AudioSource AD3002 Owner's Manual

D

AudioSource

·

AD3002

Digital Stereo Power Amplifier

FEATURES:

MAIN

I

INTERRUPT priority input switching

Auxiliary line output

Speaker AlB

Front panel Level and Balance Trim controls

Independent rear mounted Main Level controls
High Level inputs
Digital Optical line input (PCM 2 Channel Decoding)
Multi-function IR remote control
Signal

Rear mounted treble and
Rack mountable (rack ears included)

switching

sensing

"Power On"

bass

and Trigger mode

controls

Congratulations on
Please take a few moments to read this entire manual, and be sure
retain this document for future reference. Please read and observe all
safety instructions detailed on page

NOTE:

If

dealer

Please read your warranty
for possible future use.

For
accessories please visit www.audiosource.net

any part

or

AudioSource® directly

more information about AudioSource® electronics, speakers and

your

of

this product

purchase

and

of

the

AudioSource®

2.

is

damaged

at

retain your receipt and original carton

or

1.877. 715.5439

missing, please call your

or

503.914.4688.

AD3002.

to

SPECIFICATIONS

Stereo

(8

ohm) :

Stereo

(4

ohm):

Bridged Mono (8 ohm):
Frequency Response:

Signal

to Noise Ratio:

Channel

Input

Bass/Treble Control:
AC Power

Net Weight: Bibs
Gross Weight:

Separation:

Sensitivity:

Consumption: 750W

AudioSource®
13970
Portland,
503
www.audiosource.net

150W

per

channel, <0.2%
275W per
600W,
20Hz-

1

OOdBr

@ 8 ohms w/20kHz Lowpass
60dB @ 1kHz, referred to 150W

into 8 ohms

Variable , 350mV to 2.8V for rated
power into 8 ohms

+!-

111bs

SW

72nd Ave

OR

.914.4688

channel, <0.2%

1kHz,

<0.2%

20kHz
referenced to .2% THD+N

12dB@

97223

maximum

I

3.6kgs

I

5.0kgs

100Hz and

THD+N

THD+N
THD+N

10kHz

filter

output

10

.0"

(252mm)

16.7"

(425mm)

AD3002

Owner's Manual 50116

AD3002

OWNER'S MANUAL

CAUTION

RISK OF ELECTRICAL SHOCK

DO NOT OPEN

CAUTION:

TO

REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE THE COVER. NO

USER SERVICABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL!

The exclamation point within an equilateral triangle is intended to alert the user

operating and maintenance (servicing) instructions in the literature accompanying the appliance.
EXPLANATION
SAFETY SYMBOLS

IMPORTANT SAFETY INSTRUCTIONS

• WARNING:

• WARNING:

• WARNING:

• WARNING: ONLY USE

1. Read these instructions.

2. Keep these instructions.

3. Heed

4.

5.

6. Clean only with dry cloth.

7.

8.

9.

10. Protect the power cord from being walked on

11.

12. Use

all warnings.
Follow all instructions.
Do

not

use this apparatus near wate

Do not block any ventilation openings. The ventilation should not be impeded
by

covering the ventilation openings with items such as newspaper, table-

cloths, curtains etc.

Do

not

install near heat sources such as radiators, heat registers, stoves,

or

other apparatus (including amplifiers) that produce heat. No open flame
sources, such as lighted candles, should be placed on the apparatus.
Do

not

defeat the safety purpose
A polarized plug has two blades with one wider than the othe
type plug has two blades and a third grounding prong. The wide blade or
third prong is provided

your

outlet, consult an electrician for replacement

plugs, convenience

Only

use

only with th e cart, stand, tripod, bracket,
table specified
the apparatus.
caution when moving
combination

MA

GNETIC FIELD: !!CAUTION!! Do
this amplifier has a high power density, it
strongest
or

just

other sensitive equipment

OF

The lightning flash with
presence
to

TO

PREVENT FIRE
BE EXPOSED
ON APPARATUS.
TO

PREVENT

UNLESS

THE MAINS

attachments/accessories specified

to

THE

ATTACHMENTS

Install in accordance with the manufacturer's instructions.

for

receptacles, and

by

the manufacturer,

When

a cart
the

avoid injury from tip-over.

above and below the unit.

OR

DRIPPING

IS USED

r.

of

the polarized

at

or

rack is used,

at

the top .

SHOCK

SHOCK

AS

OR

the point

or

sold with

not

locate sensitive high-gain equi pment such as preamplifiers

has

If

TO

FIRE OF

BLADES CAN BE FULLY INSERTED TO PREVENT BLADE EXPOSURE.

PLUG

your safety. If the provided plug does not fit into

cart/apparatus

of

uninsulated "dangerous voltage" within the products' enclosure that may be

constitute a risk

HAZARD,

OR

SPLASHING

HAZARD,

DISCONNECT DEVICE. THE DISCONNECT DEVICE SHALL REMAIN READILY AVAILABLE.
ACCESSORIES SPECIFIED

or

grounding type plug.

of

the

or

pinched particularly

of

exit from the apparatus.

by

the

manufacturer

or

use

a strong magnetic field, which can induce hum into unshielded devices that are located nearby.

an

equipment rack is used, we recommend locating

of

electric shock to persons.

DO

NOT EXPOSE THIS APPLIANCE
AND

DO

NOT

r.

A grounding

obsolete outlet.

of

the presence

the

arrowhead symbol within

THAT OBJECTS FILLED WITH LIQUIDS, SUCH

USE THIS PLUG WITH AN EXTENSION CORD, RECEPTACLE

OR

PROVIDED BY

13. Unplug the apparatus during lightning storms or when unused for long periods
of

time.

14. Refer
apparatus
plug

apparatus has been exposed to rain

or

has been dropped.

WARNING:

15.

apparatus to rain
or

splashing and that objects filled with liquids, such

placed

WARNING

16.
the disconnect device

17.1[51 This equipment is a Class

1.!::::::!.1

is designed in such a

to electrical earth.

at

the

.

an

equilateral triangle is intended

TO

RAIN

OR

MOISTURE. THE APPARATUS SHALL NOT

AS

VASES,

SHALL

THE

MANUFACTURER.

all servicing

is

damaged,

on

apparatus.

to

has

To

: The mains plug/appliance coupler is used as disconnect device,

qualified personnel. Servicing is required

been

damaged

liquid

reduce the risk

or

moisture. The apparatus shall not

shall remain readily opera

has

way

in

any

way,

been

of

II

or

that

fire

such

spilled

or

or

double insulated electrical appliance. It
it

objects

moisture, does not operate normally,

or

electric shock,

does

not require a safety connection

18.

- This lightning flash with arrowhead symbol within

intended to alert the user to the presence

within the product's enclosure that may be

of

electric shock.

a risk

-Warning: to reduce the risk

there are

- The exclamation point within an equilateral triangle is intended to alert the user
to
literature accompanying the appliance.

the

presence

no

user-serviceable parts inside. Refer servicing to qualified personnel.

of

the

amplifier(s) in the bottom

of

electric shoc

important operating and maintenance instructions in

or

tape de

cks

of

non-insulated "dangerous voltage"

of

sufficient magnitude to constitute

k,

do not remove cover (or back) as

directly above

of

the rack and the preamplifier

of

important

to

alert the

of

sufficient magnitude

OR

as

bl

e.

an

or

below the unit. Because

user

NOT BE PLACED

OTHER OUTLET

power

supply

have

fallen into

do

not

be

as

equilateral triangle

expose this

exposed

vases, shall not

The

to the

when

cord

to

dripping

the

or

the

be

is

the

field is

• Audio

Source

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DIGITAL
STEREO

POWER

AMPLIFIER

0

00

Q SPEAKERS Q

0 0

•

FRONT PANEL CONTROLS

1.

Power Switch

Switches

If
either "Auto"
Amplifier is in protection mode; cycle power switch to reset.

2.

Speaker Selector

Selects speaker A

the

AD3002

the LED is lit purple, the

on

or

"Trigger"

or

B. For A + B speakers, push both buttons in.

or

off. A blue

rear

panel "

and

waiting

LED

indicates

Power

Mode

for a signal.

the

power

LED

is

red,

is "ON".

Switch" is switched

If

the

to

the

OWNERS

...

. .

0

LEFT RIGHT

3.

Balance

Fades speaker output between the Right and Left Channels

4. Volume Trim

This rotary encoder adjusts amplifier volume from -12dB to +6dB relative
the Level Controls
and functions

Note: each "click" felt when this control is turned will represent a 1

ously.
change in volume.

on

the back panel.

in

parallel with the unit's remote control. It will freely spin continu-

This

rotary encoder is a digital control

MANUAL

...

. .

0

·12dB +6dB

Figure

1.

Front

AD3002

A03002

Panel

to

dB

0

REAR PANEL CONTROLS

5.

Master Volume Controls

Provides independent adjustment

Bass

and

Treble

6.
These

controls can adjust

and

10kHz

7. lnterupting Line Input

This is the secondary input, use MAIN

can be used

INPUT

present

is
signal with less than 10mV level, the
a brief delay (delay can be set by the "Delay Time" control).

8. Main

Input/Output

MAIN

IN
Connect your receiver
MAIN IN signal to another amplifier.

9. Speaker Level Input/Speaker Level Input Line Select

Can be used to connect a source with speaker level output instead
outputs. Use the Speaker Level Input Line Select to route the source to either
Main Input

Mode Select Switch

10.
Switches the amplifier from Stereo mode to Bridged mode.

STEREO MODE
If you will be connecting one
the switch

plus B), make sure each speaker has an impedance

(A

BRIDGED MODE

When set to "Bridged" mode, the amplifier is a single channel mono amplifier.

BRIDGED
For bridged mode, playing Right and Left together as

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

MAIN IN. Set the MODE switch to BRIDGED

at

for bridged

this manual.

NOTE:

speakers

11

. Delay Time

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

Optical

12.

Input

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

of

this input is recommended
the audio source's
the source unit the cable is plugged into is in
Please

refer

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

Controls

.

if

and

should

or

in

The

are

a second source is desired and takes over when signal

has

at

least a 10mV

be

used

or

Interrupt Input function.

the "Stereo" position. NOTE: For playing 2 pairs

MODE·

MONO

speaker

connection in the

AD3002 supplies 600W

capable

of

handling

OSD

system. When

to

your

source's

of

Left and Right channel maximum level.

bass

and treble frequencies +/-

IN

for your main input. INTERRUPTING

level.

When

there

amp

switches back to MAIN IN after a

as

the

"primary"

main source to this input. Use MAIN

or

two pair

APPLICATION

such

for

operating

or

main

of

speakers to the amplifier, place

SPEAKER

in

bridged

mode, Please

power

to

avoid

advanced users

using the Optical input,

Digital

manual

is

input

for

of

8 ohms

mono

and follow the instructions

TERMINALS

verify that your

possible

damage!

who

are familiar with

PCM

(2

Channel)

when

using

12dB

no

the
OUT

of

output, use a

at

1OOHz

signal,

amplifier.

to pass

of

line level

speakers

or

greater.

section

make

this

or

a

of

sure
Mode.
input.

Power Mode Switch

13.
Selects between Auto, Trigger, and Normal Modes

AUTO

Turns the amplifier on when an audio signal
at the Main

this mode . With no signal present, amplifier will go to "Standby" mode after
7 minutes, and front

12VTRIGGER

Allows the AD3002 to be powered on by other electronics
other

with voltages between 3 and

front

NORMAL

Amplifier is turned on and off by the front panel Power switch.

14. Speaker B

Speaker output terminals for output
or

4 ohm stereo.

Speaker A

15.
Speaker output terminals for output A. Minimum impedance: 8
or

4 ohm stereo.

SPEAKER TERMINALS -STEREO MODE
For stereo
positive
amplifier's negative (black) terminal for each Right and Left speaker .

SPEAKER
Place
terminals
terminal to the amplifier's
the speaker's negative
(red)
NOTE: Only

A and B speaker

amplifier
impedance for the total load connected in bridged mode is 8 ohms.
NOTE: Use Class 2 wiring
To

wire the output connector: 1. Strip the insulation off each speaker wire to

expose
binding post several twists, insert each wire into the correct

3. Tighten binding
speaker wire.

Warning:

conditions, misconfiguration

of

loudspeakers
Please
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
and rating

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

panel LED will turn purple.

electronics via a

panel LED will turn purpleto indicate unit is in standby mode.

Output

3.5mm mini phone
20

Vets DC. If no trigger siganal is present,

B.

Minimum impedance: 8 ohm bridged

Output

conned

output

(red)

terminal,

TERMINALS - BRIDGED MODE

the

"MODE"

to

connect

terminal.

one output (A

is

designed

3/8"

(10

While the amplifier

refer installation

only.

the speaker's positive (red) terminal to the amplifier's

and

the

speaker's

switch

in

the

to

the

red(+)

(black) terminal to the amplifier's unmarked positive

terminals! This

for

mm)

of

post

by

could

damage

fault conditions: replace fuse with

"BRIDGED"

speaker. Connect

terminal noted next to the bridging mark, and

or

B) can be bridged. Do not attempt to bridge both

may

and

for speaker connections.

bare

twisting clock-wise until it is firmly clamping the

of

to

a qualified installation professional,

result

may

damage

conductor.

does

self-protect

loudspeaker mode and incorrect connection

connected

Figure 2.

of

greater than 5mV is present

(black)

and

the

most

one

or

terminal

use

positive

output

terminal.

improper

and/or

of

plug cable . Trigger can operate

negative

position

the

speaker's

in

a lower impedance than the

your

amplifier. The

2.

Unscrew

under

loudspeakers

Rear

Panel

to power on

ohm

bridged

to

both

red

(red)

minimum

tenminal

output

amplifier

and

always

same

type

0

in

the

.

13970 sw 72nd Ave Portland OR

97223.

503 914 4688 •

W\VW

audiOSource net •

AudioSource

AD3002

OWNER'S

MANUAL

REMOTE

o e

e

1.

Mute

Press this button to mute the

output.

2.

Power/Standby

Press this button
of

Standby

in

Standby

3.

Volume

Controls
fier the same way the front panel Volume

Trim does.

4.

Speaker AlB switch

Controls
remotely turn
of

speakers.

STEREO SETUP

In

this configuration, the mode switch is set
from a stereo pre-amplifier
Next connect your speakers to the terminals marked
proper polarity.
buttons. Connect a second (optional) pair
"Speaker
8 ohm speakers only. Press A and B together to use both sets of speakers.

to
Mode, or
Mode.

+/-

Controls

the

Volume Trim of the Ampli-

NB

selection

on

and

Select the

B".

If

you are connecting 4 speakers to the AD3002

AD3002

bring the

AD3002

to

put the Amplifier

of

the ouputs;

off 2 seperate sets

or

"A"

speakers using the front panel Speaker Selection

out

to

source to the

of

MUTE

e

0

SPEAKERS

D

AudioSource·

"Stereo".
MAIN

Connect the line out jacks

input jacks

"Speaker A"

speakers to the terminals marked

VOLUME

of

your AD3002.

they must

®

e

8

observing

be

The

audio

output

of
computer, etc., is connected to the
whenever
distributed audio signal present at
will still be present at the MAIN
local source will be
off
system as an audio source, assuming the local source remains inactive. There
is a delay ranging from 3 to
switching from INTERRUPTING

or

the

muted,

A Note

Digital amplifiers distort differently than conventional Class
hear a clicking or popping sound at high volume levels, this is an indication the
AD3002 is distorting. Pushing the amplifier harder than the distortion level may

trigger the amplifier's protection circuitry which will turn the output

off

and engage the red protection LED.

the power button.
this manual by a good margin, so if the amplifer is distorting or it's output protection
is engaging, reduce the volume using the rear panel Level Controls.

Impedance

When using Impedance Matching Volume
AE1

OOVC),

Controls used. Mis-matching the control can lead to amplifier shutdown.
ition,
wattage is being exceeded by the amplifier and the volume should be reduced.

clicking
volume as this is

please ensure the switch setting is correct for the number

if

the amplifier shuts down momentarily at high volume levels, the maximum

or

popping sounds come from the speakers

Using the Rear

The

AD3002

control. This setup is intended to allow the user to set a "do

level. To

do

panel Volume Trim control to maximum and play music from the chosen source.

Slowly

turn

"Clicks" (each click is a 1dB adjustment). This will allow the front panel volume trim

to adjust the output volume by a range

so,

turn up the rear panel level controls to the maximum volume needed. Next,

the front panel volume trim control down (counter-clockwise) by 6

a local source, such as

local

source

heard

the

AD3002

AD3002

is

active
MAIN

input.

via

will automatically switch back to the distributed audio
15

In

the

AD3002.

seconds (based

input back to

On Distortion

The

AD3002

is designed to exceed all power levels stated

Matching Volume Controls

an

indication that the amplifier is clipping and at maximum volume.

Level/Front Volume Trim

has rear mounted master level controls and a front panel volume trim

start with the rear panel level controls at minimum. Turn the front

of

an

MP3

via the

its

signal

input. However,

this circumstance the audio output

Once

on

MAIN

If

this occurs, you can reset it by cycling

Controls

18dB.

Player, CD, television,

INTERRUPTING inputs, and

will

take

priority

the

distributed

the

local

the

"Delay Time"

inputs.

NB

(such as the

at

high volume, reduce the

not exceed" volume

over

audio

source

is turned

setting) when

amplifiers.

of

the amplifier

AudioSource

of

Volume

the
signal
of

the

If

you

In add-

to

10

in

If

INTERRUPT

IN

Use these
Pre-amp or Receiver Line Out

SETUP FOR MULTIPLE SOURCE

In

the multiple source set up, a distributed audio system is connected to the
AD3002
audio system will be the audio source for the
then passed on to
via the

as a local amplifier via the

be

MAIN

outputs.

used by additional amplifiers in the distributed system

Connect Local

Line

Out

here (such

.mp3 player)

Use these
Pre-amp or Receiver Line

MAIN

Inputs

Source

Inputs

IN

to connect

MAIN

as

to connect

MAIN

OUT

inputs. Normally the distributed

AD3002.

The distributed audio

Line

Out

to

Additional Amplifiers

Out

Limited Warranty

AudioSource® warrants its amplifier products against defects in materials
and workmanship for a limited period
date

of

original purchase,
without charge for parts and labor. Customer
charges after
for factory refurbished products expires after ninety
original purchase.

This limited warranty applies only to purchases from authorized AudioSource®

is

electronics retailers. This limited warranty is extended only to the original
purchaser and is valid only to consumers in the United States.

Consumers are required to provide a copy
an authorized AudioSource® dealer when making a claim against this limited
warranty. This limited warranty only covers failures
or

workmanship that occur during normal use.
resulting from accident, misuse, abuse, neglect, mishandling, misapplication,
alteration, faulty installation, modification, service by anyone other than
AudioSource®,
cover costs
customer should return his defective product, freight prepaid and insured, to
AudioSource® only after receiving a Return Authorization.

This warranty will become void if the serial
wholly
the terms
a product prove
sole remedies will
of

this warranty. Under

loss

or

or

inability to use the product. There are
described above .

the

or

of

transportation to AudioSource®

or

partially removed, altered
of

this warranty does not extend the terms

to

damage, direct, consequential

we

limited warranty period expires. The limited warranty period

damage that is attributable

be defective in workmanship

be

repair

no

circumstances sha

of

time.

For

will repair

or

or

or

erased. Repair

replacement as provided under the terms

or

a period

replace

must

of

the original sa les invoice from

It

to

or

number

or

ll

AudioSource® be

incidental, arising out

no

express warranties other than

of

the

due

does not cover failures

Acts

damage in transit. The

of

material, the consumer's

two years from

product,

pay all parts and labor

(90)

identification has been

at

our

days from date

to defects in materials

of

God.

It

does not

or

replacement under

this warranty. Should

li

of

the use

option,

able

of

for

of

• AudioSource

I

13970

sw

?2nd Ave Portland

OR

97203 .

503

914 4688

•

WWN

audlosource

net