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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 Zero the Controls ...................................................................................................................................................................
                    
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                        Introduction HOW TO USE THIS MANUAL Thank you for choosing a Mackie HMX-56 Matrix We know that many of you can’t wait to get your  Headphone Mixer/Amplifier. This six-channel new headphone amp hooked up, and you’re probably  headphone mixer features left and right TRS main not going to read the manual first (sigh!). So the first  inputs, four TRS “source” inputs, as well as an effects section after this introduction is a Quick-Start Guide  send and stereo effects return. called “Getting Started” to
                    
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                        Owner’s Manual 3. With music going through the main mix, don the  headphones for headphone amp 1 and S-L-O-W-L-Y  Getting Started turn up the PHONES LEVEL control on the front  panel for the corresponding headphone amp. Adjust  for a comfortable listening level. READ THIS PAGE!!  Note: There is no input level control for the Main  Even if you’re one of those people  Input on the HMX-56. If the volume gets really loud,  who never reads manuals, all we ask  really fast, turn down the Main Mix leve
                    
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                        Hookup Diagrams � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ��������� ������������ �������������� ������ �� ������ � � ���� � ������ � � � � � ���������� ������� ������������ � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � �
                    
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                        Owner’s Manual � � � � � � ��������� ������������ �������������� ������ �� ������ � � ���� � ������ � � � � � ���������� ������� ������������ � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � 
                    
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                        HMX-56 Features Front Panel All six headphone amplifiers share the same features: 4. EFFECTS SEND A-D • Four sources plus L/R main input for each channel  These controls adjust the signal level being sent to  • Effects return for each channel  the EFFECTS SEND [11] jack on the rear panel for  • Individual front panel level controls  each source input. • Rear panel phone outputs for each channel  • Balanced inputs 5. L/R MIX EFFECTS SEND 1. SOURCE A-D Level Controls This adjusts the Left and Right
                    
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                        Owner’s Manual If you are connecting a mono effects return signal to  Rear Panel these inputs, use a Y-Cord splitter to connect the signal  to both inputs (otherwise you will only hear the effects  The rear panel is where you make all your analog audio  in one side of the headphones). See “Mults and Y’s” in  connections to the HMX-56. Appendix B for more info. 8. IEC Power Receptacle 13. SOURCE INPUT A-D This is a standard 3-prong IEC power connector.  These 1/4" TRS jacks accept a balanced or u
                    
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                        Appendix A: Service Information 4. Replace the fuse drawer by pushing it all the way   Warranty Service  back into the IEC socket.  5. Reconnect the linecord and turn the POWER switch   Details concerning Warranty Service are spelled out in   on. the Warranty section on page 15. If two fuses blow in a row, it will be necessary to have  If you think your HMX-56 has a problem, please do  your HMX-56 serviced. There are no user serviceable parts  everything you can to confirm it before calling for  
                    
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                        Owner’s Manual Repair Service for Mackie products is available at a factory- 6. Write the Service Request Number in BIG PRINT on  authorized service center. Service for Mackie products top of the box. Units sent to us without the Service  living outside the United States can be obtained through Request Number will be refused. local dealers or distributors. 7. Tech Support will tell you where to ship the  If your HMX-56 needs service, follow these instructions: preamplifier for repair. We suggest
                    
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                        Appendix B: Connections 1/4" TRS Phone Plugs and Jacks Unbalancing a Line “TRS” stands for Tip-Ring-Sleeve, the three connection In most studio, stage, and sound reinforcement situations,  points available on a stereo 1/4" or balanced phone there is a combination of balanced and unbalanced inputs  jack or plug. TRS jacks and plugs are used for balanced and outputs on the various pieces of equipment. This  signals and stereo headphones. usually will not be a problem in making connections. • When 
                    
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                        Owner’s Manual Appendix C: Technical Info HMX-56 Specifications Frequency Response AC Power Requirements Main Input to any Output (Level @ 12 o’clock): Power Consumption: 12 watts  U.S. and Canada: 120 VAC, 50/60 Hz   +0, –1 dB, 20 Hz to 20 kHz AC Connector: 3-pin IEC 250 VAC Distortion (THD & IMD) Physical Dimensions and Weight Any Input to Phones Output (@ 100 mW output):  Height:  2.0 in/51 mm   THD+N: < 0.07%, 20 Hz to 20 kHz BW Width:  9.4 in/239 mm  Depth:  8.5 in/216 mm  Noise Weight:  4.
                    
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                        Phones 1 R FX Send Phones 1 L FX Rtn R FX Rtn L Source D Source C Source B Source A R Main L Main HMX-56 Block Diagram Phones + Level Left - Phones 1 Main Input Out + Right - (1 of 6) Source A + Level Source A - Source B + Level Source B - Source C + Level Source C - Source D + Level Source D - + Left - Effects Return Effects Return Level + Right - L/R Mix Effects Send Effects Send Out Effects Send A Effects Send B Effects Send C Effects Send D 14 HMX-56 HMX-56                                   
                    
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                        Owner’s Manual HMX-56 Limited Warranty Please keep your sales receipt in a safe place. F. Any products returned to one of the LOUD Technologies  A. LOUD Technologies Inc. warrants all materials,  factory-authorized service centers and deemed eligible for  workmanship and proper operation of this product for a period  repair or replacement under the terms of this warranty will  of one year from the original date of purchase. If any defects  be repaired or replaced within thirty days of receipt. L
                    
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                        16220 Wood-Red Road NE • Woodinville, WA 98072 • USA United States and Canada: 800.898.3211 Europe, Asia, Central and South America: 425.487.4333 Middle East and Africa: 31.20.654.4000 Fax: 425.487.4337 • www.mackie.com E-mail: sales@mackie.com