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The frequency balance of the LFT-11 was designed to have essentially flat response in the average computer desktop installation. Two 6-1/2 inch woofers in a sealed enclosure give the speaker extended low frequency output. The woofer cabinet is designed to be placed on the floor underneath or beside the desk. Supplied cables connect the woofer, desktop speakers amplifier and sound card. The specially designed planar panels are very directional. This enhances 3D acoustic effects and imaging. The LFT-11 is the only multimedia speaker made with accurate phase response. It also has the lowest distortion available in a computer multimedia speaker.
Any audio amplifier can be used with the LFT-11. The minimum recommended amplifier power rating is 10 watts RMS per channel. We do not believe any built in amplifier that is included on a internal sound card has sufficient amplifier power to drive the LFT-11 to useable levels directly without the use of a external amplifier. The NAD310 integrated amplifier optionally included with the LFT-11 is rated at 25 watts RMS per channel and will drive the LFT-11 to suitable levels for most situations. Any other power amplifier or receiver can be used with the LFT-11 with a RMS power rating of between 10 and 50 watts per channel.
Although the LFT-11 can fill a room with sound, this is not what the speaker is designed for. The same characteristic that gives the LFT-11 superior performance as a close up on axis speaker causes limitations in sound quality off - axis. Because the planar panels are purposely designed to be very directional, their off-axis high frequency response rolls off somewhat and the overall frequency balance of the speaker will change. When you are not directly in front of the speaker, the low frequency output of the speaker will be emphasized and high frequencies will be reduced. You can use the tone controls to compensate for this to get a satisfactory off axis performance. The LFT-11 is excellent as a small room or office system where the listener is in one location.
A Four Channel version of the LFT-11 is now available. This system includes four desktop panels and a sub woofer with all connecting cables. The LFT-11 was originally designed to be updated to four channel operation when sound cards became available. Any existing or future purchaser of the two channel LFT-11 can have their system upgraded to the four channel version. See below for pricing.
* The design and construction of the LFT is patented.
Frequency Response: 35Hz - 20Khz + 4dB Maximum input power: 50 watts RMS per channel Maximum sound pressure level: 103 dB at 1 meter Crossover Frequency: 200Hz Woofers: 2 X 6.5 inch Eminence Impedance: 8 ohms nominal 2 Channel Price: $599.00 per pair with amplifier, $499.00 without amplifier. 4 Channel Price: $950.00 per set with amplifiers, $750.00 without amplifiers. All prices above include shipping and available finish options.
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How to Purchase The LFT-11
More photographs of the LFT-11