Atlas Sound AA-SMG User Manual

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

©2007 ATLAS SOUND LP 

Printed in U.S.A. 

    

ATS002745 RevA 3/07 

2

1.  Select White or Pink Noise

2.  Select Amp Direct or Mix Bus operation

3.  Turn the module gain pot down counter clockwise (Left direction).
4.  Turn EQ pot clockwise (Right direction).
5.  Turn the AA120M power switch off.
6.  Carefully inset the AA-SMG module into the card guider rails. Push until card is seated and the panels 

are flush. Secure with screws.

7.  Select the AA120M input module mode, switch #5 located on the rear panel of the amp.
8.   Turn all levels down on amplifier. Note if the module is in Amp Direct mode, the only level control you 

have for masking is the Gain pot on the AA-SMG. The Master and Input 6 levels on the AA120M are 
bypassed. All other channels operate normally.

9.  Turn the amp on. You should be hearing either White or Pink noise.
10. Whenever connecting the Line Out or Insert jack, always turn off the AA120M prior to connection.
11. Tune the system as needed. Always a good suggestion to refer to Atlas’s white paper on masking. 

GAIN

EQ

LINE OUT

EQ INSERT

TIP=SND

RNG-REC
SLV=GND

OUT TO AMP

J8

OFF

ON

J1

1

PRE EQ

POST EQ

J10

AMP DIRECT

MIX BUS

J5

WHIT

E

PINK

LINE OUT

2

1

4

3

5

6

7

8

TIP

(SEND)

RING

(REC)

SLEEVE

(GND)

CONNECT TO 

AA-SMG

SEND - CONNECT 

TO EQ IN

TIP

(REC)

SLEEVE

(GND)

RECEIVE - CONNECT 

TO EQ OUT

TIP

(SEND)

SLEEVE

(GND)

TIP

(HOT)

(GND)