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Summary of Contents for Legacy Classic
- Page 2 Registration 3. Owners Record 4. The Cabinetry / Our Commitment Setup 5. Unpacking Your Speakers 6. Speaker Placement 9. Hook up Cables 12. Amplification 16. Speaker Connections 17. Fine-tuning Technology 20. Designer’s Note 21. Specifications...
- Page 3 The model and serial numbers are located on the rear of the unit. Record these numbers in the spaces provided below. Refer to them when calling upon your dealer regarding this product. Model No. _______________________________ Serial No. _______________________________ Date of purchase: _________________________ Thank you for selecting a Legacy Loudspeaker System.
- Page 4 Handcrafted Beneath the surface of Classic’s elegant exterior lies rigid MDF construction. Interlocking joinery maximizes the strength of the cabinet parts. Polyester fiberfill is selected for internal damping. A sharp rap on the enclosure will leave you with little more than bruised knuckles.
- Page 5 Your new speaker system has been very carefully packaged to insure that it travels to you safely. Each speaker is protected by a double-wall 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.
- Page 6 To allow more flexibility in seating arrangements, your Legacy loudspeaker is designed for broad lateral coverage. Optimal listener position is actually about 5 to 15 degrees off the axis normal to the loudspeaker baffle. Assuming a listener distance of about ten feet, begin by placing the speakers approximately 7 feet apart and about 1 –...
- Page 7 The ideal conductor would have negligible resistance, inductance and capacitance. The table below shows how a few actual speaker cables measure up. Cable Ωs/ft pF/ft µH/ft 12 ga. 0.0033 0.21 14 ga. 0.0048 0.13 16 ga. 0.0079 0.18 18 ga. 0.0128 0.21 Capacitance is considered insignificant in each cable because its effect is...
- Page 8 What about phase shift due to frequency dependent travel times down the speaker cable? Measurements show that 100 Hz waves will be delayed about 20 billionths of a second behind 10 kHz waves when traveling to the end of a 10 foot speaker cable. Since the cilia of the ear requires 25,000 times longer than this just to transmit phase information, phase shifting is obviously not the primary concern when considering speaker cables.
- Page 9 Ideally the loudspeaker would be among the first components selected when assembling a playback system. This would allow the user to choose an amplifier capable of delivering adequate amounts of current into the frequency dependent load presented by the loudspeaker. However, when upgrading a system, audiophiles may find themselves matching their new loudspeakers to their existing amplification.
- Page 10 How much power will your new speakers need? That ultimately depends on your listening environment and musical tastes. As little as five watts per channel should drive them to a level satisfactory for background music. A typical 45 watt per channel receiver may fill a room with the compressed mid-band energy of “heavy metal,”...
- Page 11 When an amplifier is unable to fulfill your loudspeakers demands, a damaging harmonic spike may be leaked to the high frequency drivers. Another important point regarding loudness is that the dB scale is a logarithmic one. This means that a 150 Watt amplifier will potentially sound only twice as loud as a 15 Watt amplifier.
- Page 12 The Terminal Plate At the rear of each of your loudspeakers you will find a terminal plate housing two rows of jumpered binding posts. The upper row is the input to the "satellite" portion of the speaker. The lower row is the input to the "subwoofer"...
- Page 13 Biwiring Biwiring allows one to minimize the cable losses between the amplifier and the loudspeaker. This is accomplished with a single stereo amplifier by running separate sets of cables to the satellite section and the subwoofer section from the same channel of amplification. When biwiring, we recommend the use of gold spade lugs or dual banana plugs.
- Page 14 1. Vertical Biamping Vertical biamplification requires the dedication of a single stereo amplifier for the left speaker, and another stereo amplifier for the right speaker. This configuration improves channel separation and can improve imaging slightly. If your preamp does not have two sets of left/right outputs, you will need a pair of Y-adapters or a signal splitter, such as a dual amp balancer, which will also allow adjustment of subwoofer/satellite input levels.
- Page 15 either the subwoofer or satellite binding posts. NOTE: This only applies to loudspeakers that incorporate the subwoofer and satellite section in a single enclosure. It does not apply towards the separate powered subwoofer/satellite configuration. You must always observe the polarity when connecting the speaker wire to a powered subwoofer.
- Page 16 Also helpful is bass equalization and subsonic filtering. When cascading active filters with the existing passive filters within the speaker system, be sure to allow for adequate frequency overlap. For instance, if the passive crossover is set at 500 Hz, select a low pass corner frequency of 600 Hz and a high pass corner frequency of 450 Hz to prevent a suck out in the response at 500 Hz.
- Page 17 Switch 3: is a low frequency impedance contour when using amplifiers with high current capability. It is recommended that switch 3 be left in the up position which converts the Classic from a traditional B4 alignment to a more sophisticated sixth-order Butterworth alignment, thus reducing distortion in the octave above system resonance.
- Page 18 The Classic Series Loudspeaker is the result of more than a decade of research and development. The design offers several important advantages over conventional designs. A very uniform dispersion pattern provides a much broader sweet spot for the listener(s).This wide power...
- Page 19 The Classic loudspeakers dedicate dual 10” carbon-filled bass drivers with a total of 20 pounds of motor structure and a free air resonance frequency of 18 Hz. The midbass is picked up by an ultra-quick 7” Kevlar® Hexacone...
- Page 20 A sophisticated 1.25” textile dome with an oversized magnet (3 times larger than standard) details the midrange. A compact ribbon with 3/8” apertures and a Samarium Cobalt magnet articulates up to 30 kHz. A rear firing 1” titanium dome ambience driver (defeatable via switch 4) is used to enhance treble distortion.
- Page 21 System Type: 6 drivers, 4 way. Tweeter: 4” Ribbon. Midrange: 1.25” soft textile dome. Midwoofer: 7” Kevlar®. Subwoofer: (2) 10”Treated Paper. Low Frequency Alignment: B4 Reflex. Sensitivity: 92 dB @ 2.83 V/1m. Frequency response: 22 Hz - 30 kHz +/- 2 dB. Crossover frequency (Hz): 120, 2.8k, 10k.
- Page 22 © 2003 Legacy Audio 150 Locust Street. Macungie, PA 18062 Phone: 610 965 0494 Fax: 610 965 4915...
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