CONTENTS

 

QUICK START

4

APPLICATION DIAGRAMS

8

FEATURE DESCRIPTIONS

11

GAIN

11

METERS

12

SIG

13

PROTECT

13

SHORT

13

TEMP STATUS

14

POWER

14

POWER CORD

15

SPEAKER OUTPUTS

15

INPUT

16

THRU

18

LOW CUT FILTER

18

CONSTANT DIRECTIVITY

18

CD FREQUENCY

19

AMP MODE

19

STEREO

20

MONO

20

BRIDGE

20

OUTPUT APPLICATION

20

LIMITER

20

SUBWOOFER

21

FREQUENCY

21

GENERAL PRECAUTIONS AND CONSIDERATIONS

23

RACK MOUNTING

23

THERMAL CONSIDERATIONS

23

AC POWER CONSIDERATIONS

23

INPUT WIRING

24

OUTPUT WIRING

24

70V DISTRIBUTION SYSTEMS

25

APPENDIX A: Service Info

26

TROUBLESHOOTING

26

REPAIR

27

APPENDIX B: Glossary

28

APPENDIX C: Connectors

33

APPENDIX D: Arcane Mysteries Illuminated

35

Balanced Lines

35

“Do’s” and “Don’ts” of Fixed Installations

35

Grounding

36

Optimizing Sound System Levels

36

Biamplified and Triamplified Systems

38

APPENDIX E: Technical Info

39

DO THE MATH: OHMS, LOADS AND SUCH

39

SPECIFICATIONS

40

BLOCK DIAGRAM

42

COLOPHON

43

7

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Mackie M1200/M1400 owner manual Contents

M1200/M1400 specifications

The Mackie M1200 and M1400 are two prominent power amplifiers that have gained recognition for their reliability, performance, and innovative design in the professional audio field. Engineered for both live sound and studio applications, these amplifiers deliver exceptional sound quality and unmatched power, making them a favorite among audio professionals.

One of the standout features of the M1200 and M1400 is their impressive power output. The M1200 boasts a power output of 1200 watts at 4 ohms, while the M1400 takes it a step further with 1400 watts at 4 ohms. This substantial power allows users to drive a wide range of speakers, making them suitable for various settings, from small clubs to large venues and outdoor events. Furthermore, they excel in providing clean, distortion-free sound even at high volumes.

Both models incorporate Mackie's patented Smart Protect DSP technology. This intelligent thermal and signal protection system helps prevent overheating and ensures that the amplifiers operate within safe limits, enhancing longevity and reliability. The DSP also contributes to superior sound quality, maintaining clarity and detail across different frequency ranges.

Another key feature of the M1200 and M1400 is their rugged construction. Designed for the rigors of touring and live performances, these amplifiers feature a sturdy chassis that withstands the challenges of transport and heavy use. Their efficient heatsink design allows for effective cooling, ensuring the amplifiers remain operational even under demanding conditions.

In terms of connectivity, both models are versatile. They offer XLR and TRS inputs, allowing compatibility with a variety of audio sources. The outputs include Neutrik Speakon connections, providing secure and reliable speaker connections. Additionally, the amplifiers have built-in limiters that help to prevent speaker damage by controlling signal levels.

The user-friendly interface of the M1200 and M1400 includes level control knobs, LED indicators for power and signal, and a comprehensive set of output options. This simplicity ensures that audio engineers can quickly adjust settings to cater to specific acoustic environments, making setup and operation seamless.

In conclusion, the Mackie M1200 and M1400 power amplifiers are remarkable for their powerful performance, durability, and advanced technology. Whether for live sound reinforcement or studio applications, these amplifiers continue to set a standard in audio excellence, proving their worth to sound engineers worldwide.