Atlas Sound 8" AH Series Stadium Horns AH99-8ST User Manual

Ah99-8st

1601 JACK MCKAY BLVD. ENNIS, TEXAS 75119 U.S.A.

TELEPHONE: (800) 876-3333

FAX (800) 765-3435

AtlasSound.com

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Features

• Heavy duty mounting bracket (included) allows for easy installation to

most any ﬂ at surface

• Three forged eyebolts also included for suspended installation
• 100 watts power handling
• Constant directivity design offers controlled coverage of 90°

horizontal by 90° vertical (2 kHz octave band)

• Driver compliment includes 8” cast frame woofer with a

concentrically mounted 1” exit compression driver coupled to a
90° H x 90° 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 121 dB (Rated Power @ 1 M)

Applications

Atlas Sound model AH99-8ST stadium horn is ideal for directional
sound distribution where full range reproduction, maximum intelligibil-
ity, and high sound pressure levels are required. Applications include
football stadiums, sports arenas, baseball fields, convention centers, and
auditoriums.

Weather resistant construction features of the AH99-8ST include a
multiple screen configuration to prevent moisture from damaging inter-
nal 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 8” cast frame
woofer.

Installation

A heavy-duty stainless steel "C" style mounting bracket is included with
the AH99-8ST to allow easy mounting to most any flat surface. Three
drop forged 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 AH99-8ST includes a weather resistant 7 pole terminal block con-
nector on the underside of the speaker for ease of hook-up. This ter-
minal block includes connection points for internal 70.7V transformer
with taps settings of 7.5, 15, 30, and 60 watts and 8 Ω connection for
transformer bypass.

AH99-8ST

AH99-8ST

8" AH Series Stadium Horns 90° x 90°

AH99-8ST