AA120M MIXER AMPLIFIER

OWNER'S MANUAL

 

 

 

 

 

26

 

24

25

23

 

 

22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

CLASS 2 WIRING

 

 

 

 

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22.Pre Out

The PRE OUT connector has Post tone control signals available to drive another power amp or external audio devices. Use in conjunction with the AMP IN connector, an effects loop can be created by connecting the PRE OUT jack to a device such as an equalizer then back out to the AMP IN connector. See the connection diagram in the setup section of this manual.

23.Pwr In

The AMP IN connector is useful for converting the AA120M into a slave amp. When a line level signal is connected to this input, the internal connection between the preamp and internal power amp is broken. Audio signals applied to this connector are post tone control and pre master control.

24.Bridge In/Out

Certain installations have the need to combine one or more mixers together. These mixers may be in different rooms of an install but have the need to share a page or music throughout the installation. These terminals provide a way to send and receive balanced line level signals from the internal mix bus of the AA120M. The "BRIDGE IN/OUT" feature is PRE Tone Controls and Low Cut Filter. The Bridge In/Out feature allows you to send and receive a balanced signal. This is important for allowing longer distances between the mixers. Note: This function should only be done with other Atlas Sound mixers that have this feature. The Send and Receive signals are combined through the same terminals. To activate this feature see Bridge Sel below.

25.Bridge Sel

The "Bridge Select (Sel)" terminals are the access point to activate the "Bridge In/Out" feature. To activate the feature connect the two points together via an external contact closure. These two points must be connected to send or receive any signal. By connecting the Bridge In/Out terminals of two AA120M, a simple room combining system can be accomplished. If using a remote switch and closing it, the "Bridge Select (Sel)" will combine the amps as one, opening the switch will separate the two amps. Note: If combining 3 or 4 mixers together the output level will have to be adjusted before and after Bridge Sel terminals are connected (shorted) together. We suggest utilizing the Remote Level control when using this feature.

26.VCA

Remote location of the level control can be accomplished via the VCA control port. You can control the overall level (Master) or just Input 5. This selection is made via Dipswitch position #2. Connect the two leads from the optional remote volume control to these terminals. This remote level control is POST Master and Input 5 Level Controls. Set the system's maximum levels using the amplifier level controls and then use the remote VCA potentiometer as an attenuator from the maximum levels set. See the VCA setup section for instructions on wiring up the potentiometer.

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

 

 

 

 

11

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Atlas Sound AA120M specifications Pre Out, Pwr, Bridge In/Out, Bridge Sel, Vca

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.