Atlas Sound AA120M specifications Remote Mute Priority Mute, Zone 3 Out, Zone 2 Out

Page 12

AA120M MIXER AMPLIFIER

OWNER'S MANUAL

 

30

29

 

27

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Unswitched Outlet

Outlet Breaker

 

 

 

 

 

 

 

 

 

Input 6

 

 

 

 

 

Input 5

 

 

Input 4

Input 3

 

Input 2

 

Input 1

 

Mute

 

120V AC 60Hz

125V AC 4A

 

 

 

 

 

 

 

 

Zone 2

Zone 3

 

 

 

 

 

 

 

 

 

 

Max 500W

Push Reset

 

 

 

 

 

 

Bridge

 

 

 

 

Zone 2

Zone 3

Trim

Trim

 

Trim

 

 

Trim

 

Sens

 

 

Relay

24V DC 200mA

Zone 2 Out

Zone 3 Out

 

Remote Mute

VCA

In/Out

Sel

Level

Level

 

 

 

 

 

 

 

 

 

 

 

1W 8

600

 

 

 

 

 

1 2 3 4 5 6 7 8 910

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC C NO – +

– + – +

 

 

 

G – +

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

10 0

 

10

 

 

0

 

10

0

 

10

0

10

0

10

0

10

 

0

10

0

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Level

 

Level

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Vox Mute

 

 

Vox Mute

 

Vox Mute

 

 

Vox Mute

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Send

 

 

Rcv

 

 

Send

 

Rcv

Send

 

Rcv

 

 

Send

 

Off

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Off

 

 

 

Off

 

 

Off

 

 

 

 

 

 

 

Speaker Output 120W

 

 

 

 

 

 

 

 

 

 

Zone 2 Level

Zone 3 Level

Zone 2 Level

Zone 3 Level

Zone 2 Level

Zone 3 Level

Zone 2 Level

Zone 3 Level

 

 

 

 

 

 

 

Pwr In

 

 

Tape Out

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Com

8

25V

70V

100V

 

 

 

 

 

 

 

 

0

10

0

 

10

0

10

0

10

0

10

0

10

0

10

0

10

 

 

 

 

 

Input 6

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Chime Module

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VoxMute

 

 

 

L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Send

Rcv

 

 

 

 

 

G

 

+

 

 

G

+

G

+

 

 

G

+

 

 

 

 

 

 

 

 

 

 

Off

Pre Out

Input 5

Line Out

 

 

Input 4

 

 

 

Input 3

 

Input 2

 

 

Input 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

120V AC 60Hz 300W

 

 

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27.Remote Mute (Priority Mute)

The Remote Mute feature allows you to have priority mute over Inputs 2-6. It is useful when certain channels need to be muted from a remote location. When shorting (connecting) the Remote Mute terminals together, (G) and (M), the internally assigned channels will be muted and will override

the VOX Mute settings. Note: Input 1 cannot be VOX or Remote Muted at anytime. Input 5 is the only channel shipped with a factory installed Remote Mute jumper. See the PCB diagram on page 23 for Remote Mute jumper assignments.

28.Zone 2 And Zone 3 Mute Assign (Special Internal Feature)

Each input has a mute assignment function. Inputs 2-6 can be set to receive or send a mute command. Each input also has individual Zone 2 and 3 level controls. There may be applications that require different mute options with Zone 2 and 3 outputs. You may want a certain input muted but not necessarily the corresponding Zone outputs.

Internally, there are jumpers to select each input's zone outputs to be PRE or POST input mute assignment. The AA120M Zone 2 and 3 outputs are shipped with the following assignments: Inputs 2, 3, and 4 are POST input mute assignment.

Inputs 5 and 6 are set to be PRE input mute assignment.

Example: Input 5 will commonly have a CD player inserted into to it for background and/or MOH.

The CD’s signal is fed to the amplifier output for background music and the same signal from the CD is routed to a telephone systems MOH input via Zone 2 or 3 output. When Input 1 receives a page you may want the CD to be muted for the background music but not the telephone's MOH. For this to work, the internal Zone 2 or 3 jumpers for Input 5 need to be assigned to PRE Mute. See the PCB diagram on page 23 for pin assignments.

29.Zone 3 Out

MUSIC ON HOLD port, also known as MOH. The Zone 3 signal is taken PRE Input gain.

30.Zone 2 Out

The 8Ω 1W Zone 2 output can drive an external 8Ω speaker, and is taken PRE Input gain.

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

©2006 ATLAS SOUND LP

Printed in U.S.A.

00106

ATS002179 RevA 01/06

PP

 

 

 

 

12

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Contents AtlasSound.com AA120M Mixer AmplifierAA120M Mixer Amplifier Table of Contents Safety InstructionsFeatures IntroductionApplications AA120M Mixer Amplifier Safety Precautions Message Conventions and Safety SymbolsAtlasSound.com AA120M Mixer Amplifier Front Panel Description Dipswitch AA120M Mixer Amplifier Rear Panel DescriptionInput Input 1 Trim Mute Sens For Vox Mute BusMute Send On/Off Inputs 2, 3,VOX Mute Switch For Channels 2, 3, 4, Zone 2 And Zone 3 Level ControlsInput 6 Module Slot Tape OutPre Out PwrBridge In/Out Bridge SelZone 2 And Zone 3 Mute Assign Special Internal Feature Remote Mute Priority MuteZone 3 Out Zone 2 OutVDC Terminals RelayLoudspeaker Terminals Circuit BreakerUnswitched Outlet Power CordDipswitch Settings AA120M Mixer Amplifier Quick Start ExamplesOFF Example 3 Optional Plug-In Module Application Example 4 Remote Level Control Example 5 Hotel Room Combining Using Two AA120Ms BGM Source AA120M Mixer Amplifier Wiring the AA120M Security Plug InstallationTo VCA Terminals Rack Mount KITAA120M Mixer Amplifier Internal Jumper Locations Optional Input TransformerBlock Diagram for AA120M AA120M Mixer Amplifier Specifications SensitivityAtlasSound.com AtlasSound.com Limited Warranty Service
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AA120M specifications

The Atlas Sound AA120M is a versatile and powerful amplifier designed primarily for commercial and professional audio applications. This robust unit stands out due to its impressive features, advanced technologies, and impeccable sound characteristics, making it a popular choice for venues such as conference halls, schools, and places of worship.

At the heart of the AA120M is its 120-watt output, which ensures that audio distribution is both loud and clear, capable of powering a variety of speaker systems. Its high-efficiency design incorporates a Class D amplification technology that not only enhances sound quality but also minimizes power consumption. This efficient power management results in lower heat output, which prolongs the lifespan of the unit and reduces the need for extensive cooling systems.

The AA120M is equipped with multiple input options, including balanced XLR and unbalanced RCA connectors, accommodating various audio sources. The microphone input features a priority mode, allowing announcements or important messages to override background music seamlessly. This feature is particularly beneficial in environments where announcements are critical to safety and communication.

Sound quality is further enhanced by the built-in EQ controls, allowing users to shape the audio output to suit the acoustics of their environment or personal preferences. The amplifier also offers a low-impedance operation, which supports a wide range of speaker systems, enhancing compatibility across different setups.

Another noteworthy characteristic of the AA120M is its built-in limiter circuitry, designed to prevent audio peaks that could lead to distortion or damage to connected speakers. This protective feature makes it an ideal choice for public address systems where audio integrity is paramount.

Additionally, the amplifier includes a sleek, rack-mountable design, making it easy to integrate into existing audio setups. Its durability and reliability ensure that it can handle extended use without compromising performance.

In summary, the Atlas Sound AA120M is a multifunctional amplifier that combines power, efficiency, and flexibility. With its advanced features and technologies, it stands out as a compelling choice for anyone looking to enhance their audio experience in commercial or professional settings, delivering clear and powerful sound with every use.