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Mackie M800 manuel d'utilisation

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Le mot vient du latin "Instructio", à savoir organiser. Ainsi, le manuel d’utilisation Mackie M800 décrit les étapes de la procédure. Le but du manuel d’utilisation est d’instruire, de faciliter le démarrage, l'utilisation de l'équipement ou l'exécution des actions spécifiques. Le manuel d’utilisation est une collection d'informations sur l'objet/service, une indice.

Malheureusement, peu d'utilisateurs prennent le temps de lire le manuel d’utilisation, et un bon manuel permet non seulement d’apprendre à connaître un certain nombre de fonctionnalités supplémentaires du dispositif acheté, mais aussi éviter la majorité des défaillances.

Donc, ce qui devrait contenir le manuel parfait?

Tout d'abord, le manuel d’utilisation Mackie M800 devrait contenir:
- informations sur les caractéristiques techniques du dispositif Mackie M800
- nom du fabricant et année de fabrication Mackie M800
- instructions d'utilisation, de réglage et d’entretien de l'équipement Mackie M800
- signes de sécurité et attestations confirmant la conformité avec les normes pertinentes

Pourquoi nous ne lisons pas les manuels d’utilisation?

Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage Mackie M800 ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles Mackie M800 et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service Mackie en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées Mackie M800, comme c’est le cas pour la version papier.

Pourquoi lire le manuel d’utilisation?

Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif Mackie M800, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

Après un achat réussi de l’équipement/dispositif, prenez un moment pour vous familiariser avec toutes les parties du manuel d'utilisation Mackie M800. À l'heure actuelle, ils sont soigneusement préparés et traduits pour qu'ils soient non seulement compréhensibles pour les utilisateurs, mais pour qu’ils remplissent leur fonction de base de l'information et d’aide.

Table des matières du manuel d’utilisation

  • Page 1

    M•800 O WN E R ’ S MAN U AL HIGH-CURRENT POWER AMPLIFIER ™ ON OFF POWER PROFESSIONAL POWER AMPLIFIER FULL SY MMETRY DUAL DI FFERE NTIAL H IGH C URR ENT D ESI G N OL – 3 – 6 – 9 – 20 – 3 – 6 – 9 – 20 OL CH 1 28 26 24 18 20 16 22 14 12 6 0 0 1.23v (+4dBu) SENSITIVITY GAIN /dB 1.23v (+4dBu) SENSITIVITY GAIN /dB CH 2 NORM HOT SIG [...]

  • Page 2

    CAUTION AVIS RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER (OR BACK) NO USER-SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL ATTENTION: POUR EVITER LES RISQUES DE CHOC ELECTRIQUE, NE PAS ENLEVER LE COUVERCLE. AUCUN ENTRETIEN DE PIECES INTE[...]

  • Page 3

    3 Part No. 820-079-00 Rev. B 3/2000 ©2000 Mackie Designs Inc., All Rights Reserved. Printed in the U.S.A. INTRODUCTION amplifier to handle is clipping. Conventional designs use lots of negative feedback to provide stability and lower distortion. When clipping occurs, this “feedback” causes high-frequency sticking, keeping the amplifier “latc[...]

  • Page 4

    4 QUICK ST AR T 6. Determine which AMP MODE is best for your application: • STEREO mode (separate left and right inputs, separate left and right outputs) is the typical setup for amplifying ster eo signals. • MONO mode (sometimes called Dual- Mono mode — one or two inputs, two mono outputs) is for sending the same signal to two different spea[...]

  • Page 5

    5 9. In STEREO and MONO , connect speaker cables to the SPEAKER OUTPUTS , either binding post or 1/4" TS: • The binding posts are wired r ed = positive (+) and black = negative (–) • The 1/4" TS connectors ar e wired tip = positive (+) and sleeve = negative (–) 10. In BRIDGE mode, using a single speaker: • The speaker positive ([...]

  • Page 6

    6 APPLICA TION DIAGRAMS Mackie’s gang of oppr essed illustrator droids have created easy-to-understand diagrams of popular studio and live-sound setups. FEA TURE DESCRIPTIONS: Each and every knob, switch, and connector on the M•800 power amplifier is explained in depth here. Important and inter esting points are noted using these two icons: Thi[...]

  • Page 7

    7 M•80 0 : MONO OPERA TION CH 1 1 CHANNEL CH 2 SPEAKER OUTPUTS + – – + MONO BRIDGE BAL/UNBAL MONO BRIDGE OFF ON OFF ON OFF ON 120 VAC 60 Hz 1500 WATTS CONSTANT DIRECTIVITY HORN EQ /AIR EQ LOW CUT FILTER 170 Hz OFF 4.5k Hz 6k Hz 2k Hz AIR EQ 100 Hz STAGE MONITOR TYPICAL 35 Hz TYPICAL T YPICAL TYPICAL TYPICAL STEREO (MONO BRIDGE) 800 WATTS 4 OH[...]

  • Page 8

    8 M•80 0 : STEREO SYSTEM WITH CD HORNS M•80 0 : STEREO SYSTEM USING TWO AMPLIFIERS IN BRIDGED MODE CH 1 1 CHANNEL CH 2 SPEAKER OUTPUTS + – – + MONO BRIDGE BAL/UNBAL MONO BRIDGE OFF ON OFF ON OFF ON 120 VAC 60 Hz 1500 WATTS CONSTANT DIRECTIVITY HORN EQ /AIR EQ LOW CUT FILTER 170 Hz OFF 4.5k Hz 6k Hz 2k Hz AIR EQ 100 Hz STAGE MONITOR TYPICAL [...]

  • Page 9

    9 APPLICA TION DIAGRAMS M•800 IN BRIDGE MODE WITH A BASS GUIT AR PREAMPLIFIER CH 1 1 CHANNEL CH 2 SPEAKER OUTPUTS + – – + MONO BRIDGE BAL/UNBAL MONO BRIDGE OFF ON OFF ON OFF ON 120 VAC 60 Hz 1500 WATTS CONSTANT DIRECTIVITY HORN EQ /AIR EQ LOW CUT FILTER 170 Hz OFF 4.5k Hz 6k Hz 2k Hz AIR EQ 100 Hz STAGE MONITOR TYPICAL 35 Hz TYPICAL T YPICAL [...]

  • Page 10

    10 Here ar e some more examples of how you might use the GAIN controls: • When you are in a small room wher e loud volume is not requir ed, having the amp gain controls turned fully clockwise would r equire you to keep the mixer faders down exceptionally low . In this case, first set the mixer faders to unity gain, adjust the mixer’s input trim[...]

  • Page 11

    11 METERS The meters indicate the output level in decibels refer enced to the clipping point of the amplifier . The top LED is labeled OL (short for Overload). If this comes on, the amplifier will start to dis- tort, and the audio signals may “clip”. Ideally , the –20 , –9 , –6 , and –3 LEDs will light at normal signal levels, while the[...]

  • Page 12

    12 POWER CORD The M•800 is supplied with a detachable power cord. Make sure the power switch is off before firmly attaching the cord to the ampli- fier . Fit the other end into an AC outlet properly configured for the type of plug on the power cord and for the voltage rating of the amplifier . For current-delivery purposes, the M•800’ s volta[...]

  • Page 13

    13 If you’re using low imped- ance loads at high power levels, we r ecommend that you use the binding post speaker outputs rather than the 1/4" TS jacks. Al- though 1/4" jacks and plugs ar e convenient and easy to use, they are not designed to handle high-level currents. Make sure that the amplifier is off befor e making connections or [...]

  • Page 14

    14 In order to match the output bandwidth with your particular speaker system, the M•800 am- plifier has a tunable LOW CUT FIL TER. The frequencies ar e clearly marked along the knob’s travel: • Fully counterclockwise, the frequency is be- low 10Hz, effectively bypassing the filter . • Center detent is 35Hz , labeled TYPICAL, since few woof[...]

  • Page 15

    15 CONST ANT DIRECTIVITY SWITCH If you don’t have constant directivity horns, you can leave this switch OFF . Compression drivers mounted on constant- directivity horns r equir e compensation in the form of a high-frequency boost, with its “knee” set somewhere between 2kHz and 6kHz. Until now , you’d have to r esort to external crossovers o[...]

  • Page 16

    16 AMP MODE This three-way switch determines what kind of amplifier you want the M•800 to be (or not to be — what was the question?) The switch alters the input signal routing within the amplifier . Shipped from the factory , it is set to STEREO , correct for about 90% of appli- cations (hence the TYPICAL indicator near it). The switch should o[...]

  • Page 17

    17 LIMITER LIMITER ON (TYPICAL) . This is the normal configuration with protective limiting. LIMITER OFF is without protective limiting. The limiter is not designed to alter your sound — it’s just ther e to protect your speakers from the effects of clipping. Its effect is virtually transparent, meaning you probably won’t even notice any audib[...]

  • Page 18

    18 GENERAL PRECAUTIONS W ARNING: Bypassing the plug’s ground pin can be dan- gerous. NEVER do it! The AC current demand of an amplifier var - ies depending on several factors, including the crest factor and the duty cycle of the program material. Under typical conditions r eproducing rock music wher e musical peaks are just below clipping, the M?[...]

  • Page 19

    19 AC Power Distribution The majority of AC outlets encountered in homes and clubs are served by a 240V AC center-tapped service en- trance transformer . This provides two phases of AC power on either side of the center tap at 120V each. In order to minimize ground loops, the safety grounds for all the outlets should be connected to a common (“st[...]

  • Page 20

    20 • T urn the POWER off, check the speaker connections and make sur e that there ar e no strands of wire shorting across the speaker terminals. • Is the HOT LED lit? Make sur e there is cool air available at the front of the amplifier . Make sure there is room at the sides of the amplifier for warm air to exit. Allow the amplifier to cool off.[...]

  • Page 21

    21 As soon as the music gets loud, the amp shuts down! • Check the M•800’s meters. Be sure that OL is not lighting up frequently or continuously . • Can the amp breathe? The M•800 amps draw their ventilation air in from the front and out through the side panels. They need plenty of fresh air to stay cool. Do not block the ventilation port[...]

  • Page 22

    22 APPENDIX B: T echnical Information For example, four 8-ohm speakers, con- nected in parallel, will equal a 2 ohm load (8 / 4 = 2). If the parallel loads aren’t all the same, things gets a little more complicated, but noth- ing that you can’t do with a simple calculator . Th e total impedance ( Z T ) is given by the following formula, wher e [...]

  • Page 23

    23 M•800 SPECIFICA TIONS Maximum Power: 175 watts per channel into 8 ohms 275 watts per channel into 4 ohms 400 watts per channel into 2 ohms 550 watts into 8 ohms bridged 800 watts into 4 ohms bridged Note: Power ratings are specified at 120VAC line voltages. The M•800 power amplifier draws large amounts of cur- rent from the AC line with cont[...]

  • Page 24

    24 19.00" (48.3cm) 17.25" (43.8cm) 15.25" (38.7cm) 3.50" (8.9cm) 2U 16.25" (41.3cm) M•800 WEIGHT 28 lbs. 12.7 kg) 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: 55 watts a[...]

  • Page 25

    25 M•800 BLOCK DIAGRAM CH 1 BALANCED LINE INPUT (TRS) CH 1 BALANCED LINE INPUT (XLR-F) LIMITER LIMITER ON OFF ON OFF LIMITER SWITCH LIMITER DETECTION LIMITER DETECTION ON OFF LOW CUT FIL TER FREQ CD EQ FREQ ON OFF LOW CUT FIL TER FREQ CD EQ FREQ CH 1 GAIN STEREO MONO BRIDGE STEREO MONO BRIDGE STEREO MONO BRIDGE CH 2 GAIN INVERTING UNITY GAIN AMPL[...]

  • Page 26

    26 APPENDIX C: Bi-amping and T ri-amping CH 1 OUT CH 2 OUT CH 1 IN CH 2 IN + – + – FR SERIES POWER AMPLIFIER (STEREO MODE) HIGH FREQUENCIES T O TWEETER LOW FREQUENCIES T O WOOFER TWO-WA Y SPEAKER CABINET HIGH-LEVEL P ASSIVE CROSSOVER HIGH FREQUENCIES T O TWEETER LOW FREQUENCIES T O WOOFER TWO-WA Y SPEAKER CABINET HIGH-LEVEL P ASSIVE CROSSOVER F[...]

  • Page 27

    27 A. Mackie warrants all materials, workmanship and proper operation of this FR Series product for a period of three years from the original date of purchase. If you complete the optional question- naire portion of the Product Registration Card, the warranty will be extended for an additional two years . If any defects are found in the materials o[...]