Instruction/ maintenance manual of the product HM-54 Mackie
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2 HM-54 HM-54 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water . 6. Clean only with dry cloth. 7. Do not block any ventilation openings. Install in accordance with the manufacturer’ s instructions.
Part No. 0016044 Rev . A 07/05 ©2005 LOUD T echnologies Inc. All Rights Reserved. 3 Owner’ s Manual Owner’ s Manual Don’t forget to visit our website at www .mackie.com for more information about this and other Mackie products. T able of Contents I nt r od u ct i o n .
4 HM-54 HM-54 Introduction Thank you for choosing a Mackie HM-54 Four -Channel Headphone Amplifier . This 1U rackmount unit features left and right TRS main inputs, as well as left and right TRS “direct inputs” on each of the four channels.
5 Owner’ s Manual Owner’ s Manual Getting Started READ THIS P AGE!! Even if you’re one of those people who never reads manuals, all we ask is that you read this page now befor e you begin using the HM-54. Y ou’ll be glad you did! Zero the Controls 1.
6 HM-54 HM-54 Hookup Diagrams HM-54 Live Sound Application HM-54 Recording Application with Onyx 400F .
7 Owner’ s Manual Owner’ s Manual HM-54 Recording Application with Onyx 1640 .
8 HM-54 HM-54 ON MAIN DIRECT SOURCE MAIN INPUT LEVEL PHONES O O MAX O O MAX O O MAX O O MAX O O MAX LEVEL MAIN DIRECT SOURCE PHONES LEVEL MAIN DIRECT SOURCE PHONES LEVEL MAIN DIRECT SOURCE PHONES LEVE.
9 Owner’ s Manual Owner’ s Manual Rear Panel The rear panel is wher e you make all your analog audio connections to the HM-54 (except for the convenient additional headphone jacks on the front). 6 . IE C P o w e r R e c e pt a c l e This is a standard 3-prong IEC power connector .
10 HM-54 HM-54 Appendix A: Ser vice Information W arranty Ser vice Details concerning W arranty Service are spelled out in the W arranty section on page 15. If you think your HM-54 has a problem, please do everything you can to confirm it before calling for service.
11 Owner’ s Manual Owner’ s Manual Repair Service for Mackie products is available at a factory- authorized service center . Service for Mackie products living outside the United States can be obtained through local dealers or distributors. If your HM-54 needs service, follow these instructions: 1.
12 HM-54 HM-54 Appendix B: Connections Unbalancing a Line In most studio, stage, and sound reinforcement situations, there is a combination of balanced and unbalanced inputs and outputs on the various pieces of equipment. This usually will not be a problem in making connections.
13 Owner’ s Manual Owner’ s Manual A C Po wer Requirements Power Consumption: 12 watts U.S. and Canada: 120 V AC, 50/60 Hz AC Connector: 3-pin IEC 250 V AC Physical Dimensions and W eight Height: 1.75 in/44 mm W idth: 17.0 in/432 mm (main body of unit) 19.
14 HM-54 HM-54 HM-54 Block Diagram Left + - Left Main Line Input + - Right Phones Input + - Right Phones 1 Input + - DIRECT MAIN Main Input Level Phones 1 Front Phones Level Phones 1 Rear Left + - Rig.
15 Owner’ s Manual Owner’ s Manual HM-54 Limited W arranty A. LOUD T echnologies Inc. warrants all materials, workmanship and proper operation of this product for a period of one year from the original date of purchase.
16220 W ood-Red Road NE • Woodinville, W A 98072 • USA United States and Canada: 800.898.3211 Europe, Asia, Central and S outh America: 425.487 .4333 Middle East and Africa: 31.20.654.4000 F ax: 425.487 .4337 • www .mackie.com E -mail: sales@mackie.
An important point after buying a device Mackie HM-54 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Mackie HM-54 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Mackie HM-54 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Mackie HM-54 you will learn all the available features of the product, as well as information on its operation. The information that you get Mackie HM-54 will certainly help you make a decision on the purchase.
If you already are a holder of Mackie HM-54, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Mackie HM-54.
However, one of the most important roles played by the user manual is to help in solving problems with Mackie HM-54. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Mackie HM-54 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
