McIntosh MA8000 Manuel du propriétaire télécharger pdf (Page 4)

the illumination of the Power Output Meters on Mc-

Intosh Power Amplifiers. A 3.5mm stereo mini phone

plug is used for connection to the Power Control, Trig-

ger and Passthru Outputs.

Data Port Connectors

The Data Out Ports send Remote

Control Signals to Source Compo-

nents. A 3.5mm stereo mini phone

plug is used for connection.

IR IN Port Connectors

The IR IN Port also uses a 3.5mm

stereo mini phone plug and allows the

connection of other brand IR Receiv-

ers to the MA8000.

RS232-C Data Port Cable

The RS232 Data Cable is a 3.5mm stereo mini phone

plug to a sub miniature DB 9 connector:

McIntosh Plug-In Jumper Connector

The MA8000 utilizes a phono style Plug-In Jumper to

connect the Preamplifier Output to the

Power Amplifier Input, one Jumper for

each channel.

Note: The Jumper Connector is available

from the McIntosh Parts Department:

McIntosh Jumper Connector Part No. 11808000

XLR Connectors

Below is the Pin configuration for the XLR Balanced

Input and Output Connectors on the MA8000. Refer

to the diagrams for connections:

PIN 1: Shield/Ground

PIN 2: + Output

PIN 3: - Output

Power Control and Trigger Connectors

The Power Control Trigger Output

Jacks send and Passthru Input Jack

receives Power On/Off Signals (+12

volt/0 volt) when connected to other

McIntosh Components. An addi-

tional connection is for controlling

1. For additional connection information, refer to the

owner’s manual(s) for any component(s) connected

to the MA8000.

2. Apply AC Power to the MA8000 and other McIn-

tosh Component(s) only after all the system compo-

nents are connected together. Failure to do so may

cause a malfunction of system operations as the

Microprocessor’s Circuitry inside the components

is active when AC Power is applied.

3. The MA8000 includes an Auto Off Power Save

Feature and the default setting is enabled. For

additional information including how to disable it,

refer to page 22.

4. When Power Amplifier Protection Circuitry of

the MA8000 has activated, the Front Panel Power

Guard LEDs are illuminated continuously and the

sound will be muted.

5. When the Power Transformer has overheated due

to improper ventilation and/or high ambient operat-

ing temperature, AC Power is removed from the

MA8000. Normal operation will resume when the

operating temperature is in a safe range again.

6. For the best performance and safety, it is important

to always match the impedance of the Loudspeaker

to the Power Amplifier connections. Refer to pages

11 thru 13.

Note: The impedance of a Loudspeaker actually var-

ies as the Loudspeaker reproduces different

frequencies. As a result, the nominal impedance

rating of the Loudspeaker (usually measured at

a midrange frequency) might not always agree

with the impedance of the Loudspeaker at low

frequencies where the greatest amount of power

is required. Contact the Loudspeaker Manufac-

turer for additional information about the actual

impedance of the Loudspeaker before connecting

it to the McIntosh MA8000.

7. The MA8000 Remote Control is capable of operat-

ing other components. For additional information

go to www.mcintoshlabs.com.

8. The IR Input, with a 1/8inch mini phone jack, is

configured for non-McIntosh IR sensors such as

a Xantech Model HL85BK Kit. Use a Connection

Block such as a Xantech Model ZC21 when two

or more IR sensors need to be connected to the

MA8000. The signal from a connected External

IR Sensor will have priority over the signal from

the Front Panel IR Sensor.

9. When discarding the unit, comply with local rules

or regulations. Batteries should never be

thrown away or incinerated but disposed

of in accordance with the local regula-

tions concerning battery disposal.

10. For additional information on the

MA8000 and other McIntosh Products please visit

the McIntosh Web Site at www.mcintoshlabs.com.

Connector and Cable Information

Data

Signal

N/C

Data

Ground

General Information

Power

Control

Meter

Illumination

Control

Ground

Main, Trig 1&2

and Pass-Thru

IR Data

Control

Ground

N/C

General Information, Connector and Cable Information

PIN 1

PIN 6

PIN 5

PIN 9

Data In

(DB9-pin2)

Ground

(DB9-pin5)

Data Out

(DB9-pin3)

DB9

(male connector)

PIN 2 PIN 1

PIN 3

PIN 1

PIN 2

PIN 3

1 2 3 4 5 6 7 8 9 ... 43 44

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McIntosh MA8000 Manuel du propriétaire Page 4

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