Legacy LF Xtreme Owner'S Manual Download | Manualshive

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Owners Manual For The

Xtreme XD

Loudspeaker System

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Summary of Contents for LF Xtreme

Page 1: ...Owners Manual For The Xtreme XD Loudspeaker System ...

Page 2: ... Record 4 The Cabinetry Our Commitment Setup 5 Unpacking Your Speakers 6 Speaker Placement Installation 8 Hook up Cables 10 Speaker Connections 15 Fine Tuning Technology 18 Designer s Note 19 Specifications 20 Troubleshooting ...

Page 3: ... product Model No _______________________________ Serial No _______________________________ Date of purchase _________________________ Thank you for selecting a Legacy Loudspeaker System These hand crafted instruments will provide you with many years of listening enjoyment Please take a few moments to read this brief manual to insure maximum benefit from your speaker system ...

Page 4: ... bruised knuckles Each cabinet is impeccably finished on all exposed surfaces with select veneers The exquisite finish is hand rubbed several times to assure a patina at home with the most elegant decor Our Commitment A great deal of forethought love and satisfaction is instilled in each piece of Legacy workmanship We take pride in getting to know many of our customers on a first name basis Your p...

Page 5: ...otected by a doublewall outer carton with heavy V board corner protectors Molded foam end caps are used to protect the elegant cabinetry and a plastic liner is provided as waterproofing Please save this packing for future transportation If cartons become damaged or misplaced new ones can be purchased from Legacy Audio ...

Page 6: ... ceiling correspond to the wavelengths of the frequencies which will reflect in phase and thus reinforce bass output Therefore the actual dimensions of your listening room play a definite role in what ultimately arrives at your ear In fact rooms tend to have their own set of favored frequencies We can calculate what the most strongly reinforced frequencies in a room will be by the formula shown be...

Page 7: ...ance if the subwoofer is 2 ft from one corner wall then place it 1 5 ft to 3 ft from the other Placing the subwoofer in a corner will reduce the radiation angle and thus increase efficiency It will also excite the maximum number of room modes and decrease distortion A best case scenario is to actually use two subwoofers one to each side of the listener The subs should be placed 90 out of phase wit...

Page 8: ...nsidered insignificant in each cable because its effect is well out of the audio bandwidth inductance can be decreased at the expense of increased capacitance by keeping the conductor pair closely spaced How long would a cable have to be before inductance effects would impinge on the audio spectrum Approximately 300 feet of 12 gauge would be required to establish a corner frequency of 20 kHz with ...

Page 9: ...s What about resistance Finally we are getting somewhere Resistance is the controlling factor of the amplifier loudspeaker interface Excessive resistance can cause major shifts of speaker crossover frequencies The lower the impedance of the loudspeaker the greater the effects of series resistance A 20 foot run of 18 gauge cable can cause up to 10 deviations of crossover center frequencies That sam...

Page 10: ...bwoofer output it can be connected via RCA cable directly to the LFE Low Frequency Effects input fig 1 The LFE input bypasses the subwoofers internal crossover and allows you to control your low frequency settings Frequency Level from your preamp NOTE When using the LFE input the freq control on the front panel of the Xtreme XD will be bypassed The level control will then function as a sensitivity...

Page 11: ...sing Left Right output jacks from the preamp the internal circuit module of the Xtreme XD will sum the two channels together When using the left and right low level inputs on the subwoofer the internal crossover of the subwoofer is being used The crossover frequency and level will be controlled by the appropriately labeled controls on the front panel of the sub Option 3 Connecting single sub out C...

Page 12: ...Processor If you are using a Legacy Audio Wavelaunch Digital Signal Processor in your system connect the LFE or Subwoofer Out output from the Surround Processor to Input 4 of the Wavelaunch processor Output 7 of the Wavelaunch feed into the balanced input of the subwoofer ...

Page 13: ...be sure that they are polarized correctly with the power amplifier positive output to positive input negative output to negative input Failure to do so may result in damage to your subwoofer power amplifier and any associated equipment connected to it Terminating your wire leads with banana plugs or gold spade lugs is recommended Powering Up Xtreme XD 1 Power Cable The supplied power cable will pl...

Page 14: ...r shuts down Auto On Once bass signal is received Xtreme XD will turn on automatically If the unit has not received a bass signal after 30 minutes Xtreme XD will mute Off Will manually set unit to mute standby NOTE Be sure the front panel switch is in the OFF position before flipping the rear panel power switch This will avoid unnecessary transients through the subwoofer In either Auto On or Off p...

Page 15: ...he sound of the sub to your room and integrate with your main speakers Level This will allow you to adjust the volume level played by the subwoofer It only controls the subwoofer level not the level of any of the other loudspeakers in the system even if they re hooked up in parallel When using the LFE input the level can be controlled from your preamp processor menu while the subwoofer level contr...

Page 16: ...ing on the setting This control is very similar to that of a graphic EQ The 12 O clock position is neutral The center frequency of this control has been carefully chosen to match the first cancellation node of most rooms Phase This control is essential in the proper setup of your subwoofer If not set up properly your main speakers and subwoofer can actually work against each other If operating out...

Page 17: ... listen for the strongest output Now take note of that setting Next play music program material and optimize the level and phase settings further adjusting for the smoothest output NOTE Because the LFE input bypasses the subwoofers internal crossover in favor of the preamp processors crossover the Freq control will be inactive when using the LFE connection ...

Page 18: ...cated to provide excellent sensitivity This unit is bolted in compression to secure nearly 40 lbs of motor structure A high current 1000 watt amplifier maintains control of Xtreme XD s 15 sub bass piston Xtreme XD features automatic turn on off when presented with an audio signal The high pass filter alleviates the deep bass demands from compact satellite speakers thus preventing low frequency str...

Page 19: ... 6th Order Back EMF canceling circuit Internal Amplification 1000 watts ICE Power Frequency Response 16 100 Hz Input Impedance 10K Ohms minimum Phase Adjustment Cont 180 Blend EQ 12 dB 45 Hz Max SPL 120dB 1m Low Pass Filter Slope 18 dB per octave Crossover 40 100 Hz Dimensions 28 H x 18 W x 18 D Weight 115 lbs ...

Page 20: ...meters if using the low level inputs and a length of less than 15 meters if using high level inputs 2 If you are using the high level inputs and you notice a hum from the subwoofer while all of your other audio equipment is turned off it is likely that the subwoofer is still on and the inputs to the subwoofer are creating an antenna effect and picking up noise The best way to eliminate this proble...

Page 21: ...21 2011 Legacy Audio 3023 E Sangamon Ave Springfield IL 62702 Phone 800 283 4644 Fax 217 544 1483 ...

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