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Part No. 0016044 Rev. A 07/05
©2005 LOUD Technologies Inc. All Rights Reserved.

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.

Table of Contents

Introduction .................................................................................................................................4
Getting Started ...........................................................................................................................5

Hookup Diagrams .......................................................................................................................6
HM-54 Features ...........................................................................................................................8

Front Panel ...............................................................................................................................................................................8

Rear Panel ................................................................................................................................................................................9

Appendix A: Service Information .........................................................................................10

Appendix B: Connections ........................................................................................................12
Appendix C: Technical Info .....................................................................................................13

HM-54 Speciﬁcations ...........................................................................................................................................................13
HM-54 Block Diagram ..........................................................................................................................................................14

HM-54 Limited Warranty ........................................................................................................15

Содержание HM-54

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Страница 2: ...ed hearing loss but nearly everyone will lose some hearing if exposed to sufﬁciently intense noise for a period of time The U S Government s Occupational Safety and Health Administration OSHA has speciﬁed the permissible noise level exposures shown in the following chart According to OSHA any exposure in excess of these permissible limits could result in some hearing loss To ensure against potenti...

Страница 3: ...nnections 5 SettheLevels 5 HookupDiagrams 6 HM 54Features 8 FrontPanel 8 1 MAININPUTLEVEL 8 2 PHONESJack 8 3 SOURCESelectSwitch 8 4 LEVELControl 8 5 PowerSwitch 8 RearPanel 9 6 IECPowerReceptacle 9 7 LEFTandRIGHTPHONESINPUT 9 8 PHONESOUTPUT 9 9 LEFTandRIGHTMAININPUT 9 10 MAINPHONESINPUT 9 AppendixA ServiceInformation 10 WarrantyService 10 Troubleshooting 10 Repair 11 AppendixB Connections 12 Appen...

Страница 4: ...ight away Right after that are the ever popular hook up diagrams that show typical setups for live sound and recording Then when you have time read the Features Description section This describes every knob button and connection point on the HM 54 Throughout this section you ll ﬁnd illustrations with each feature numbered If you want to know more about a feature simply locate it on the appropriate...

Страница 5: ...s for headphone amp 1 and S L O W L Y turn up the LEVEL control on the front panel for the corresponding headphone amp Adjust for a comfortable listening level Note If the volume gets really loud really fast turn down the MAIN INPUT LEVEL control until you can turn up the headphone amp LEVEL control at least halfway Conversely if you have to turn the headphone amp LEVEL control all the way up turn...

Страница 6: ...studio preamp in a recording application The microphones and instruments are connected to the 400F and tracked to the DAW via the FireWire connection Separate stereo headphone mixes are returned from the DAW over the FireWire connection using the DAW s stereo auxes and connected to the Phones Inputs on the HM 54 via the eight analog outputs on the 400F ...

Страница 7: ...o headphone mixes to the HM 54 The Phones output from the 1640 is connected to the Main Phones Input on the HM 54 allowing the talent to listen to either the same mix as the engineer in the control room i e stereo return from the DAW for overdubbing or to their own individual headphone mix tracking If the talent and engineer are in the same room each musician can adjust their own headphone mix on ...

Страница 8: ...l from the rear panel PHONES jack WARNING The headphone amps are designed to drive any standard headphones to a very loud level We re not kidding They can cause permanent hearing damage Even intermediate levels may be painfully loud with some headphones BE CAREFUL Always start with the PHONES level turned all the way down before connecting headphones to the PHONES jack Keep it down until you ve pu...

Страница 9: ...hard wiring the headphone outputs to a patch panel in the rack Note Plugging headphones into the front panel PHONES jack automatically disconnects the signal from the rear panel PHONES jack 9 LEFTandRIGHTMAININPUT These 1 4 TRS jacks accept a balanced or unbalanced line level input signal This is the signal that you select when you leave the SOURCE select switch 3 on the front panel in the out pos...

Страница 10: ...nel Is the input LEVEL control 4 for the channel turned up Is the signal source turned up Make sure the signal level from the selected input source is high enough to drive the line level inputs on the HM 54 Try the same source signal in another channel set up exactly like the suspect channel Bad Output If you are listening to a PHONES OUTPUT 8 on the rear panel make sure that nothing is plugged in...

Страница 11: ...ory packaging 5 Include a legible note stating your name shipping address no P O boxes daytime phone number Service Request Number and a detailed description of the problem including how we can duplicate it 6 Write the Service Request Number in BIG PRINT on top of the box Units sent to us without the Service Request Number will be refused 7 Tech Support will tell you where to ship the preampliﬁer ...

Страница 12: ... ground earth connection from the balanced input ground earth connection leaving the unbalanced ground connected to the balanced input low cold connection only In some cases you may have to make up special adapters to interconnect your equipment For example you may need a balanced XLR female connected to an unbalanced 1 4 TS phone plug Many common adapters can be found at your local electronics su...

Страница 13: ...hnical Info HM 54 Speciﬁcations Frequency Response Main Input to any Output Level 12 o clock 0 1 dB 20 Hz to 20 kHz Distortion THD IMD Main Input to any Output 4 dBu output THD N 0 01 20 Hz to 20 kHz BW 1 kHz input 4 dBu Level 12 o clock Noise Residual Output Noise 103 dBu all outputs off 600Ω load 97 dBu all outputs 12 o clock 600Ω load Input Sensitivity 0 dBu 1 5 mW 600Ω Level 12 o clock Input G...

Страница 14: ...CT MAIN Main Input Level Phones 1 Front Phones Level Phones 1 Rear Left Right Phones 2 Input DIRECT MAIN Phones 2 Front Phones Level Phones 2 Rear Left Right Phones 3 Input DIRECT MAIN Phones 3 Front Phones Level Phones 3 Rear Left Right Phones 4 Input DIRECT MAIN Phones 4 Front Phones Level Phones 4 Rear ...

Страница 15: ... of the LOUD Technologies factory authorized service centers and deemed eligible for repair or replacement under the terms of this warranty will be repaired or replaced within thirty days of receipt LOUD Technologies and its authorized service centers may use refurbished parts for repair or replacement of any product Products returned to LOUD Technologies that do not meet the terms of this Warrant...

Страница 16: ... 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 ...

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