Galaxy Audio LA4 Manuel utilisateur
®
LA4:
LA4PM:
Unpowered, 16 ohm,
Pole Mount.
Unpowered, 70volt,
Permanent Mount.
LA4 LINE ARRAY SERIES
LA4 LINE ARRAY SERIES
OWNERS MANUAL
OWNERS MANUAL
TABLE OF CONTENTS
INTRODUCTION.....................................................1
BEFORE YOU BEGIN............................................ 1
THE LA4................................................................. 2
THE LA4PM............................................................ 3
SPECIFICATIONS...............................................4-5
INTRODUCTION
Thank you for choosing the Galaxy Audio Line Array. For updates on all
of our products and owners manuals, please visit .
Line Array speakers are gaining popularity in both portable and
permanently installed PA systems, due to their unique shape and sound
dispersion characteristics. By arranging multiple drivers in a vertical line, a line
array speaker produces a very focused and predictable coverage pattern. Our
LA4 speakers produce a wide horizontal dispersion, providing good coverage for
a large audience. The vertical dispersion is very narrow, which improves clarity
by keeping the sound from bouncing off of floors and ceilings. Line arrays are an
excellent choice for taming a highly reverberant room, such as a church or large
arena. Our LA4 speakers feature a lightweight attractive cabinet, pole or
permanent mounting options, and are available in powered or unpowered
versions. This user's guide covers the following versions of the Galaxy Audio Line
Array speakers:
LA4: Unpowered, 16 ohm, Pole Mount.
LA4PM: Unpowered, 70volt, Permanent Mount.
.
CAUTION: BEFORE YOU BEGIN!
Before using your LA4 Line Array be sure to read and understand all instructions
in this manual.
DON'T…
lExpose the LA4 to rain or moisture.
lAttempt to make any repairs (call Galaxy Audio for service).
Failure to do so may void your warranty.
www.galaxyaudio.com
1
The LA4 is an unpowered 16 ohm Line Array speaker. The
back panel features two combination input jacks that will
TM
accept either a Speakon (twist lock) or 1/4" plug. These
two input jacks are wired in parallel to provide a convenient
way to daisy chain multiple speakers to a single amplifier
channel. The LA4 features a pole mount socket on the
bottom of the cabinet that fits a standard 1-3/8" speaker
stand. This makes the LA4 a good choice for portable PA
applications or for permanent mounting with certain wall
mount brackets that employ the socket.
LA4
LA4
LINE ARRAY
2
The LA4PM is an unpowered permanent mount Line Array
speaker designed for 70 volt systems. It features an internal
100 watt, 70 volt autoformer and a screw terminal block on
the back panel for selecting the proper wattage tap. Simply
connect the common (-) line from the amplifier to the screw
terminal labeled “COM”. Then connect the positive (+) line
from the amplifier to the screw terminal corresponding to the
desired wattage tap. A 16 ohm terminal is also provided to
bypass the autoformer and connect directly to the speakers
if desired. When using the 16 ohm terminal remove the
jumper clip that connects the 16 ohm terminal to AF+
terminal. The LA4PM may be wall mounted using an optional
bracket or “flown” from cables using the various threaded T-
nut locations on the cabinet. To use the
T-nuts, simply remove the threaded
plastic plugs using a small flat blade
screwdriver. To prevent air leaks, leave
the plastic plugs in any unused T-nuts.
LA4PM
LINE ARRAY LA4PM
3
Frequency response: 200 Hz –15 kHz
Power handling
capacity: 125 Watts
Sensitivity: (1 watt @ 1Meter) 88 dB
Maximum SPL: (125 watts @ 1 meter): 109 dB
Speaker complement: Four 4.5-inch full range drivers
Nominal impedance: 16 ohms
Input connection: Two Speakon®/ ¼ -inch combinations jacks wired in
parallel. Speakon® wiring (1+ Pos.) (1- Neg.)
Enclosure Materials: 15mm plywood, metal mesh grille
Color: Black
Dimensions: 21.5-inches x 7.5-inches x 8.5-inches (546 mm x 191 mm
x 215 mm)
Features: Integrated Handle and 1 3/8” Pole Mount Socket
Net weight: 14.1 lbs. (6.39 kg)
LA4
LA4
LINE ARRAY SPECIFICATIONS
4
70 V Autoformer: 70v Taps: (100w, 50w, 25w, 12.5w, 6.25w), plus 16 ohm
bypass terminal
Frequency response: 200 Hz –15 kHz
Power handling
capacity: 125 Watts (16 ohm tap)
Sensitivity: (1 watt @ 1Meter) 88 dB
Maximum SPL: (125 watts @ 1 meter): 109 dB
Speaker complement: Four 4.5-inch full range drivers
Nominal impedance: 16 ohms (Autoformer bypass input)
Input connection: Screw terminals
Enclosure Materials: 15mm plywood, metal mesh grille
Color: Black or white
Dimensions: 21.5-inches x 7.5-inches x 8.5-inches (546 mm x 191 mm
x 215 mm)
Features: 14 T-nuts for multiple mounting options
Optional Wall Bracket: Recommended: Omnimount 20.5 ST-MP
Net weight: 16.3 lbs. (7.39 kg)
LA4PM
LA4PM
LINE ARRAY SPECIFICATIONS
5
1-800-369-7768 www.galaxyaudio.com
Specifications in this manual are subject to change without notice.
V07122012
© Copyright Galaxy Audio 2012
WARRANTY Information can be viewed online at
http://www.galaxyaudio.com/warranty.php
THREE YEAR LIMITED WARRANTY
LA4:
LA4PM:
Unpowered, 16 ohm,
Pole Mount.
Unpowered, 70volt,
Permanent Mount.
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