Manuale d’uso / di manutenzione del prodotto MA6900 del fabbricante McIntosh
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McIntosh Laboratory , Inc. 2 Chambers S treet Binghamton, New Y ork 13903-2699 Phone: 607-723-3512 F A X: 6 07 -7 24- 05 49 Owner s Manual MA6900 MA6900 Integrated Amplifier.
2 IMPOR T ANT SAFETY INSTRUCTIONS! PLEASE READ THEM BEFORE OPERA TING THIS EQUIPMENT . W ARNING - TO REDUCE RISK OF FIRE OR ELECTRICAL SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE.
3 A polarized plug has two blades with one wider than the other . A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety . If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
4 Performance Features Introduction and Performance Features Introduction · Power Output The MA6900 consists of two separate power amplifier channels, each capable of 200 watts into 2, 4 or 8 ohm speakers with less than 0.
5 MA6900 Dimensions The following dimensions can assist in determining the best location for your MA6900. There is additional infor- mation on the next page pertaining to installing the MA6900 into cabinets. MA6900 Dimensions 17- 1/2 " 44.45cm 7 - 5/8 " 19.
6 Inst allation The MA6900 can be placed upright on a table or shelf, standing on its four feet. It also can be custom installed in a piece of furniture or cabinet of your choice. The four feet may be removed from the bottom of the MA6900 when it is custom installed as outlined below .
7 MA6900 Rear Panel Connections and Switch Main Fuse holder , refer to information on the back panel of your MA6900 to determine the cor- rect fuse size and rating Right OUTPUT Connections for 2, 4 or.
8 How to Connect Loudspeakers Caution: The supplied AC Power Cord should not be connected to the Rear Panel of the MA6900 Amplifier until after the Loudspeaker Connections have been made.
9 How to Connect Audio Components 1. Connect an Audio Cable from the McIntosh CD Player Audio Outputs to the MA6900 CD2 INPUTS. 2. Connect an Audio Cable from a McIntosh T uner 1 Out- puts to the MA6900 TUNER INPUTS. 3. Connect an Audio Cable from a Turntable to the PH / AUX INPUTS and the T urntable Ground Connec- tion to the GND grounding post.
10 How to Connect for Video Switching How to Connect for V ideo Switching 1. Connect a Data cable from the MA6900 VIDEO DA T A POR T to the Audio/V ideo Selector Data In jack. 2. Connect the Audio/V ideo Selector Control Center Au- dio Outputs to the MA6900 VIDEO INPUTS.
11 How to Connect for a Second Room How to Connect for a Second Room 1. Connect Audio Cables from the MA6900 OUTPUTS 2 to the Second Power Amplifier Inputs. 2. Connect Hookup Cables from the Second Power Am- plifier to the loudspeakers. Refer to page 8 in this Owner s Manual for connection details.
12 Front Panel Controls, Push-Buttons and Switch POWER switch turns all AC power completely ON or OFF MONO push-button combines the left and right channel signals for Mono operation VOLUME control all.
13 How to Operate How to Operate Power On Press the POWER switch to ON. The Red LED above the ST ANDBY/ON push-button, lights to indicate the MA6900 is in S tandby mode. T o turn On the MA6900, press the ST ANDBY/ON push-button. The MUTE LED will light for approxi- mately two seconds after turn on.
14 How to Operate, cont Outputs 1 and 2 Press OUTPUTS Push-button 1 to switch the Speakers On or Off. The push-buttons also switch the Preamplifier OUTPUTS 1 and 2 On or Off for connection to external Power Amplifier(s). Press either push-button individually , or both together .
15 Notes.
16 Remote Control Push-Buttons Selects one of the twelve High Level Audio/V ideo Sources or Phono Input T urns AC Power ON or OFF to certain McIntosh Components when connected via the Data Port Adjust.
17 How to Operate by Remote Control The supplied remote control is capable of directly control- ling the functions of contemporary McIntosh Source Com- ponents connected to the MA6900.
18 T echnical Description McIntosh Laboratory , the company who introduced the world s first amplifier that could be called High Fidelity, has done it again. The McIntosh engineering staff has cre- ated a power amplifier without compromise, using the most advanced McIntosh circuit design concepts.
19 T echnical Description magnetic field. The force of the field causes the leads to bend and contact one another inside the sealed glass tube. The inert gas eliminates corrosion of the contacts and in- sures a low resistance, distortion free switch. All inputs, outputs, and data ports are controlled by logic circuits in the MA6900.
20 Input T est Signal Figure 14 W ithout Power Guard Figure 15 T op Inside V iew of the MA6900 Figure 12 Figure 13 ance points of two ohms, four ohms and eight ohms. The unequaled expertise of McIntosh in the design and manu- facturing of autoformers is legendary in the high fidelity industry .
21 Figure 16 W ith Power Guard PG light and a dynamic elec- tronic attenuator at the amplifier input reduces the input volume just enough to prevent any fur- ther increase in distortion. The Power Guard circuit acts so fast that there are absolutely no au- dible side effects and the sonic purity of the music reproduction is perfectly preserved.
22 Specifications Specifications Power Output Minimum sine wave continuous average power output per channel, all channels operating is: 200 watts into 2 ohm load 200 watts into 4 ohm load 200 watts in.
23 Packing Instructions Packing Instructions In the event it is necessary to repack the equipment for shipment, the equipment must be packed exactly as shown below . It is very important that the four plastic feet are at- tached to the bottom of the equipment.
McIntosh Part No. 040772 McIntosh Laboratory , Inc. 2 Chambers Street Binghamton, NY 13903.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il McIntosh MA6900 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del McIntosh MA6900 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso McIntosh MA6900 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul McIntosh MA6900 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il McIntosh MA6900, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del McIntosh MA6900.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il McIntosh MA6900. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo McIntosh MA6900 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
