Mackie M1200/M1400 owner manual Freq

Page 42

42

 

 

SIG

 

 

(TO CH 1

FREQ

FREQ

METER DRIVE)

OUTPUT

APPLICATION

SWITCH

TO CH 1

MUTE

CH 1

PROTECT

LEDFUSE +80VDC

CH 1

CH 1

SHORT

LED

SHORT

DETECT

DC OFFSET

DETECT

BLOCK DIAGRAM

M•1200/M•1400

OL –3

METER –6

DRIVE –9

–20

SIG

CH 1

SIG

CH 1

BALANCED LINE INPUT (XLR-F)

THRU

(XLR-M)

CH 1

BALANCED LINE INPUT (TRS)

CH 2

BALANCED LINE INPUT (XLR-F)

LOW CUT

CD EQ

 

FILTER

 

 

 

ON

FREQ

 

 

63 Hz

 

OFF

125 Hz

 

 

 

 

LOW PASS

 

 

FILTER

 

 

(SUBWOOFER)

FREQ

FREQ

 

LOW CUT

CD EQ

SIG

ON

OFF

SUB

TO

LIMITER

NC

NC

ON

OFF

SUB

GAIN

 

 

LIMITER

INVERTING

 

UNITY GAIN

 

AMPLIFIER

 

 

AMP

STEREO

MODE

SWITCH

MONO

 

NC BRIDGE

 

CH 2

 

GAIN

 

 

LIMITER

MUTE

POWER

AMPLIFIER

 

 

FUSE

CH 1

–80VDC

MUTE

 

 

TO CH 2

 

MUTE

CH 2

 

PROTECT

FUSE

LED

 

+80VDC

MUTE

POWER

AMPLIFIER

 

 

FUSE

CH 2

SHORT

LED

SHORT

DETECT

DC OFFSET

DETECT

CH 1

SPEAKER

OUT

OL –3

METER –6

DRIVE –9

–20

SIG

CH 2

SIG

CH 2

SPEAKER

OUT

THRU

(XLR-M)

CH 2

BALANCED LINE INPUT (TRS)

MACKIE DESIGNS M•1200/M•1400

BLOCK DIAGRAM (#110896DF)

FILTER

 

(TO CH 2

 

ON

METER DRIVE)

 

 

PD's LEASH

 

OFF

 

FUSE

POWER

TOROIDAL POWER

SWITCH

TRANSFORMER

 

LAMP

+

 

80 VDC

 

 

 

TO CH 1

 

 

AND CH 2

THERMAL

 

MUTE

PROTECT

TEMP

SENSOR

(ON HEATSINK)

+

90VDC

 

 

CH 2

–80VDC

 

 

MUTE

 

HOT

 

60ºC

 

LED

 

 

80ºC MUTE

 

DETECTOR

FAN

TO CH 1

 

55ºC UNMUTE

 

 

AND CH 2

 

SPEED

 

MUTE

CH 1 MUTE

CONTROL

COLD

 

 

LED

 

CH 2 MUTE

 

 

CH 1 AMP OUT

 

HI DCV

 

CH 2 AMP OUT

 

 

 

 

 

 

 

LO DCV

FAN

TO HUSKY

STADIUM

Image 42
Contents Speaker Outputs Safety Instructions To suffi Protectors Ciently Noise level exposures shown in this chartManent hearing loss While thisM1200/M1400 Amps can be mounted Be sure the Power switch is off before making connectionsQuick Start M1200/M1400 amps1/4 TS connectors are wired Tip = hot + and sleeve = cold Start dancing, but don’t let the ants out of your pantsThings You Must Remember General Precautions Considerations Application DiagramsPlug for the Connectors Section Arcane Mysteries IlluminatedContents Application M1400 Main Speakers and Stage Monitors with ONE Amplifier M1200/M1400 Stereo System with Bridged Subwoofer Gain DB for those of you sittin’ there with your calculatorMeters High Current DesignShort SIGProtect Outputs. Both the Protect and the Short LEDs light upPower Temp StatusSpeaker Outputs Power CordFiers first. When powering If you shut down your System, turn off your ampliBe Aware Should you An amp’s signal routingInput Choose to terminate your Speaker cables withHot + Pin Cold Pin RingPin Shield Thru LOW CUT FilterConstant Directivity AMP Mode More on Constant Directivity HornsLimiter BridgeOutput Application NEL 1 inputs onlySubwoofer Here’s how to configure it Turn the M1200/M1400’s Power offTurn the M1200/M1400’s Power on. Woof Select a rolloff point, via the FrequencySubwoofer Frequency switch setting either 63Hz or 125Hz AC Power Considerations Rack MountingThermal Considerations AC Power Distribution Input WiringOutput Wiring FeetImpedance Wire 70V Distribution SystemsLoad Gauge Make sure the AMP Mode switch is set to Bridge Warranty ServiceTroubleshooting Are both Gain knobs set to the same position?Repair Mackie DesignsWood-Red Rd. NE Woodinville, WA Sound Pressure Level SPL measured with an a weighting filter Term for a sound mixer, usually a large desk-like mixerEMI Frequency See HertzSignal whose level falls between -10 dBu and +30 dBu Male counterpart to the phone jack. See aboveControl affecting the final output of a TRS Unity gainUnbalancing a Line XLR Connectors⁄4 TS Phone Plugs and Jacks InstrumentsSpeakons Binding PostsBalanced Lines Balanced line is a threeBalanced lines offer increased immunity Optimizing Sound System Levels GroundingHere are some guidelines Don’t use hardware-store light dimmersNext set the master output level fader Dynamic RangeBiamplified System with Active Crossover Do the Math OHMS, Loads and Such As a load gets heavier, its impedance in ohms decreasesOhm speaker load is twice as heavy as a Specifications AC Line Power IndicatorsPower Consumption Limiter SectionFreq Colophon Mackie Designs Inc All Rights Reserved

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.