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Atlas AA120, Owner'S Manual

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Atlas AA120 Owner'S Manual Download Page 19

 

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. 

000106 

ATS002187 RevA 01/06 

PP 

OWNER'S MANUAL

AA120/AA240 MIXER AMPLIFIER

19

AA120/AA240 BLOCK DIAGRAM 

 Limiter

 Limiter

TAPE OUT

PWR AMP 35W

PEAK LED

ATLAS SOUND

MODEL AA120/240

OUTPUT AND REDUCES INPUT LEVEL?

1 2 3 4 5 6 7

MUTE SENS

1W @ 8

Ω

1.5V @ 600

Ω

CHANNEL 6

COMPARING CIRCUIT MONITORS VOLTAGE 

IN 1 LEVEL

ZONE 1 OUTPUT

100V

25V
8

Ω

COM

SIGNAL LED

A

B

ZONE 2 OUTPUT

8

1 2 3 4 5

LINE-TEL

PHANTOM

MIC

PRE

TRIM

CHANNEL 2

IN 2 LEVEL

LINE

PHANTOM

MIC

MUTE

PRE

TRIM

CHANNEL 3

IN 3 LEVEL

LINE

PHANTOM

MIC

MUTE

PRE

TRIM

CHANNEL 4

IN 4 LEVEL

LINE

PHANTOM

MIC

MUTE

PRE

TRIM

CHANNEL 5

IN 5 LEVEL

LINE

PHANTOM

MIC

MUTE

PRE

TRIM

IN 6 LEVEL

100mV

300mV

MUTE

PRE

AMP IN

PRE

PRE

BRIDGE

IN/OUT

SELECT/ACTIVATE

MASTER LEVEL

LINE OUT

A

B

70.7V

ZONE 2 LEVEL

VCA

VCA

BASS

TREBLE

FILTER

Input 6

Off
On

Off
On

Off
On

Off
On

Input 2

On

Off

Line

Mic

Line

Mic

Line

Mic

Sens

Input 1

Input 2

Input 3

Input 4

Input 5

Phantom

On

Off

Input 6

1

2

3

4

5

300mV

100mV

6

7

Master

Line

Mic

Mic

Tel/Line

Off
On

Mute Rcv

Input 6 Input 5 Input 4 Input 3

Vca

5

1

2

3

4

8

Low Cut 

 

6

CHANNEL 1






6

(OPTIONAL)

INPUT XFMR

POWER

+

FUSE

POWER SW

FUSE

BREAKER

AC120V AC

AC120V 60Hz

POWER TRANS

Uncontrolled - For Reference Only

1/9/2006

Summary of Contents for AA120

Page 1: ... n Bass Treble n Input 1 Master Power 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 000106 ATS002187 RevA 01 06 PP OWNER S MANUAL AA120 AA240 MIXER AMPLIFIER ...

Page 2: ...ual close by for future reference Do not install this device in dusty or humid locations or in direct exposure to sunlight In addition locations that have steam or sooty conditions are not to be used as this may result in fire or electric shock Prevent the power cord from damage pinching or being walked on in particular the plug and where the cord attaches to the amplifier Do not defeat the polari...

Page 3: ...Input 6 line level only Input 1 has VOX send Inputs 2 6 have switch selectable mute receive 2 Tape and 2 Line outputs Remote VCA selectable INPUT 6 or MASTER Switch selectable bridge in out bus allows amplifier combining Pre amp out Power amp in loop APPLICATIONS The AA120 AA240 will be right at home in large retail commercial and industrial paging and background music applications Hotels and conf...

Page 4: ... be exposed to water or other liquids which may result in fire or electric shock Operate the product only with the voltage specified on the unit Fire and or electric shock may result if a higher voltage is used Do not modify kink or cut the power cord Do not place the power cord on close proximity to heaters and do not place heavy objects on the power cord including the product itself doing so may...

Page 5: ...wall grasp the plug NOT the cord Never block the panel vents in the product s cover Heat buildup may result inside the unit and fire may result Never install this product in humid or dusty locations nor in direct sunlight near sources of heat or in areas where sooty smoke or steam in present Fire and electric shock may result WHEN THE PRODUCT IS IN USE When powering the product up for the first ti...

Page 6: ...rol until this LED just starts to flash Once all the sources connected are playing the SIGNAL LED may be on solid This condition is normal 5 Master Gain Control The MASTER GAIN CONTROL will raise or lower all the input channels together A good starting point for setting gain structure is to set MASTER GAIN CONTROL at the 12 00 position and then adjust the individual channels one at a time 6 Input ...

Page 7: ...tact closure on the remote mute terminals Refer to Number 15 Remote Mute 10 Dipswitch B Positions 1 8 Dipswitch 1 When set to the 100mV position the sensitivity of Input 6 is suitable for inputting Telephone Paging Signals When set to the 300mV position the sensitivity of Input 6 is suitable for CD DVD player outputs Dipswitch 2 5 When set to the Line position input sensitivity is suitable for CD ...

Page 8: ...areful calibration of this control may be required to fully utilize the mute circuits capabilities Adjustment of this control should occur after the input trim 12 for channel 1 is set 12 Inputs 1 5 Trim These variable controls allows fine tuning of the gain of INPUTS 1 5 There is 20dB of variable gain available The trim only applies when the input is set to the Mic position on the dipswitch 13 Zon...

Page 9: ... Output 1 Watt 8Ω The 8Ω 1W Zone 2 output can drive an external 8Ω speaker and is taken Pre input 6 gain control Use the 1W 8Ω terminals for connection to an external speaker 18 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 ter...

Page 10: ...loop problem exists See page 20 for transformer installation Contact Atlas for more details on the Input Isolation Transformer Note Input 1 cannot be muted from other channels This channel is the VOX mute send to the other inputs that are set to Mute Receive The sensitivity and threshold for the VOX send works in conjunction with the Input 1 Trim and the Input 1 Sens 21 Inputs 2 5 Inputs 2 5 are b...

Page 11: ...mix bus 25 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 26 Pwr In The AMP IN conn...

Page 12: ... line voltages 29 Unswitched Outlet The 120VAC outlet is energized at all times when the AA120 AA240 power cord is connected to a live duplex outlet Useful for connecting Atlas work lights etc Keep the total power draw below 500W AA120 or 750W AA240 30 Circuit Breaker Unswitched Outlet The circuit breaker is designed to trip and shut down the AA120 AA240 Unswitched Outlet upon an over current cond...

Page 13: ...nt panel Connect Zone 2 output to the MOH input on your telephone Adjust the Zone 2 Output level as needed Connect a wall mount volume control Atlas p n AAVCC 10K to the terminals marked VCA Set Dipswitch B 8 VCA to Master Dipswitch Settings Dipswitch 1 Off Set To The Required Gain Dipswitch 2 Off Not Affected Dipswitch 3 Off Not Affected Dipswitch 4 Off Not Affected Dipswitch 5 Off Line Dipswitch...

Page 14: ...ote volume control will control just the BGM or be a Master Volume Control Example 2 Siren tone from building EVAC system Ch 1 set for mute send 6 POWER POWER POWER Breaker 125V AC 4A Push Reset Unswitched 120V AC 60Hz Max 500W Input 1 Input 2 Input 3 Input 4 Input 6 Tape Out Pwr In Pre Out L R G M Com 8Ω 25V 70V 100V SP Out Line Out A B Zone 2 Level Input 5 Trim Input 4 Trim Input 1 Trim Input 1 ...

Page 15: ...Dipswitch Settings Dipswitch A 1 6 All Off Dipswitch B 1 8 Switch 1 300mV Switch 2 Not Used Switch 3 Mic Switch 4 Mic Switch 5 Mic Switch 6 Mic Switch 7 Will depend on type of microphones used Switch 8 Master Example 3 VCA In Out Bridge Sel Zone 2 Out 1W 8 600 Remote Mute Input 2 Trim Input 3 Trim Input 5 Input 6 Off On Off On Off On Off On Input 2 On Off Line Mic Line Mic Line Mic Sens Input 1 In...

Page 16: ...e about this contact Atlas Sound Tech Support at 1 800 876 3333 Make sure you know how many speakers you need and what tap value you intend to use Mic Line Input Use 2 conductor w shield for low level signals of 20 22 gauge is best Maintain the proper polarity to to and shield to ground For unbalanced signals connect the G to the terminal Unbalanced Inputs and Outputs Pre made RCA cables can be pu...

Page 17: ... prevent unauthorized operation of the AA120 AA240 optional security covers are available which take the place of the front panel knobs After the AA120 AA240 has been installed and is operating as desired grasp the front panel knobs and pull straight out from the front panel Replace the knobs with security covers Atlas part number AAVCC 5 available in quantities of 5 Signal Power On Off Peak Input...

Page 18: ... Atlas part number AAVCC 10K consists of a single gang Decora style wall plate with a pre mounted 10K potentiometer and knob Use two conductor unshielded wire connecting the pot terminals to the terminals marked VCA on the back of the amp To VCA Terminals RACK MOUNT KIT For permanent mounting of the AA120 AA240 into equipment racks order part number AARM 2RU If multiple units are being rack mounte...

Page 19: ...M MIC PRE TRIM CHANNEL 2 IN 2 LEVEL LINE PHANTOM MIC MUTE PRE TRIM CHANNEL 3 IN 3 LEVEL LINE PHANTOM MIC MUTE PRE TRIM CHANNEL 4 IN 4 LEVEL LINE PHANTOM MIC MUTE PRE TRIM CHANNEL 5 IN 5 LEVEL LINE PHANTOM MIC MUTE PRE TRIM IN 6 LEVEL 100mV 300mV MUTE PRE AMP IN PRE PRE BRIDGE IN OUT SELECT ACTIVATE MASTER LEVEL LINE OUT A B 70 7V ZONE 2 LEVEL VCA VCA BASS TREBLE FILTER Input 6 Off On Off On Off On...

Page 20: ...LAS SOUND LP Printed in U S A 000106 ATS002187 RevA 01 06 PP OWNER S MANUAL AA120 AA240 MIXER AMPLIFIER 20 INPUT TRANSFORMER INSTALLATION Optional Input 1 Transformer Installation Contact Atlas Sound at 1 800 876 3333 for price and availability INPUT 1 TRANSFORMER JUMPERS INPUT 1 OPTIONAL TRANSFORMER SOCKET XFMER IN XFMER BYPASS XFMER IN XFMER BYPASS p n AAIT 600 ...

Page 21: ...0 120W RMS AA240 240W RMS FREQUENCY RESPONSE 50Hz 20kHz 3dB DISTORTION 1 at rated power 1kHz SENSITIVITY Input 1 Line Tel 316mV 10dBV 10k Ohm 600Ω w optional transformer Mic 316mV 3 16mV 50dBV 70dBV Inputs 2 5 Line 316mV 10dBV 10k Ohm Mic 316mV 3 16mV 50dBV 70dBV Input 6 Line 300mV 100mV 10dBV 20dBV Selectable OUTPUTS Main Transformer coupled balanced 8Ω 25V and 70V Zone 2 8Ω Unbalanced 1W Zone 2 ...

Page 22: ...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 000106 ATS002187 RevA 01 06 PP OWNER S MANUAL AA120 AA240 MIXER AMPLIFIER 22 NOTES ...

Page 23: ...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 000106 ATS002187 RevA 01 06 PP OWNER S MANUAL AA120 AA240 MIXER AMPLIFIER 23 NOTES ...

Page 24: ...ed or installed in other than a workman like manner The original sales invoice should be retained as evidence of purchase under the terms of this warranty All warranty returns must comply with our returns policy set forth below When products returned to Atlas Sound do not qualify for repair or replacement under our warranty repairs may be performed at prevailing costs for material and labor unless...

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