Atlas MA40G Owner's Manual
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Atlas MA40G Owner's Manual

Mixer amplifiers
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Owner's Manual
MA40G Front Silkscreen Artwork
MA60G Front Silkscreen Artwork
Power
Input 2
Input 1
Balanced Input
Power
Unbalanced
Input 2
Input 1
Balanced Input
Unbalanced
MA40G & MA60G
Mixer Amplifiers
Limit
Signal
Input 3
Input 2 Mute
Input 3 Mute
L
Phantom Power
Input 1
R
Limit
Signal
Input 3
Input 2 Mute
Input 3 Mute
L
Phantom Power
Input 1
R
1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.
Telephone: 800.876.3333 • Fax: 800.765.3435
– 1 –
Specifications are subject to change without notice.
MA40G / MA60G
Mixer Amplifier
Input 1
Input 2
Level
Level
1601 Jack McKay Blvd
Ennis, TX 75119
On
Off
800.876.3333
On
Off
AtlasSound.com
On
Off
Mic
Line
40 Watts
Remote
70.7V/100V
Mute
Input 1
Input 2
Speaker Out
0
10
VOX
Sense
Level
Level
1601 Jack McKay Blvd
Ennis, TX 75119
On
Off
800.876.3333
On
Off
AtlasSound.com
On
Off
Mic
Line
60 Watts
Remote
70.7V/100V
Mute
Speaker Out
0
10
VOX
Sense
Input 3
Level
Input 3
100V -240V ~ 50Hz/60Hz 750mA
Level
100V -240V ~ 50Hz/60Hz 1A
AtlasSound.com

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Summary of Contents for Atlas MA40G

  • Page 1 MA40G / MA60G Owner’s Manual Mixer Amplifier MA40G Front Silkscreen Artwork MA40G & MA60G Mixer Amplifiers MA60G Front Silkscreen Artwork Input 1 Input 2 Input 3 Power Limit Signal Level Level Level 1601 Jack McKay Blvd Input 2 Input 3...

  • Page 2: Table Of Contents

    Applications ..........................5 Front Panel Description ......................5 Rear Panel Description ......................6 Wiring the MA40G / MA60G ....................7 Optional Level Control Security Cover ..................7 Optional Rack Mount Kit ......................7 Limit LED & Load Considerations .................... 8 Specifications ...........................

  • Page 3: Important Safety Instructions

    MA40G / MA60G Owner’s Manual Mixer Amplifier Important Safety Instructions The lightning flash with arrowhead symbol within an CAUTION equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage “ within the RISK OF ELECTRIC SHOCK product’s enclosure that may be of sufficient magnitude...
  • Page 4 2. Should any of the following irregularities occur during use, immediately switch off the power, disconnect the power cord from the AC outlet and contact Atlas Sound. Do not to attempt to continue operation with the device as this may cause fire or electric shock: •...

  • Page 5: Introduction

    Speaker Out The LIMIT LED will illuminate when the MA40G/MA60G is in a clipping condition, caused by excessively high input levels or a GAIN control is turned up too high. An occasional flash is OK. Check that the proper signal level is being fed into the Sense inputs and/or turn the input gain down until the LED is no longer illuminated.

  • Page 6: Rear Panel Description

    MA40G / MA60G Owner’s Manual Mixer Amplifier 4. Input 1 Gain Input 1 level control potentiometer varies the amplitude of the signal fed into the amplifier. Turn clockwise to increase and counter-clockwise to decrease the signal level. 5. Input 2 Gain Input 2 level control potentiometer varies the amplitude of the signal fed into the amplifier. Turn clockwise to increase and counter-clockwise to decrease the signal level.

  • Page 7: Wiring The Ma40G/Ma60G

    Security Cover Rack Mount Kit Option The MA40G & MA60G can be rack mounted as a single unit or with two units together. To do so a PA702RMK Rack Mount Kit needs to be purchased from Atlas Sound. 1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A.

  • Page 8: Limit Led & Load Considerations

    The enclosed load chart will provide the information to determine if the load or speaker system impedance is too low for the amplifier's rating. In every install it is always recommended to measure the load prior to turning the system on to be sure the system is installed correctly. MA40G & MA60G Max Load Chart Speaker MA40G...
  • Page 9 MA40G / MA60G Owner’s Manual Mixer Amplifier Measuring a Speaker System's Impedance Note: It is important to only use an Audio Impedance Meter and not a conventional Volt/Ohm meter. A true audio frequency impedance meter is essential for reliable installation of background music and paging systems in residences, office buildings and public areas. Avoid costly service calls and amplifier damage by verifying actual speaker system impedance prior to operation. Unlike conventional volt/ohm meters, which measure DC resistance, an Audio Impedance Meter unit utilizes an internal...

  • Page 10: Specifications

    MA40G / MA60G Owner’s Manual Mixer Amplifier Specifications Power Output: MA40G = 40W @ 70.7V (125Ω), 40W @100V (250Ω) MA60G = 60W @ 70.7V (83Ω), 60W @ 100V (166Ω) Frequency Response: 50Hz - 20kHz THD+N: .5% or Less @ 1kHz, Rated Output Sensitivity: Input 1 Mic = .316~3.16mV (-50 ~ -30dBV) Line Input 500mv (600Ω) Inputs 2/3 RCA 500mv (10kΩ) Output Regulation: Less Than 2dB, No Load To Full Load Signal to Noise Ratio: Mic = >55dB Line = >55dB Input 2/3 = >55dB Indicators: Power, Signal, Limit...
  • Page 11 MA40G / MA60G Owner’s Manual Mixer Amplifier NOTES 1601 Jack McKay Blvd. • Ennis, Texas 75119 U.S.A. Telephone: 800.876.3333 • Fax: 800.765.3435 – 11 – AtlasSound.com Specifications are subject to change without notice.

  • Page 12: Warranty

    LIMITED TO WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Atlas Sound does not assume, or does it authorize any other person to assume or extend on its behalf, any other warranty, obligation, or liability. This warranty gives you specific legal rights and you may have other rights which vary from state to state.

This manual is also suitable for:

Ma60g

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