
AL123A-B
Dual 12" 3-Way Powered Large Format Line Array Speaker
Features
• 3-Way Full Range Speaker System
• 2x 12" Low Frequency Drivers
• 4x 6" Midrange Drivers
• 2x 1.4" High Frequency Drivers
• Baltic Birch Cabinet Construction
• EZAL™ Rigging System
• Finished in Heavy Duty Black Duracoat™
Applications
The A- Line AL123A-B Line Array System is ideal for use in large venues 
where excellent speech or live music reproductions is required
• Houses of Worship
• Large Concert Venues
• Large Auditoriums
• Large Outdoor Venues
General Description
The Atlas A-Line Acoustics AL123A-B is a powered, large format 
line array system. These arrays are highly intelligible with wide 
coverage and high impact. AL123A cabinets are amplified with a 
total of 3600 Watts on board. The DSP in each cabinet is network 
controlled, allowing precise tuning of the array system. Enclosures 
feature A-Line’s exclusive integrated patented EZAL™ rigging 
system for faster, safer and easier set up. Up to eight boxes can be 
individually aimed under load, while flown or stacked, by just one or 
two people. Made in the USA with the highest-grade components, 
A-Line Acoustics AL123 boxes are constructed of birch plywood 
with threaded fittings for attachment of speakers, LSRs, rigging and 
amplifiers. Optional wheel boards ¼ x ½ truck pack and fly frames 
AL123A-B
are also available.
Specifications
©2014 Atlas Sound L.P. All rights reserved. Atlas Sound and Strategy Series are trademarks of Atlas Sound L.P. All other trademarks are the property of their respective owners. ATS004900 RevA 1/14
1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A. 
TELEPHONE: (800) 876-3333 
FAX (800) 765-3435
AL123A-B 
No Grille
Total Power (RMS)  3600 Watts
LF Driver Power (RMS)  2400 Watts
MR Driver Power (RMS)  600 Watts
HF Driver Power (RMS)  600 Watts
Impedance LF/MR/HF 4Ω / 4Ω / 8Ω
MAX SPL 136dB
Frequency Response  70Hz - 18kHz (±3dB)
Connectors    I/O PowerCON™ and M&F XLR
Height    13.9" (353.1mm)
Width    45.3" (1151mm)
Depth    16.3" (414mm)
Weight    133 lbs (60.33kg)
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