AA120M MIXER AMPLIFIER

OWNER'S MANUAL

BLOCK DIAGRAM FOR AA120M

 

AC120V 60Hz

FUSE

POWER SW

 

 

BREAKER

AC120V AC

 

 

 

 

CHANNEL 1

 

 

 

 

 

INPUT XFMR

 

 

 

(OPTIONAL)

LINE-TEL

PHANTOM

 

MIC

 

 

 

 

 

 

 

 

 

JP

 

CHANNEL 2

 

 

 

 

FUSE

 

 

POWER

 

 

+

POWER TRANS

1 2 3 4 5 6 7 8 9 10

PRE

 

IN 1 LEVEL

 

 

 

ZONE

ZONE

 

2

3

TRIM

LEVEL

LEVEL

 

MUTE SEND (REAR PANEL SW)

 

 

1

2

3

4

5

6

7

8

9

10

Lowcut

VCA

Phantom Relay Act

Input6

Input5

Input4

Input3

Input2

Input1

On

Input5

On

Vox

Amp Dir

300mV

Mic

Mic

Mic

Mic

Off

Master

Off

CC

Mix Bus

100mV

Line

Line

Line

Line/Tel

TAPE OUT

PREPRE

BASS

FILTER

TREBLE

IN/OUT

BRIDGE

LINE

PHANTOM

MIC

 

 

 

 

CHANNEL 3

 

LINE

PHANTOM

MIC

 

 

 

 

CHANNEL 4

 

LINE

PHANTOM

MIC

 

 

 

CHANNEL 5

100mV

300mV

CHANNEL 6





MIX BUSS

AMP DIR





 

IN 2 LEVEL

PRE

MUTE

PRE MUTE

TRIM

POST MUTE

CH 2 INTERNAL JUMPERS

ZONEZONE

23

LEVELLEVEL

VOX MUTE SEND

SEND OFF REC

(INTERNAL JUMPER)

REMOTE MUTE ASSIGN

CH 2

MUTE

SWITCH

IN 3 LEVEL

PRE

MUTE

PRE MUTE

TRIM

POST MUTE

CH 3 INTERNAL JUMPERS

ZONEZONE

23

LEVELLEVEL

VOX MUTE SEND

SEND OFF REC

(INTERNAL JUMPER)

 

REMOTE MUTE ASSIGN

CH 3

 

MUTE

 

SWITCH

 

 

IN 4 LEVEL

PRE

MUTE

PRE MUTE

 

TRIM

 

POST MUTE

 

CH 4 INTERNAL JUMPERS

 

ZONEZONE

23

LEVELLEVEL

VOX MUTE SEND

SEND OFF REC

(INTERNAL JUMPER)

REMOTE MUTE ASSIGN

CH 4

MUTE

SWITCH

IN 5 LEVEL

PRE

MUTE

PRE MUTE

POST MUTE

CH 5 INTERNAL JUMPERS

ZONEZONE

23

LEVELLEVEL

(INTERNAL JUMPER) REMOTE MUTE ASSIGN

IN 6 LEVEL

PRE

MUTE

PRE MUTE

POST MUTE

CH 6 INTERNAL JUMPERS

ZONEZONE

23

LEVELLEVEL

VOX MUTE SEND

SEND OFF REC

(INTERNAL JUMPER)

SELECT / ACTIVATE

VCA

ZONE 3 OUTPUT

ZONE 2 OUTPUT

AMP IN

PRE OUT

 

 

MASTER LEVEL

 

 

LINE OUT

 

 

SIGNAL LED PEAK LED

 

 

 

100V

 

 

70.7V

 

 

25V

 

 

8Ω

 

PWR AMP 35W

COM

 

 

 

 

ZONE 1 OUTPUT

 

LIMITER

 

ATLAS SOUND

MODEL AA120M Uncontrolled - For Reference Only 9-22-2005

1.5V

@ 600Ω

1W

@ 8Ω

CH 6

REMOTE MUTE ASSIGN

MUTE

SWITCH

REMOTE MUTE

CC MUTE OUT BUSS

VOX MUTE OUT BUSS

MUTE

SEND

TRIMCIRCUIT BUSS

RELAY

+24V DC

 

MANUAL

 

MUTE

GRN

CIRCUIT

 

BUSS

NC

RELAY

 

VOICE ACT / REMOTE

COM

SWITCH

+24V

NO

DC

 

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

24

Page 24
Image 24
Atlas Sound specifications Block Diagram for AA120M

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.