Parasound Speaker PAL 280 User Manual

O W N E R ' S  
M A N U A L  
PAL-280 Precision Architectural Loudspeakers  
www.parasound.com  
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For best performance and easier troubleshooting, always “home run” wiring when installing  
multiple speakers rather than connecting from one speaker to the next. When connecting  
multiple speakers, make sure that the power amplifier is capable of adequately driving the  
combined impedance of the speakers. If not, you may need additional amplifiers or an  
impedance protection device that are often built into loudspeaker selection boxes.  
Mirror Image Tweeter Assembly  
The PAL-280 tweeter assembly is mirror imaged so you can position them for best sonic  
imaging. Ideally, the listening position should be at one point of an equilateral triangle with  
the left and right speakers positioned at the other two points. If you need to mount the speakers  
outside this idealized equilateral triangle, position the tweeters toward the middle. If you need  
to mount the speakers inside this idealized equilateral triangle, position the tweeters toward  
the middle.  
Installing the PAL-280 Precision Architectural Loudspeakers  
1. Confirm that there is at least 1 1/2" of clearance between each edge of the planned  
cutout and adjacent studs or joints.  
2. Fasten the supplied cardboard template to the wall or ceiling with tape or thumbtacks.  
Check again for equal distance of both speakers from the ceiling or floor.  
3. Use a level or the included template’s self-leveling feature to so the cutout will be level.  
4. Trace around the perimeter of the template.  
5. Before making the final cutout, make a small 6-inch square “test cutout” in the center of  
the penciled outline. Reach inside the test hole to verify that there are no obstructions in  
the way of your planned cutout.  
6. Before cutting the hole, first score the drywall with a razor knife and use a keyhole saw  
to complete the cut. Remove debris from the edge of the hole.  
7. Secure the speaker wire to a stud near the cutout so its weight will not tug on the terminals  
of the speaker after it is connected. This also keeps the wire from dropping behind the  
wall before you can connect it.  
8. Terminate the speaker wire with 1/4" spade lugs or banana plugs. You can also insert  
bare wire up to AWG 12 into the holes on the sides of the binding posts.  
9. Carefully separate the removable bezel from the baffle and loudspeaker assembly. The  
bezel can be mounted in the wall and painted if desired while the main part of the  
loudspeaker is stored away safely until you are ready to mount it. Note: The grilles  
should be painted separately rather than while mounted in the separate bezel.  
10. Insert the PAL-280 bezel into the cutout to make sure it fits easily without forcing.  
11. Evenly tighten the mounting screws on the bezel. The mounting “swing-arms” (also known  
as mounting “dogs”) will automatically swing out 90 degrees. After they swing out, the  
arms then clamp against the drywall from behind the wall.Avoid using excessive force to  
prevent deforming the drywall or cracking the speaker’s mounting frame.  
12. We recommend that you add a “blanket” of sound absorbing material such as ceiling  
insulation behind the woofer to reduce sound transmission into the adjoining room.  
Additionally, any sound leakage from behind the molded frame can be blocked with  
foam weather-stripping directly behind the plastic speaker bezel.  
13. Install the main loudspeaker assembly into the bezel.  
14. Install the six rubber shoulder washers into the holes in the bezel  
15. Use the six supplied #8 x ” screws to fasten the loudspeaker assembly into the bezel.  
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Pre-Drilled Hole for Infrared Receivers  
The PAL-280 has a 1/2" hole in the bezel to accommodate an infrared receiver such as the  
Xantech Video Link model 490. The hole can be accessed by removing the rubber bushing  
from the rear of the bezel. If you plan to hide an infrared receiver behind the loudspeaker  
grille, be sure to pre-wire a three conductor control wire along with the speaker wire.  
Removing the Loudspeaker Assembly from the Bezel  
Gently push the lower portion of the pivoting midrange and tweeter assembly until it is at  
its full 15-degree downward position. This allows access for your fingers to reach inside  
the baffle and loudspeaker assembly and pull it away from the bezel.  
Adjusting the Pivoting Midrange and Tweeter Assembly  
The PAL-280 employs a pivoting midrange and tweeter assembly.You can adjust this assembly  
so the midrange and tweeter are pointing toward the listening position regardless of how the  
PALis mounted in the wall. Gently push upper or lower portion of the pivoting midrange and  
tweeter assembly to aim it at the desired position.  
Fine Tuning the Frequency Response of Your Loudspeakers  
Three Position Treble Adjustment  
High  
The PAL-280 treble adjustment switch allows you to adjust the tweeter level from 0 dB (flat)  
to -3 dB or + 3 dB. If you are mounting the speaker in a “live” room with many reflective  
surfaces, you may want to attenuate the treble response and tame sibilance. If you are mounting  
the speaker in a room with many absorptive surfaces, you may want to boost the treble response.  
Two Position Mid-Bass Contour Adjustment  
Mid  
Bass  
The PAL-280 mid-bass adjustment switch allows you to attenuate the mid-bass response  
from 0 dB (flat) to -3 dB. If you mounted the PAL-280 near a corner of a wall, you may notice  
additional boominess of the bass response. You can attenuate the mid-bass response by setting  
the Mid Bass switch to the -3 dB position.  
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Swing arms in locked  
and mounted position  
Swing arms in  
retracted position  
PAL-280 Removable Bezel  
Tone Adjustment Switches  
P
A L - 2  
8
0
P
r
e c i s i o n A r c h  
i
t
e c t  
u
r
a
l
L o u  
d
s p e a k e r  
High  
Aluminum  
Tweeter  
Mid  
Bass  
Pivoting Tweeter Assembly  
Kevlar Woofer  
with Phase Plug  
IR Receiver Access Hole  
PAL-280 Baffle and Driver Assembly  
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PAL-280 Precision Architectural Loudspeaker Specifications  
Frequency Response  
40 Hz-22 kHz +/- 2 dB  
Nominal Impedance  
Minimum Impedance  
Sensitivity 1 Watt/1Meter  
RMS Power Range  
Woofer Size  
6 Ohms  
4 Ohms  
89 dB  
10-100 Watts  
8"  
Cone Material  
Kevlar  
Surround Material  
Tweeter Size  
Polyurethane  
1 " Aluminum Dome  
Pivoting Chamber for Lower Crossover Point  
2.4 kHz  
Tweeter Assembly  
Crossover Frequency  
Crossover Slope  
12 dB per octave  
Dimensions  
Hole Cut-Out  
8 5/8" x 12 3/4"  
10" x 14"  
Outer Edge of Frame  
Optional Accessories  
Rough-In Kit  
NC/K-8M  
Parasound Products, Inc. 950 Battery Street, San Francisco, CA 94111  
Features and Specifications Subject to Change Without Notice  
© 2000 Parasound Products, Inc. Rev 0.9  
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