether used in a stereo setup or as part of a surround sound system, the LSi25 delivers a performance that is sure to impress even the most critical audio aficionado.
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