1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A.
TELEPHONE: (800) 876-3333
FAX (800) 765-3435 ©2008 Atlas Sound SL2-3034 ATS002874 RevA 1/08 AtlasSound.com 1/4

Features

Heavy duty mounting bracket (included) allows for easy installation to
most any fl at surface
Three forged eyebolts also included for suspended installation
200 watts power handling
Constant directivity design offers controlled coverage of 65°
horizontal by 65° vertical (2 kHz octave band)
Driver compliment includes 12” cast frame woofer with a
concentrically mounted 1” exit compression driver coupled to a
65° H x 65° V HF horn
Easy, weather resistant connection via a convenient recessed
terminal block located on the bottom of the loudspeaker
Includes a built-in, high effi ciency 60 watt 70.7V transformer
Effi ciency rating of 101 dB (1 W/1 M)
Maximum output of 125 dB (Rated Power @ 1 M)

Applications

Atlas Sound model AH66-12ST stadium horn is ideal for directional
sound distribution where full range reproduction, maximum intelligibility,
and high sound pressure levels are required. Applications include football
stadiums, sports arenas, baseball fields, convention centers, and audito-
riums.
Weather resistant construction features of the AH66-12ST include a mul-
tiple screen configuration to prevent moisture from damaging internal
components.
A perforated aluminum screen covers the large horn mouth, a secondary
screen is in place forward of the high frequency driver, and a third tightly
perforated screen protects the 12" cast frame woofer.

Installation

A heavy-duty stainless steel "C" style mounting bracket is included with
the AH66-12ST to allow easy mounting to most any flat surface. Three
drop forge eyebolts are also pre-installed (2-front of horn plus 1-rear for
"pull-up") for suspension mounting via load rated wire rope. (Use caution
when suspending any object overhead. Refer to installation manual for
more details).
The AH66-12ST includes a weather resistant 7 pole terminal block con-
nector on the underside of the speaker for ease of hook-up. This termi-
nal block includes connection points for internal 70.7V transformer with
taps settings of 7.5, 15, 30, and 60 watts and an 8 connection for
transformer bypass.
AH66-12ST
AH66-12ST

12" 2-Way Stadium Horn System 65 x 65

AH66-12ST