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O O O O
M-SERIES
HIGH EFFICIENCY POWER AMPLIFIERS
M•2000
M•3000
M•4000
� � � � � � � � � � � � � �
.
M 4 0 0 0
H I G H E F F I C I E N C Y P O W E R A M P L I F I E R
OL OL
1 2
-3 -3
INTERNAL INTERNAL
STATUS STATUS
-6 -6
PROTECT -9 -9 PROTECT
SHORT SHORT
-20 -20
OVER TEMP SIG SIG OVER TEMP
M A X M A X
POWER
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Important Safety Instructions 1. Read these instructions. 13. Unplug this apparatus during lightning storms or when unused for long periods of time. 2. Keep these instructions. 14. Refer all servicing to qualified service personnel. Servicing is required 3. Heed all warnings. when the apparatus has been damaged in any way, such as power- 4. Follow all instructions. supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed
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Owner’s Manual Table of Contents Introduction ................................................................................................................4 Getting Started ..........................................................................................................5 Connections and Settings ........................................................................................................................5 Hookup Diagrams .....................................................
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Introduction Thank you for choosing a Mackie high-efficiency while minimizing Class-H switching distortion. The power amplifier. We appreciate your vote of confidence bottom line is the M-Series amplifiers achieve some of for the folks in Woodinville who specialize in awesome the lowest distortion numbers in the business without and affordable professional audio designs. resorting to substantial amounts of negative feedback. • That’s Not All! The Mackie M-Series power amplifiers have a wide varie
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Owner’s Manual • The 1/4" TRS inputs are wired tip = hot (+), ring = cold (–) and sleeve = shield (ground), and Getting Started can accept either balanced (TRS) or unbalanced (TS) cables. READ THIS PAGE!! • The screw terminal inputs are wired as indicated: hot (+), cold (–), and ground (GND). Even if you’re one of those people who never read manuals, all we ask 7. In MONO and BRIDGE modes, the signals appear- is that you read this page now before ing at Channel 1 and Channel 2 inputs
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15. For quieter listening, it is preferable to adjust the amplifier’s gain controls rather than the source signal’s output level (unless you have the source’s control all the way up!). Other Nuggets of Wisdom • For optimum sonic performance, the channel and main mix faders on your mixer should be set near the “U” (unity gain) markings. Then adjust the amplifier’s gain control to attain the desired volume through the loudspeakers. • Never plug amplifier outputs into anything except speakers
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Owner’s Manual Hookup Diagrams OPTIONAL CONNECTION USING BINDING POSTS TO SPEAKERS FROM MIXING CONSOLE LEFT AND RIGHT MAIN OUT SPEAKER OUTPUTS + BRIDGE + + SPEAKER OUTPUTS CAUTION + BRIDGE . M 4000 LETHAL AMP HIGH EFFICIENCY POWER AMPLIFIER VOLTAGES MAY APPEAR AC LINE + + MODE AT OUTPUT SERIAL / DATE CODE BREAKER TERMINALS. STEREO (PUSH TO RESET) CLASS 3 WIRING IS REQUIRED. MONO HPF HPF 1300W / CH BRIDGE 4 Ω LOAD MIN LPF LPF 2600W BRIDGE 8 Ω LOAD MIN FULL FULL PIN 1 = CH1 PIN 1 = BRIDGE P
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OPTIONAL CONNECTION USING BINDING POSTS TO SPEAKERS FROM MIXING CONSOLE MAIN OUT SPEAKER OUTPUTS + BRIDGE + + SPEAKER OUTPUTS + . CAUTION BRIDGE M 4000 LETHAL HIGH EFFICIENCY POWER AMPLIFIER VOLTAGES AMP MAY APPEAR MODE AC LINE + + AT OUTPUT SERIAL / DATE CODE BREAKER TERMINALS. STEREO (PUSH TO RESET) CLASS 3 WIRING IS REQUIRED. MONO HPF HPF 1300W / CH BRIDGE 4 Ω LOAD MIN LPF LPF 2600W BRIDGE 8 Ω LOAD MIN FULL FULL PIN 1 = CH1 PIN 1 = BRIDGE PIN 1 = CH2 PIN 2 = CH2 PIN 2 = UNUSED PI
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Owner’s Manual OPTIONAL CONNECTION USING BINDING POSTS TO SPEAKERS FROM MIXING CONSOLE LEFT AND RIGHT MAIN OUT SPEAKER OUTPUTS + BRIDGE + + SPEAKER OUTPUTS CAUTION + BRIDGE . M 4000 LETHAL HIGH EFFICIENCY POWER AMPLIFIER VOLTAGES AMP MAY APPEAR AC LINE + + MODE AT OUTPUT SERIAL / DATE CODE BREAKER TERMINALS. STEREO (PUSH TO RESET) CLASS 3 WIRING IS REQUIRED. MONO HPF HPF 1300W / CH BRIDGE 4 Ω LOAD MIN LPF LPF 2600W BRIDGE 8 Ω LOAD MIN FULL FULL PIN 1 = CH1 PIN 1 = BRIDGE PIN 1 = CH2 PIN
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M-Series Features You can set the Gain controls as low as you like. How- Front Panel ever, reducing the Gain controls requires an increased Much of the front panel of the M-Series amplifiers is input level to reach full power at the amplifier’s output. comprised of ventilation slots for expelling warm air from Like all amplifier controls, you’ll typically determine the inside of the amplifier. Be sure to leave space in front the optimal settings during installation or sound check, of the ampli
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Owner’s Manual the amplifier resumes normal operation. If it senses the 3. PROTECT Indicator shorted condition again, the cycle repeats until you fix If the PROTECT LEDs are on, the amplifier’s output the problem. section has shut down. That, of course, means you won’t Typical causes for a “short” indication would be either hear anything until you rectify the situation. Three a shorted speaker cable or too many speaker cabinets things can cause the PROTECT circuit to engage: connected to the
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Be Aware: If the OVER TEMP LED comes on fre- Rear Panel quently, something is overworking the amplifier or it’s not properly ventilated. Look at each of the “extreme The rear panel of the M-Series amplifiers is comprised conditions” described above and try to determine what of the fans, the input and output connectors, and a num- is causing the amplifier to overheat. Refer to “Thermal ber of cool extra features. Considerations” on page 16 or to the “Troubleshooting” section in Appendix A for
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Owner’s Manual See “Output Wiring” on page 18 for more info on mak- 9. INPUTS ing the speaker output connections. The M-Series amplifiers give you a choice — it has combination XLR and 1/4" inputs, as well as screw 8. AMP MODE terminal balanced input connectors. Sonically (and This three-way switch, along with the X-OVER electrically) they’re identical. Since these inputs are switches, determines what kind of amplifier you want all in parallel (the Thru jacks are in parallel with the the M-S
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ing. The Thru jacks are wired straight from the XLR and nal inputs, you could jumper the signal over from TRS INPUTs — there is no electronic circuitry between Channel 1 to Channel 2 as shown below. JUMPERS — so the signal going into the amp is exactly the same as the signal coming out of the Thru jacks. You can use the Thru jack as an input, if necessary, CHANNEL 1 CHANNEL 2 since it’s wired in parallel with the other input con- GND GND nectors. You can also use the 1/4" TRS INPUT jacks as
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Owner’s Manual even notice any audible difference. We recommend that 14. Power Receptacle you leave it engaged, hence the TYPICAL label above it. This is a standard 3-prong IEC power connector. If you’re working at quiet levels all the time, or you’ve Connect the detachable linecord (included in the box already placed a compressor/limiter in the signal path, with your M-Series amplifier) to the power receptacle, or if you just hate compression, you can leave the LIM- and plug the other end
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General Precautions and Considerations Rack Mounting AC Power Considerations The M-Series amplifiers require two rack space units Be sure the amplifier is plugged into an outlet that (2 IU = 3.5"). The M•2000 requires 17.0" depth inside is able to supply the correct voltage specified for your the rack, including the rear supports. The M•3000 and model. M•4000 require 19.5" depth inside the rack, includ- If the line voltage should drop below about 97% of ing the rear supports. When designing your
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Owner’s Manual It is recommended that a stiff supply of AC power be AC Power Distribution used because the amplifier places high current demands In order to minimize ground loops, the safety grounds on the AC line. The more power that is available on the for all the outlets should be connected to a common line, the louder the amplifier will play and the more (“star”) grounding point, and the distance between the peak output power will be available for cleaner, punch- outlets and the common g
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Unbalanced TS (tip-sleeve) signals can be accom- Output Wiring modated via the combination jack. Make sure the cord terminates with a TS plug (like a guitar plug), or if it’s a Use heavy gauge, stranded wire for connecting speak- TRS plug (like a headphone plug), make sure the ring is ers to the M-Series amplifier’s SPEAKER OUTPUT tied to the shield, preferably at the source. terminals. As the distance between the amplifier and S L E E V E S L E E V E T I P the speakers increases, the thickne
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Owner’s Manual 1/4" The red posts are labeled “+,” which means positive. Bridge Mode The black posts are labeled “–” for negative. Be sure to connect the positive speaker output terminal to the Binding Posts positive connection on the speaker cabinet, and the When using the binding posts in bridge mode, connect negative speaker output terminal to the negative con- the positive side of the speaker cable to the CHANNEL nection on the speaker cabinet. 1 red (+) binding post, and connect the n
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Dual-Channel Connection The Channel 1 Speakon connector has the added feature of providing both speaker outputs on a single connector. This allows you to use a single cable to carry both channels from the amplifier to the speakers. Refer to the hookup diagram on page 7 for a typical applica- tion using the dual-channel connection. Many speakers with Speakon connectors provide an Input connector and a “Thru” connector for connecting a second speaker in parallel. You can use the Thru con- nec
