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LA4PM Permanent Mount Line Array



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The Galaxy Audio LA4PM is a Permanent Mount Line Array speaker designed to take advantage of the unique sound dispersion characteristics of multiple stacked drivers. Line Arrays are increasingly popular for both permanent installations and portable PA because of their ability to provide very targeted sound, even in acoustically challenging rooms. 

The LA4PM line array speaker system model includes a 70-volt transformer with screw terminal taps at 100w, 50w, 25w, 12.5w, 6.25w, and 3.125w, along with a 16-ohm terminal. This means the LA4PM is equally at home in both standard PA applications and distributed systems. The LA4PM line array PA system is rated at 125 watts @ 16 ohms. The LA4PM comes with many bracket-mounting provisions for mounting in a variety of ways. The LA4PM line array speaker is available in black or white and is perfect for houses of worship, homes, or any fixed installation with or without a distributed system. 

  • Multiple mounting provisions
  • Screw terminal taps
  • 70-volt transformer w/7 taps 
  • 3-100watts, 125watts @ 16ohms
  • Solid wood construction


White Yoke bracket for LA4PM Line Array.


Black Yoke bracket for LA4PM Line Array.

Frequency Response 150Hz - 18kHz
Output/Peak 125 Watts (16 Ohms Tap)
Nominal Impedance 16 Ohms (Autoformer Bypass Input)
Autoformer 70v Taps: (100w, 50w, 25w, 12.5w, 6.25w) plus 16 ohm bypass terminal
Sensitivity 98dB, 1W @ 1 m (1kHz octave band)
Max SPL 126dB, 125 W @ 0.5 m
Speaker Compliment Four 4.5" Full Range Drivers
Nominal Coverage Pattern 120°H x 60°H
Input Connections Screw Terminals
Enclosure Material 15 mm Plywood, Steel Grill
Mounting/Rigging Fourteen 1/4-20 T-nut Mounting Points
Colors Black or White
Dimensions 21.5" x 7.5" x 7" (546 x 191 x 178mm)(HxWxD)
Weight 16.3 lbs (7.39 kg)
Manual ( PDF - 0.19 MB )
Cut Sheet ( PDF - 0.17 MB )
Yoke Bracket Instructions ( PDF - 0.31 MB )
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