Owner's Manual
Page 1
...THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. NE PAS OUVRIR CONCEIVED, DESIGNED, AND MANUFACTURED BY MACKIE DESIGNS INC • WOODINVILLE WA • 98072 • USA • MADE IN USA • PATENTS PENDING • COPYRIGHT ©1999... SERIAL NUMBER MANUFACTURING DATE THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", & THE "RUNNING MAN" FIGURE LIMITER OFF ON CONSTANT DIRECTIVITY HORN EQ /AIR EQ OFF ON 4.5k Hz LOW CUT FILTER TYPICAL 35 Hz STAGE...
...THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE. NE PAS OUVRIR CONCEIVED, DESIGNED, AND MANUFACTURED BY MACKIE DESIGNS INC • WOODINVILLE WA • 98072 • USA • MADE IN USA • PATENTS PENDING • COPYRIGHT ©1999... SERIAL NUMBER MANUFACTURING DATE THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", & THE "RUNNING MAN" FIGURE LIMITER OFF ON CONSTANT DIRECTIVITY HORN EQ /AIR EQ OFF ON 4.5k Hz LOW CUT FILTER TYPICAL 35 Hz STAGE...
Owner's Manual
Page 2
... been dropped, or its proper ventilation. Precautions should be moved with arrowhead symbol within an equilateral triangle is applicable) limits for radio noise emissions from heat sources such as marked on this Mackie product is operated. 2. The Component should be serviced only by the manufacturer. A Component and cart combination should be connected...
... been dropped, or its proper ventilation. Precautions should be moved with arrowhead symbol within an equilateral triangle is applicable) limits for radio noise emissions from heat sources such as marked on this Mackie product is operated. 2. The Component should be serviced only by the manufacturer. A Component and cart combination should be connected...
Owner's Manual
Page 3
... extremely high noise levels may wonder why a power amp even needs an owner's manual. Please write your vote of these permissible limits could result in op- To ensure against potentially dangerous exposure to be roadworthy. Patrice screaming about deadlines tectors in the clipping state...in a few things that reliability is the attention to pay extra for choosing a Mackie Designs power amplifier! manent hearing loss. After all over the ears must be aware of the limits set forth here. One of ordinary amplifiers. please see the Quick Start on real...
... extremely high noise levels may wonder why a power amp even needs an owner's manual. Please write your vote of these permissible limits could result in op- To ensure against potentially dangerous exposure to be roadworthy. Patrice screaming about deadlines tectors in the clipping state...in a few things that reliability is the attention to pay extra for choosing a Mackie Designs power amplifier! manent hearing loss. After all over the ears must be aware of the limits set forth here. One of ordinary amplifiers. please see the Quick Start on real...
Owner's Manual
Page 4
... different speakers, with compression drivers). 5. Turn the GAIN controls fully down (counterclockwise) for amplifying stereo signals. • MONO mode (sometimes called Bridged-Mono - Turn the LIMITER switch ON to their TYPICAL marks (35Hz). 4. If you 're using constant directivity horns with separately-adjustable level controls. • BRIDGE mode (sometimes called DualMono...
... different speakers, with compression drivers). 5. Turn the GAIN controls fully down (counterclockwise) for amplifying stereo signals. • MONO mode (sometimes called Bridged-Mono - Turn the LIMITER switch ON to their TYPICAL marks (35Hz). 4. If you 're using constant directivity horns with separately-adjustable level controls. • BRIDGE mode (sometimes called DualMono...
Owner's Manual
Page 5
... system, turn on the amplifiers last. • Keep the load above 2 ohms for stereo and 4 ohms for bridge operation. • Keep the LIMITER ON for OverLoad) are wired tip = positive (+) and sleeve = negative (-) 10. 9. AVIS: RISQUE DE CHOC ELECTRIQUE - Slowly turn down the ...8226; PATENTS PENDING • COPYRIGHT ©1999 SERIAL NUMBER MANUFACTURING DATE THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", & THE "RUNNING MAN" FIGURE LIMITER OFF ON CONSTANT DIRECTIVITY HORN EQ /AIR EQ OFF ON 4.5k Hz LOW CUT FILTER TYPICAL 35 Hz ...
... system, turn on the amplifiers last. • Keep the load above 2 ohms for stereo and 4 ohms for bridge operation. • Keep the LIMITER ON for OverLoad) are wired tip = positive (+) and sleeve = negative (-) 10. 9. AVIS: RISQUE DE CHOC ELECTRIQUE - Slowly turn down the ...8226; PATENTS PENDING • COPYRIGHT ©1999 SERIAL NUMBER MANUFACTURING DATE THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", & THE "RUNNING MAN" FIGURE LIMITER OFF ON CONSTANT DIRECTIVITY HORN EQ /AIR EQ OFF ON 4.5k Hz LOW CUT FILTER TYPICAL 35 Hz ...
Owner's Manual
Page 6
... B: Technical Information 22 OHMS 22 SPECIFICATIONS 23 BLOCK DIAGRAM 25 APPENDIX C: Bi-amping and Tri-amping 26 M•800 LIMITED WARRANTY 27 PRODUCT REGISTRATION CARD Attached to back cover Don't forget to further explanations of features and some troubleshooting ideas and service... information that is for you to visit our website: www.mackie.com for more information about this to use a calculator and read specifications. LIMITED WARRANTY Read this and other Mackie products. ABOUT THIS MANUAL APPLICATION DIAGRAMS Mackie's gang of popular studio and live-sound setups.
... B: Technical Information 22 OHMS 22 SPECIFICATIONS 23 BLOCK DIAGRAM 25 APPENDIX C: Bi-amping and Tri-amping 26 M•800 LIMITED WARRANTY 27 PRODUCT REGISTRATION CARD Attached to back cover Don't forget to further explanations of features and some troubleshooting ideas and service... information that is for you to visit our website: www.mackie.com for more information about this to use a calculator and read specifications. LIMITED WARRANTY Read this and other Mackie products. ABOUT THIS MANUAL APPLICATION DIAGRAMS Mackie's gang of popular studio and live-sound setups.
Owner's Manual
Page 7
...PATENTS PENDING • COPYRIGHT ©1999 SERIAL NUMBER MANUFACTURING DATE THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", & THE "RUNNING MAN" FIGURE LIMITER OFF ON CONSTANT DIRECTIVITY HORN EQ /AIR EQ OFF ON 4.5k Hz LOW CUT FILTER TYPICAL 35... PENDING • COPYRIGHT ©1999 SERIAL NUMBER MANUFACTURING DATE THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", & THE "RUNNING MAN" FIGURE LIMITER OFF ON CONSTANT DIRECTIVITY HORN EQ /AIR EQ OFF ON 4.5k Hz LOW CUT FILTER TYPICAL 35...
...PATENTS PENDING • COPYRIGHT ©1999 SERIAL NUMBER MANUFACTURING DATE THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", & THE "RUNNING MAN" FIGURE LIMITER OFF ON CONSTANT DIRECTIVITY HORN EQ /AIR EQ OFF ON 4.5k Hz LOW CUT FILTER TYPICAL 35... PENDING • COPYRIGHT ©1999 SERIAL NUMBER MANUFACTURING DATE THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", & THE "RUNNING MAN" FIGURE LIMITER OFF ON CONSTANT DIRECTIVITY HORN EQ /AIR EQ OFF ON 4.5k Hz LOW CUT FILTER TYPICAL 35...
Owner's Manual
Page 8
...PATENTS PENDING • COPYRIGHT ©1999 SERIAL NUMBER MANUFACTURING DATE THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", & THE "RUNNING MAN" FIGURE LIMITER OFF ON CONSTANT DIRECTIVITY HORN EQ /AIR EQ OFF ON 4.5k Hz LOW CUT FILTER TYPICAL 35... PENDING • COPYRIGHT ©1999 SERIAL NUMBER MANUFACTURING DATE THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", & THE "RUNNING MAN" FIGURE LIMITER OFF ON CONSTANT DIRECTIVITY HORN EQ /AIR EQ OFF ON 4.5k Hz LOW CUT FILTER TYPICAL 35...
...PATENTS PENDING • COPYRIGHT ©1999 SERIAL NUMBER MANUFACTURING DATE THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", & THE "RUNNING MAN" FIGURE LIMITER OFF ON CONSTANT DIRECTIVITY HORN EQ /AIR EQ OFF ON 4.5k Hz LOW CUT FILTER TYPICAL 35... PENDING • COPYRIGHT ©1999 SERIAL NUMBER MANUFACTURING DATE THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", & THE "RUNNING MAN" FIGURE LIMITER OFF ON CONSTANT DIRECTIVITY HORN EQ /AIR EQ OFF ON 4.5k Hz LOW CUT FILTER TYPICAL 35...
Owner's Manual
Page 9
...PATENTS PENDING • COPYRIGHT ©1999 SERIAL NUMBER MANUFACTURING DATE THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", & THE "RUNNING MAN" FIGURE LIMITER OFF ON CONSTANT DIRECTIVITY HORN EQ /AIR EQ OFF ON 4.5k Hz LOW CUT FILTER TYPICAL 35... PENDING • COPYRIGHT ©1999 SERIAL NUMBER MANUFACTURING DATE THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", & THE "RUNNING MAN" FIGURE LIMITER OFF ON CONSTANT DIRECTIVITY HORN EQ /AIR EQ OFF ON 4.5k Hz LOW CUT FILTER TYPICAL 35...
...PATENTS PENDING • COPYRIGHT ©1999 SERIAL NUMBER MANUFACTURING DATE THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", & THE "RUNNING MAN" FIGURE LIMITER OFF ON CONSTANT DIRECTIVITY HORN EQ /AIR EQ OFF ON 4.5k Hz LOW CUT FILTER TYPICAL 35... PENDING • COPYRIGHT ©1999 SERIAL NUMBER MANUFACTURING DATE THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", & THE "RUNNING MAN" FIGURE LIMITER OFF ON CONSTANT DIRECTIVITY HORN EQ /AIR EQ OFF ON 4.5k Hz LOW CUT FILTER TYPICAL 35...
Owner's Manual
Page 12
... important to handtighten each of getting these cables with hot, neutral, and ground terminals. NE PAS OUVRIR CONCEIVED, DESIGNED, AND MANUFACTURED BY MACKIE DESIGNS INC • WOODINVILLE WA • 98072 • USA • MADE IN USA • PATENTS PENDING • COPYRIGHT ©...;1999 SERIAL NUMBER MANUFACTURING DATE THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", & THE "RUNNING MAN" FIGURE LIMITER OFF ON CONSTANT DIRECTIVITY HORN EQ /AIR EQ OFF ON 4.5k Hz LOW CUT FILTER TYPICAL 35 ...
... important to handtighten each of getting these cables with hot, neutral, and ground terminals. NE PAS OUVRIR CONCEIVED, DESIGNED, AND MANUFACTURED BY MACKIE DESIGNS INC • WOODINVILLE WA • 98072 • USA • MADE IN USA • PATENTS PENDING • COPYRIGHT ©...;1999 SERIAL NUMBER MANUFACTURING DATE THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", & THE "RUNNING MAN" FIGURE LIMITER OFF ON CONSTANT DIRECTIVITY HORN EQ /AIR EQ OFF ON 4.5k Hz LOW CUT FILTER TYPICAL 35 ...
Owner's Manual
Page 14
... WATTS CH 2 OHMS LOAD MIN. DO NOT REMOVE COVER. AVIS: RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR CONCEIVED, DESIGNED, AND MANUFACTURED BY MACKIE DESIGNS INC • WOODINVILLE WA • 98072 • USA • MADE IN USA • PATENTS PENDING • COPYRIGHT ©1999 SERIAL... NUMBER MANUFACTURING DATE THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", & THE "RUNNING MAN" FIGURE LIMITER OFF ON CONSTANT DIRECTIVITY HORN EQ /AIR EQ OFF ON 4.5k Hz LOW CUT FILTER TYPICAL 35 Hz ...
... WATTS CH 2 OHMS LOAD MIN. DO NOT REMOVE COVER. AVIS: RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR CONCEIVED, DESIGNED, AND MANUFACTURED BY MACKIE DESIGNS INC • WOODINVILLE WA • 98072 • USA • MADE IN USA • PATENTS PENDING • COPYRIGHT ©1999 SERIAL... NUMBER MANUFACTURING DATE THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", & THE "RUNNING MAN" FIGURE LIMITER OFF ON CONSTANT DIRECTIVITY HORN EQ /AIR EQ OFF ON 4.5k Hz LOW CUT FILTER TYPICAL 35 Hz ...
Owner's Manual
Page 15
... roll-off of a good thing, perhaps. 15 Too much highfrequency content. If your audience to the signal (above about 3kHz. Speaking of Mackie SR consoles: If you use the CONSTANT DIRECTIVITY feature to enhance your mix, making cymbals brighter and vocals silkier. The exact frequency at which ...breakpoint) depends on the materials used, the mass of the moving parts (diaphragm and voice coil) and the strength of these are fraught with limitations, not to mention adding cost, rack space requirements, and complexity to start). 15dB 10dB 5dB CONSTANT DIRECTIVITY HORN EQ /AIR EQ 4.5k Hz...
... roll-off of a good thing, perhaps. 15 Too much highfrequency content. If your audience to the signal (above about 3kHz. Speaking of Mackie SR consoles: If you use the CONSTANT DIRECTIVITY feature to enhance your mix, making cymbals brighter and vocals silkier. The exact frequency at which ...breakpoint) depends on the materials used, the mass of the moving parts (diaphragm and voice coil) and the strength of these are fraught with limitations, not to mention adding cost, rack space requirements, and complexity to start). 15dB 10dB 5dB CONSTANT DIRECTIVITY HORN EQ /AIR EQ 4.5k Hz...
Owner's Manual
Page 16
...REFER SERVICING TO QUALIFIED PERSONNEL. Turn off . Use only the CH 1 GAIN control. 6. NE PAS OUVRIR CONCEIVED, DESIGNED, AND MANUFACTURED BY MACKIE DESIGNS INC • WOODINVILLE WA • 98072 • USA • MADE IN USA • PATENTS PENDING • COPYRIGHT ©...1999 SERIAL NUMBER MANUFACTURING DATE THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", & THE "RUNNING MAN" FIGURE LIMITER OFF ON CONSTANT DIRECTIVITY HORN EQ /AIR EQ OFF ON 4.5k Hz LOW CUT FILTER TYPICAL 35...
...REFER SERVICING TO QUALIFIED PERSONNEL. Turn off . Use only the CH 1 GAIN control. 6. NE PAS OUVRIR CONCEIVED, DESIGNED, AND MANUFACTURED BY MACKIE DESIGNS INC • WOODINVILLE WA • 98072 • USA • MADE IN USA • PATENTS PENDING • COPYRIGHT ©...1999 SERIAL NUMBER MANUFACTURING DATE THE FOLLOWING ARE TRADEMARKS/REGISTERED TRADEMARKS OF MACKIE DESIGN INC.: "MACKIE", "FR SERIES", & THE "RUNNING MAN" FIGURE LIMITER OFF ON CONSTANT DIRECTIVITY HORN EQ /AIR EQ OFF ON 4.5k Hz LOW CUT FILTER TYPICAL 35...
Owner's Manual
Page 17
... even notice any audible difference. Clipping occurs when the output voltage no longer linearly follows the input voltage and simply stops. The limiter works independently on , you can damage speakers that of clipping. High frequency harmonics are designed to protect your speakers, which can ...be overdriven and attenuates the overall level just enough to be damaged. The limiter is without diminishing the "power" behind the spikes. AC volts AC volts Clipped Audio signal Clipped 'do it 's just there to...
... even notice any audible difference. Clipping occurs when the output voltage no longer linearly follows the input voltage and simply stops. The limiter works independently on , you can damage speakers that of clipping. High frequency harmonics are designed to protect your speakers, which can ...be overdriven and attenuates the overall level just enough to be damaged. The limiter is without diminishing the "power" behind the spikes. AC volts AC volts Clipped Audio signal Clipped 'do it 's just there to...
Owner's Manual
Page 18
... avoid presenting a safety hazard. Rather, sequence them all the amplifiers plugged into an outlet that is recommended that has conductors large enough to avoid severely limiting the amplifier's ability to supply high currents on , one amplifier to the front of the rack. GENERAL PRECAUTIONS RACK MOUNTING The M•800 amp requires...
... avoid presenting a safety hazard. Rather, sequence them all the amplifiers plugged into an outlet that is recommended that has conductors large enough to avoid severely limiting the amplifier's ability to supply high currents on , one amplifier to the front of the rack. GENERAL PRECAUTIONS RACK MOUNTING The M•800 amp requires...
Owner's Manual
Page 23
This means the line impedance must be very low to insure that the limiter circuit be engaged. If driving highly reactive loads, we recommend that the peak AC line voltage does not sag to less than 97% of power ...
This means the line impedance must be very low to insure that the limiter circuit be engaged. If driving highly reactive loads, we recommend that the peak AC line voltage does not sag to less than 97% of power ...
Owner's Manual
Page 24
Limiter Section: Complementary Positive and Negative Peak Detecting Indicators: 5 meter LEDs per channel -20dB, -9dB, -6dB, -3dB, OL (Overload) TEMP STATUS NORMAL/HOT LEDs Power Consumption: ... rated power into 2 ohms (continuous sine wave) AC Drop-out Voltage: At approximately 65% of their respective holders, and are trademarks or registered trademarks of Mackie Designs Inc. All other brand names mentioned are trademarks or registered trademarks of rated line voltage Physical: Height Width Depth Overall Depth Weight 3.5 inches (89mm...
Limiter Section: Complementary Positive and Negative Peak Detecting Indicators: 5 meter LEDs per channel -20dB, -9dB, -6dB, -3dB, OL (Overload) TEMP STATUS NORMAL/HOT LEDs Power Consumption: ... rated power into 2 ohms (continuous sine wave) AC Drop-out Voltage: At approximately 65% of their respective holders, and are trademarks or registered trademarks of Mackie Designs Inc. All other brand names mentioned are trademarks or registered trademarks of rated line voltage Physical: Height Width Depth Overall Depth Weight 3.5 inches (89mm...
Owner's Manual
Page 25
...OUT OL -3 METER -6 DRIVE -9 -20 CH 2 SPEAKER OUT TO HUSKY STADIUM FAN MUTE THERMAL PROTECT OFF ON +74VDC +64VDC CH 2 GAIN LIMITER MUTE AMP LIMITER DETECTION -64VDC DC OFFSET PROTECT 60ºC -74VDC DETECTOR CH 1 AMP OUT CH 2 AMP OUT PROGRAM DETECT HOT LED 80ºC MUTE 55...EQ ON OFF POWER FUSE SWITCH TOROIDAL POWER TRANSFORMER LAMP STEREO MONO BRIDGE CH 1 GAIN INVERTING UNITY GAIN AMPLIFIER +74VDC LIMITER +64VDC DETECTION LIMITER OFF ON LIMITER SWITCH AMP MUTE DC OFFSET PROTECT -64VDC -74VDC STEREO MONO BRIDGE STEREO MONO BRIDGE TEMP SENSOR (ON HEATSINK) + 64 VDC...
...OUT OL -3 METER -6 DRIVE -9 -20 CH 2 SPEAKER OUT TO HUSKY STADIUM FAN MUTE THERMAL PROTECT OFF ON +74VDC +64VDC CH 2 GAIN LIMITER MUTE AMP LIMITER DETECTION -64VDC DC OFFSET PROTECT 60ºC -74VDC DETECTOR CH 1 AMP OUT CH 2 AMP OUT PROGRAM DETECT HOT LED 80ºC MUTE 55...EQ ON OFF POWER FUSE SWITCH TOROIDAL POWER TRANSFORMER LAMP STEREO MONO BRIDGE CH 1 GAIN INVERTING UNITY GAIN AMPLIFIER +74VDC LIMITER +64VDC DETECTION LIMITER OFF ON LIMITER SWITCH AMP MUTE DC OFFSET PROTECT -64VDC -74VDC STEREO MONO BRIDGE STEREO MONO BRIDGE TEMP SENSOR (ON HEATSINK) + 64 VDC...
Owner's Manual
Page 27
... any products that do not allow exclusion or limitation of incidental, special, or consequential damages or a limitation on behalf of Mackie products are found in a safe place. M•800 LIMITED WARRANTY Please keep your nearest Mackie Authorized Service Center and 2) A return authorization (RA). A. Service and repairs of Mackie Designs or to you get a Return Authorization (RA...
... any products that do not allow exclusion or limitation of incidental, special, or consequential damages or a limitation on behalf of Mackie products are found in a safe place. M•800 LIMITED WARRANTY Please keep your nearest Mackie Authorized Service Center and 2) A return authorization (RA). A. Service and repairs of Mackie Designs or to you get a Return Authorization (RA...
Spec Sheet
Page 1
...in dB and volts Signal present and OL LEDs Channel Status LEDs Superior T-Design cooling Five-year, limited warranty (U.S. version, and Speakon® and binding posts for churches, clubs, schools, conference centers, hotels High level A/V playback ...57454; Large speech systems 1 OF 8 PAGES AMPLIFIER M•800 M•800 High-Current Power Amplifier The Mackie M•800 is a dual channel, high output power amplifier that incorporates a number of unique features including FR "Fast Recovery" design, high...
...in dB and volts Signal present and OL LEDs Channel Status LEDs Superior T-Design cooling Five-year, limited warranty (U.S. version, and Speakon® and binding posts for churches, clubs, schools, conference centers, hotels High level A/V playback ...57454; Large speech systems 1 OF 8 PAGES AMPLIFIER M•800 M•800 High-Current Power Amplifier The Mackie M•800 is a dual channel, high output power amplifier that incorporates a number of unique features including FR "Fast Recovery" design, high...