Atlas AH99-8ST Manuel utilisateur

Specifications are subject to change without notice

AtlasSound.com

1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A. • TELEPHONE: (800) 876-3333 • FAX: (800) 765-3435

INSTALLATION INSTRUCTIONS

AH SERIES LOUDSPEAKERS

8", 12", AND 15"

AH Series Stadium Loudspeakers 8", 12", 15"

HIGH-PERFORMANCE, CONSTANT DIRECTIVITY, 8", 12", and 15",

TWO-WAY, INDOOR/OUTDOOR LOUDSPEAKER SYSTEMS

8" - AH99-8ST, AH94-8ST, and AH66-8ST 12" - AH99-12ST, AH94-12ST, and AH66-12ST

15" - AH5040S, AH9040S, and AH6565S

Specifications are subject to change without notice

AtlasSound.com

1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A. • TELEPHONE: (800) 876-3333 • FAX: (800) 765-3435

INSTALLATION INSTRUCTIONS

AH SERIES LOUDSPEAKERS

8", 12", AND 15"

TABLE OF CONTENTS

Safety Instructions…………………………………………………………………………………………………..3

Suspension and Mounting………………………………………………………………………………………….3

Introduction, Features, Applications……………………………………………………………………………….4

Installation Via Mounting Bracket………………………………………………………………………………….5

Suspended Installation Via Eyebolts………………………………………………………………………………8

Speaker Cable Recommendations and Connection…………………………………………………………….9

Ampliﬁer Considerations…………………………………………………………………………………………..10

Speciﬁcations……………………………………………………………………………………………………….11

Troubleshooting…………………………………………………………………………………………………….11

Warranty…………………………………………………………………………………………………………….12

Specifications are subject to change without notice

AtlasSound.com

1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A. • TELEPHONE: (800) 876-3333 • FAX: (800) 765-3435

INSTALLATION INSTRUCTIONS

AH SERIES LOUDSPEAKERS

8", 12", AND 15"

SAFETY INSTRUCTIONS

Please Read Carefully Before Installing or Operating

• Read all instructions carefully

• Heed all warnings

• Assure that the speaker is securely mounted

Hearing Damage

CAUTION: All professional loudspeaker systems are capable of generating very high sound pressure

levels. Use care with placement and operation to avoid exposure to excessive levels that can cause

permanent hearing damage.

SUSPENSION & MOUNTING

Suspension or "ﬂying" speaker systems requires training and expertise. Improper rigging of a ﬂying

speaker may result in injury, death, equipment damage, and legal liability. Installation must be carried

out by fully qualiﬁed installers, in accordance with all required safety codes and standards at the place of

installation.

A 5:1 design factor is a generally accepted minimum standard. However, legal requirements for overhead

suspension vary by municipality, please consult your local safety standards ofﬁce before installing any

product. We also recommend that you thoroughly check any laws and bylaws prior to installation.

Loudspeakers ﬂown in theaters, nightclubs, conference centers, or other places of work and

entertainment must be provided with an independent, correctly rated and securely attached secondary

safety — in addition to the principle suspension point(s). This secondary safety must prevent the

loudspeaker from dropping more than (6") should the principle suspension device fail. If you lack the

skills, training, and proper ancillary equipment to ﬂy a speaker system, do not attempt to do so.

For additional information regarding the suspension of loudspeakers or to purchase rigging materials,

please contact our friends at

ATM Group, Inc.,1635 E. Burnett St. Signal Hills, CA 90755.

www.atmﬂyware.com

Telephone (562) 424-1100 and Fax (562) 424-3520

• Always assure power is off to ampliﬁers before making any connections

• Assure that all electrical equipment is properly grounded

• Keep instructions for future reference

• Should any questions arise after reading this document, please call Atlas Sound Tech Support at

800-876-3333

Specifications are subject to change without notice

AtlasSound.com

1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A. • TELEPHONE: (800) 876-3333 • FAX: (800) 765-3435

INSTALLATION INSTRUCTIONS

AH SERIES LOUDSPEAKERS

8", 12", AND 15"

AH SERIES LOUDSPEAKER SYSTEMS

Thank you for your purchase of an Atlas Sound AH

Series loudspeaker system. We have designed this

product to be a reliable and versatile solution to your

needs for years to come.

All models in the AH Series feature high output,

outstanding pattern control and amazing low

frequency response for indoor and outdoor

applications including football stadiums, sports

arenas, baseball ﬁelds, and large auditoriums.

A variety of 8", 12", and 15" models are offered to

ensure that most any seating area or speaker to

loudspeaker distance may be accommodated.

All units feature efﬁcient low frequency woofers

and a coaxial mounted 1" exit compression drivers

to provide excellent frequency response. A highly

efﬁcient internal passive crossover network insures

proper transition between the (2) drivers.

FEATURES

• Impressive efﬁciency ratings exceeding 100dB

1Watt/1Meter (model dependent) makes the

AH series a perfect choice for high energy music

playback at sporting events as well as extended

range speech reinforcement.

• Weather & rodent resistant. Multiple mesh screens

over the front of the main horn protect the speaker

from weather and/or rodent damage.

• Easy installation. Heavy duty stainless steel

mounting bracket is included.

APPLICATIONS

The AH Series is ideal for stadiums, outdoor ﬁelds,

theaters, auditoriums, and convention center spaces

and may be used for paging, announcements,

background/foreground music, and/or internal

communications.

8" - AH99-8ST, AH94-8ST, and AH66-8ST

12" - AH99-12ST, AH94-12ST, and AH66-12ST

15" - AH5040S, AH9040S, and AH6565S

Specifications are subject to change without notice

AtlasSound.com

1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A. • TELEPHONE: (800) 876-3333 • FAX: (800) 765-3435

INSTALLATION INSTRUCTIONS

AH SERIES LOUDSPEAKERS

8", 12", AND 15"

INSTALLATION VIA MOUNTING BRACKET (INCLUDED)

General considerations and hardware recommendations

CAUTION: AH series models weigh as much as 81 pounds (36.7kg) – model AH5040CD. A fall from

almost any height could result in serious injury or death. Assure that the speaker is ﬁrmly mounted to an

object that can handle the weight of the AH speaker. Remember that wind will add considerable torque

to the point of attachment. The mounting surface theAH speaker is being attached to should be able to

handle ﬁve or more times the weight of the AH speaker (7x recommended for locations subject to high

wind forces).

Whenever the loudspeaker is mounted to a surface using the bracket, the installer must ensure that the

surface is capable of safely and securely supporting the load. The hardware employed must be safely and

securely attached both to the loudspeaker and the surface in question, using only the mounting holes. A

general rule for soft surface installations (wood beams) is to multiply the corresponding working load limit

by 75%: the result will be an approximate working load strength.

Use thread locking compound for all installations.

CAUTION: Mount the speaker such that the shear force is at a right angle to the mounting bolts, and

close to the connection, as shown:

When mounting the AH speaker to a solid surface use the proper bolts, washers, and lock washers

(Grade 5 minimum). Do not substitute mismatched bolts and washers.

The AH speaker may be mounted to a pole or scoreboard. For such mounting, contact the light pole or

scoreboard manufacturer for proper instructions.

If mounting to another surface, such as a beam, see the diagram on page 7 for mounting hole locations.

When in doubt contact a qualiﬁed structural/mechanical engineer for approval of the mounting

materials and methods.

SHEAR FORCE

Lock Washer

TENSION FORCE

Flat Washer

Specifications are subject to change without notice

AtlasSound.com

1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A. • TELEPHONE: (800) 876-3333 • FAX: (800) 765-3435

INSTALLATION INSTRUCTIONS

AH SERIES LOUDSPEAKERS

8", 12", AND 15"

Assure that the AH speaker can be mounted in a manner that the sound pattern will be directed in the

desired direction without any physical interference. Note that the AH speaker mounting bracket allows the

speaker to be tilted in excess of 50 degrees in either direction. See illustration below.

Weep-holes (for drainage) (AH5040S,AH9040S, and AH6565S 15" models only) are located on the same

side as the input connectors. If the speaker is tilted above parallel to the ground, the speaker should be

installed with the weep holes down for water drainage.

50˚

Specifications are subject to change without notice

AtlasSound.com

1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A. • TELEPHONE: (800) 876-3333 • FAX: (800) 765-3435

INSTALLATION INSTRUCTIONS

AH SERIES LOUDSPEAKERS

8", 12", AND 15"

Mounting

CAUTION: Mounting the AH loudspeaker requires two people, unless it is possible to safely clamp the

speaker in position for alignment before mounting.

The bracket may be removed from the speaker for installation convenience. When re-attaching speaker to

bracket be sure to tightly secure speaker mounting bolts. Thread locking compound should also be used

in this operation.

1. Choose the bracket mounting holes best suited for the surface you are mounting to. For best

stability the

5⁄8" (16mm) diameter outer keyhole slots are recommended.

2. When using these mounting holes 1⁄2" (grade 5 hardware minimum) hardware should be used

with proper ﬂat and lock washers. Remember to use thread- locking compound on all parts.

3. Use the dimensions noted on the illustration to mark the points where the starting hole should be

drilled.

4. Choose appropriately sized bit and drill holes.

5. Attach speaker bracket, using bolt, ﬂat washer, and lock washer as shown and re-attach

loudspeaker to bracket.

6. Secondary (safety) suspension point: Use a load rated cable or steel chain (capable of holding

the speaker should it come loose from the primary mounting point). This cable or chain assembly

should be attached to at least (2) of the drop forge eyebolts provided on the AH speaker and

secured to the mounting surface via approved, load rated hardware.

BOTTOM VIEW

5“

3“

1.21

0“0.

5“

7.2

Specifications are subject to change without notice

AtlasSound.com

1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A. • TELEPHONE: (800) 876-3333 • FAX: (800) 765-3435

INSTALLATION INSTRUCTIONS

AH SERIES LOUDSPEAKERS

8", 12", AND 15"

SUSPENDED INSTALLATION VIA EYEBOLTS (INCLUDED)

Using 1⁄4" Diameter Wire Rope

Note: Use of 1⁄4" load rated wire rope is suggested to provide a static working load limit of 1400lbs (635kg)

and moving load limit of 875lbs (397kg) per point. 1⁄8" cable is not recommended as load limits are reduced

to 400lbs (181kg) static, and 250lbs (113kg) moving.

Considerations for overhead suspension using AH Series eyebolts and wire rope:

1. Always apply the load to the eye in the plane of the eye.

2. Always use shoulder eyebolts for angular lifts.

3. Always tighten eyebolts securely against the load.

4. Apply ﬁrst load to test the assembly. This load should be of equal or greater weight than the loads

expected in use.

5. Use wire rope compression ﬁttings & thimbles whenever possible and prepare terminations only

as instructed by the manufacturer.

6. If wire rope clips are used, check and retighten to the manufacturer's recommended torque.

Eyebolt Working Load Limits

1⁄4" Shank (Provided withAH Series)

90˚ angle: 650lbs (295kg)

60˚ angle: 420lbs (191kg)

45˚ angle: 195lbs (88kg)

Less than 45˚ angle: 160lbs (73kg)

LESS THAN

45 DEGREE

ANGLE

45˚

60˚

90˚

0 ANGLE

Specifications are subject to change without notice

AtlasSound.com

1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A. • TELEPHONE: (800) 876-3333 • FAX: (800) 765-3435

INSTALLATION INSTRUCTIONS

AH SERIES LOUDSPEAKERS

8", 12", AND 15"

SPEAKER CABLE RECOMMENDATIONS AND CONNECTION INSTRUCTIONS

Wire Gauges (8 Ohm operation)

For very short distance speaker cable runs (less than 25') #16-gauge, stranded, twisted pair speaker

cable may be used. For speaker cable runs between 25' and 75', #14-gauge, stranded, twisted pair

speaker cable is recommended. For speaker cable runs greater than 75', #12-gauge, stranded, twisted

pair speaker cable is necessary. For runs exceeding 150', please contact tech support for proper wire

gauge or other installation solution using the Atlas Sound AF140 autoformer.

15" models AH5040S, AH9040S, and AH6565S input connections are provided on a convenient recessed

terminal block located on the bottom of the loudspeaker. This terminal block includes a clear weather

resistant cover which should be re-installed after terminating the speaker cabling to prevent corrosion in

outdoor applications.

8" & 12" models include a built-in, high efﬁciency 60 Watt 70.7V transformer. 7.5, 15, 30, and 60 Watt

taps are available on a convenient recessed terminal block located on the bottom of the loudspeaker.

A removable jumper and additional pole on the terminal block is included for 8 Ohm direct coupled

operation. This terminal block includes a clear weather resistant cover which should be re-installed after

terminating the speaker cabling to prevent corrosion in outdoor applications.

Allow an adequate service loop for this connection to allow tilt of the loudspeaker. If the speaker is tilted

above parallel to the ground, the speaker should be installed angled slightly down for water drainage — in

other words, the product should not be installed tilted upwards!

ACCESS HOLES FOR SPEAK-ON

CONNECTORS HOLE FOR STRAIN

RELIEF

Specifications are subject to change without notice

AtlasSound.com

1601 JACK MCKAY BOULEVARD ENNIS, TEXAS 75119 U.S.A. • TELEPHONE: (800) 876-3333 • FAX: (800) 765-3435

INSTALLATION INSTRUCTIONS

AH SERIES LOUDSPEAKERS

8", 12", AND 15"

AMPLIFIER CONSIDERATIONS

Consult your ampliﬁer owner’s manual to conﬁrm power output at the rated impedance.

15" models: AH5040S, AH9040S, and AH6565S and other models used in 8 Ohm conﬁguration

Each model exhibits an 8 Ohm (nominal) impedance.

(x2) AH models paralleled will present a 4 Ohm load to the ampliﬁer.

(x3) AH models paralleled will present a 2.66 Ohm load to the ampliﬁer.

(x4) AH models paralleled will present a 2 Ohm load to the ampliﬁer.

ATLAS SOUND speaker system speciﬁcations list RMS power handling.

As a reference peak power = RMS x 1.414.

These ratings should be considered in selecting the best ampliﬁer to power the speaker system.

For general use, ampliﬁer output should match or exceed the RMS rated power of the speaker system:

(250 Watts for the 15" AH models, 200 Watts for the 12" models and 100 Watts for 8" models).

For increased headroom and dynamic reproduction, the ampliﬁer’s output should match or exceed the

peak power rating of the speaker system (354 Watts for the 15" AH models, 283 Watts for 12" models

and 141 Watts for 8" models).

In situations where experienced professionals are operating the speaker system with proper limiting

and frequency control devices inserted into the signal path and adjusted properly, ampliﬁer output may

meet, but should not exceed 2x the RMS power rating of the speaker system (500 Watts for the 15" AH

models, 400 Watts for 12" AH models, and 200 Watts for 8" AH models).

Utilizing the Atlas Sound model CP700 power ampliﬁer will allow you to easily match required power

ratings for most any installation. Visit www.AtlasSound.com for more details on this product.

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