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150 Series 151 LR Main Satellite Speaker System INSTRUCTION MANUAL tlantic TECHNOLOGY 151 LR MAIN SATELLITE SPEAKER SYSTEM The Model 151 LR Main Satellite Speaker is a two-way system intended for use by itself in compact stereo systems, or as a satellite with a subwoofer such as the Atlantic Technology 152 PBM. Each speaker contains a 4" polypropylene long-throw woofer and a '/," soft-dome tweeter module in a low-resonance cabinet. The satellites are both acoustically and cosmetically matched to other Atlantic Technology System 150 components. CONNECTION For connection tothe 151 LR’s terminals, split the two wires apart for about two inches, then trim about '/," of insulation off the end of each wire. Twist the strands of each individual wire together and insert them into the jacks by pressing down on the tab on the connector, pushing the wire into the center, and releasing the tab. Identify the black (-) and red (+) terminals, and make sure that they are connected to the corresponding output terminals (black to black and red to red) on the amplifier or receiver. Most speaker cable has some identifying mark — printing, dots or ridges on one of the two wires — to help you keep track of which is which. Reversing one of the two pairs will drive the two speakers out of phase, resulting in poor stereo imaging and a hollow sound on centered sources. If in doubt about whether two systems are in phase, place them face to face about an inch apart and. play a mono source, then reverse the wires to one of the speakers. The connection with more bass is the correct one. PLACEMENT The 151 LR’s small size allows greater flexibility in placement than conventional loudspeakers. If possible, place the speaker so that the tweeteris at or slightly above ear level. If the speaker must be lower than that, tilt it back so that the tweeter axis points at or above your head. The Atlantic Technology 156 ST stands will give an ideal height and tilt for most rooms. Wall-mounting brackets are also available; consult your Atlantic Technology dealer. When using the 151 LRs with a subwoofer like the Atlantic Technology 152 PBM, place the subwoofer cabinet along the same wall as the satellites and, if possible, farther from the prime listening position. Angling the systems outward will produce a wider stereo image for listeners in the center. Angling the systems inward, so their axes cross in front of the listening position, will tend to keep the stereo image centered between the speakers, even for off-center listeners. The second setup may be especially useful when using the 151 LRs on either side of a TV or video monitor, as it tends to keep the dialogue centered on the screen. The drivers are mag- netically shielded and will not interfere with the picture. When used with a Dolby Pro Logic system containing a center-channel speaker, such as the Atlantic Technology 153 C, the speakers may be spaced more widely, and toeing them in is less critical. For computer sound or keyboards, the satellites will fit easily on your work surface. The separate woofer cabinet, ifused, can be out ofsightunder the table or against a nearby wall. For private music listening, placing the 151 LRs about two feet in front of you and about three feet apart will produce a stereo image of startling clarity and detail, with much of the revealing quality of head- phones but without their inside-the-head imaging. Remember that any speakers will sound quite different depend- ing on where you put them, so take advantage of the system's compactness and experiment. 151 LR SPECIFICATIONS Type 2-way full range speaker Drivers 4" polypropylene woofer 1," dome tweeter Frequency Response usable 50Hz — 20KHz +3dB 80Hz —- 20kHz Impedance Nominal 80 Impedance Minimum 6Q Sensitivity 88dB Maximum Program 110W Power Minimum Amplifier 10W Rating Size (WxHxD) 5S°x7:5 X4,75 Weight 3.51b ea. Specifications are those in effect at the time of printing. Atlantic Technology reserves the right to change specifications or designs at any time without notice. Marketed and Distributed by: tlantic TECHNOLOGY INTERNATIONAL 343 VANDERBILT AVENUE NORWOOD, MA 02062 Tel: (617) 762-6300 ">

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