AudioSource AD3002 Manuel du propriétaire - Page 3

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AudioSource·

DIGITAL

STEREO POWER AMPLIFIER

SPEAKERS

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FRONT PANEL CONTROLS

1. Power Switch

Switches the AD3002 on or

off.

A blue LED indicates the power is "ON".

If the LED is lit

purple,

the rear panel "Power Mode Switch" is switched to

either "Auto" or

"Trigger"

and waiting for a signal. If the LED is red, the

Amplifier is in protection mode; cycle power switch to reset.

2. Speaker Selector

Selects speaker A or

For A + B speakers, push both buttons in.

REAR PANEL CONTROLS

Master Volume Controls

Provides independent adjustment of Left and Right channel maximum level.

Bass and Treble Controls

These controls can adjust bass and treble frequencies +/- 12dB at 1OOHz

and

10kHz.

lnterupting Line Input

This is the secondary input, use MAIN IN for your main input. INTERRUPTING

INPUT can be used if a second source is desired and takes over when signal

present and has at least a 10mV level. When there is no signal, or a

signal with

less

than 10mV level, the amp switches back to MAIN IN after a

a brief delay (delay can be set by the "Delay

Time"

control).

Main Input/Output

MAIN IN should be used as the

"primary"

or main input for the amplifier.

Connect your receiver or main source to this input. Use MAIN OUT to pass

MAIN IN signal to another

amplifier.

Speaker Level Input/Speaker Level Input Line Select

Can be used to connect a source with speaker level output instead of line level

outputs.

Use the Speaker Level Input Line Select to route the source to either

Main Input or Interrupt Input function.

10.

Mode Select Switch

Switches the amplifier from Stereo mode to Bridged

mode.

STEREO MODE

If you will be connecting one or two pair of speakers to the amplifier, place

the switch in the

"Stereo"

position. NOTE: For playing 2 pairs of speakers

(A plus B), make sure each speaker has an impedance of 8 ohms or

greater.

BRIDGED MODE

When set to

"Bridged"

mode, the amplifier is a single channel mono amplifier.

BRIDGED MODE· MONO APPLICATION

For bridged

mode,

playing Right and Left together as mono output, use a

Y cable adapter to connect Right and Left RCA signal to the Right (Red) input

at MAIN

IN.

Set the MODE switch to BRIDGED and follow the instructions

for bridged speaker connection in the SPEAKER TERMINALS section of

this manual.

NOTE:

The AD3002 supplies 600W in bridged

mode,

Please verify that your

speakers are capable of handling such power to avoid possible damage!

Delay Time

Allows for a 3-15 second delay to be set when switching from the Interrupting

and Main Input.

12.

Optical Input

This input uses a fiber optic cable to transmit a digital signal to the

amplifier.

Use of this input is recommended for advanced users who are familiar with

the audio source's OSD system

When using the Optical input, make

sure

the source unit the cable is plugged into

in Digital PCM (2 Channel) Mode.

Please refer to your source's operating manual when using this input.

NOTE: Optical Input will not decode 5.1 or 7.1 signals; only Digital PCM

signals.

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AD3002

OWNERS MANUAL

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LEFT

RIGHT

·12dB

+6dB

A03002

Figure 1. Front Panel

3. Balance

Fades speaker output between the Right and Left Channels

Volume Trim

This rotary encoder adjusts amplifier volume from -12dB to +6dB relative to

the Level Controls on the back panel. This rotary encoder is a digital control

and functions in parallel with the unit's remote

control.

It will freely spin continu-

ously.

Note:

each "click" felt when this control

turned will represent a 1 dB

change in volume.

13.

Power Mode Switch

Selects between Auto, Trigger, and Normal Modes

AUTO

Figure 2. Rear Panel

Turns the amplifier on when an audio signal of greater than 5mV is present

at the Main Inputs. Please note the front panel Power switch must be on in

this

mode.

With no signal

present,

amplifier will go to "Standby" mode after

7 minutes, and front panel LED will turn

purple.

12VTRIGGER

Allows the AD3002 to be powered on by other electronics or to power on

other electronics via a 3.5mm mini phone plug

cable.

Trigger can operate

with voltages between 3 and 20 Vets DC. If no trigger siganal is present,

front panel LED will turn purpleto indicate unit is

standby mode.

NORMAL

Amplifier is turned on and

off

by the front panel Power switch.

14.

Speaker B Output

Speaker output terminals for output B. Minimum impedance: 8 ohm bridged

or 4 ohm stereo.

15.

Speaker A Output

Speaker output terminals for output A. Minimum impedance: 8 ohm bridged

ohm stereo.

SPEAKER TERMINALS - STEREO MODE

For stereo output conned the speaker's positive (red) terminal to the amplifier's

positive (red) terminal, and the speaker's negative (black) terminal to the

amplifier's negative (black) terminal for each Right and Left

speaker.

SPEAKER TERMINALS

BRIDGED MODE

Place the "MODE" switch in the

"BRIDGED"

position and use both red

terminals to connect to the

speaker.

Connect the speaker's positive (red)

terminal to the amplifier's red(+) terminal noted next to the bridging mark, and

the speaker's negative (black) terminal to the amplifier's unmarked positive

(red) terminal.

NOTE:

Only one output (A or B) can be

bridged.

Do not attempt to bridge both

A and B speaker terminals! This may result in a lower impedance than the

amplifier is designed for and may damage your

amplifier.

The minimum

impedance for the total load connected in bridged mode is 8 ohms.

NOTE:

Use Class 2 wiring for speaker connections.

To wire the output connector:

Strip the insulation

off

each speaker wire to

expose 3/8" (10 mm) of bare conductor.

Unscrew the output tenminal

binding post several twists, insert each wire

into

the correct

terminal.

Tighten binding post by twisting clock-wise until it is firmly clamping the

speaker

wire.

Warning: While the amplifier does self-protect under most improper output

conditions, misconfiguration of loudspeaker mode and incorrect connection

of loudspeakers could damage connected loudspeakers and/or

amplifier.

Please refer installation to a qualified installation

professional,

and always

check state and

local

electrical codes when installing.

16.

Mains Power Inlet & Fuse Holder

Accepts IEC type line cord

A fuse located in the integrated holder provides

safety protection from fault conditions: replace fuse with one of same type

and rating only.

13970

72nd Ave Portland OR 97223. 503 914 4688

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