Parasound Portable Speaker PAL 380 User Manual

O W N E R ' S  
M A N U A L  
PAL-380 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 Midrange and Tweeter Assembly  
The PAL-380 midrange and tweeter assembly are 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 midrange drivers toward the middle.  
Installing the PAL-380 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 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-380 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-380 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 easily 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-380 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 PAL is 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  
Mid  
The PAL-380 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.  
Three Position Midrange Adjustment  
The PAL-380 midrange adjustment control allows you to adjust the midrange level from 0  
dB (flat) to -3 dB or + 3 dB. If you want bring out vocals and midrange instruments and  
make the speaker sound a little “forward” set the Mid switch to the +3 dB position. If you  
want tone down vocals and midrange instruments and make the speaker sound a little “laid-  
back” set the Mid switch to the +3 dB position.  
Two Position Mid-Bass Contour Adjustment  
Mid  
Bass  
The PAL-380 mid-bass adjustment switch allows you to attenuate the mid-bass response  
from 0 dB (flat) to -3 dB. If you mounted the PAL-380 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-380 Removable Bezel  
Tone Adjustment Switches  
P
A L - 3  
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  
Mid  
Aluminum  
Tweeter  
Soft Dome Midrange  
Mid  
Bass  
Pivoting Midrange  
and Tweeter Assembly  
Kevlar Woofer  
with Phase Plug  
IR Receiver Access Hole  
PAL-380 Baffle and Driver Assembly  
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PAL-380 Precision Architectural Loudspeaker Specifications  
Frequency Response  
36 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  
Midrange Size  
Polyurethane  
2” Soft Dome  
Tweeter Size  
1 " Aluminum Dome  
Pivoting Dual-Chamber for Lower Crossover Points  
500 Hz, 2.4 kHz  
Midrange and Tweeter Assembly  
Crossover Frequencies  
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  
© 1999 Parasound Products, Inc. Rev 0.9  
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