American Audio V1500 User Manual

American Audio®

User Instructions

American Audio®

4295 Charter Strret
Los Angeles Ca. 90058

Revised 5/01

™

CAUTION

Do not open -

risk of electric shock

CAUTION: TO REDUCE THE RISK OF ELECTRIC

SHOCK, DO NOT REMOVE THE COVER.

THERE ARE NO USER SERVICEABLE PARTS

INSIDE. REFER ALL SERVICE TO YOUR

AUTHORIZED AMERICAN AUDIO® DEALER.

The lightning flash with an arrow triangular
symbol is intended to alert the user to the
presence of non insulated “dangerous volt­age” within the products enclosure, and
may be of sufficient magnitude to constitute
a risk of electric shock.

The exclamation point triangular symbol is
intended to alert the user to the presence
of important operating and maintenance
(servicing) instructions in the user manual
accompanying the CD player.

FOR OPTIMUM PERFORMANCE AND
RELIABILITY DO NOT PRESENT THE
AMPLIFIER WITH A SPEAKER LOAD
OF LESS THAN 2 OHMS. OR ANY
COMBINATION OF SPEAKERS THAT
TOGETHER ARE LESS THAN 2 OHMS!

USING ONE SPEAKER, IT MUST BE
RATED AT 4 OR MORE OHMS.

USING TWO SPEAKERS, THEY MUST
RATED EACH AT 4 OR MORE OHMS.

USING THREE SPEAKERS, THEY
MUST BE RATED EACH AT 8 OR
MORE OHMS.

POUR ASSURER LA FIABILETE ET
OBTENIT UNE PERFORMANCE OPTIMALE,
NESOUMETTE JAMAIS L’AMPLIFICATEUR
A UNE CHARGE D’IMPEDANCE TOTALE
INFERIEURE A 2 OHMS, NI AVEC UN H.P.
NI EN COMBINAISON DES H.P.

AVEC UN H.P., IL FAUT UNE CHARGE
D’IMPEDANCE MINIMUM DE 2 OHMS.

AVEC DEUX H.P., FAUT POUR CHAOUN
UNE CHARGE D’IMPEDANCE MINIMUM
DE 4 OHMS.

AVEC TROIS H.P., FAUT POUR CHAOUN
UNE CHURGE D’IMPEDANCE MINIMUM
DE 8 OHMS.

C O N T E N T S

FRONT PANEL............................................................................................................................................................4

REAR PANEL..............................................................................................................................................................5

OPERATING VOLTAGE...............................................................................................................................................4

INPUTS........................................................................................................................................................................6

OUTPUTS....................................................................................................................................................................7

LIMITER......................................................................................................................................................................10

LOW-CUT FILTER......................................................................................................................................................11

FUSE..............................................................................................................................................................................5

LED INDICATORS.......................................................................................................................................................4

STEREO/BRIDGED MONO........................................................................................................................................10

PROTECTION............................................................................................................................................................10

V1500™ Power Amplifier Instructions page 2

Important Precautions

Introduction

1. Be sure to save the packing carton in case you may ever have
to return the unit for service.

2. Read all documentation before attempting to operate your
new amplifier. Please save all you documentation for future
reference.

3. Do not spill water or other liquids in to or on to your amplifier.

4. Be sure that the local power outlet match that or the required
voltage for your amplifier.

5. Do not attempt to operate this unit if the power cord has been
frayed or broken. Please route your power cord out of the way
of foot traffic.

6. Do not attempt to remove or break off the ground prong from
the electrical cord. This prong is used to reduce the risk of
electrical shock and fire in case of an internal short.

7. Always have the front gain controls set to their lowest level
during initial power-up to prevent speaker damage .

8. Disconnect from main power before making any type of
connection.

9. Do not block the units cooling vents or fan intake. If this unit is
being used in an extremely dusty or smoky environment, the
unit should be blown through on a regular basis.

10.Do not remove the top cover under any conditions. There are
no user serviceable parts inside.

11.Do not drive the inputs with a signal level greater than that
required to drive equipment to full output.

12.Do not try to run the input signal of an amplifier by the output of
any other amplifier.

13.Never ground a RED (positive) terminal. Never connect a RED
(hot) terminal to another RED (hot) terminal.

14.Disconnect the unit’s main power when left unused for long
periods of time.

Introduction: Congratulations and thank you for purchasing the

American Audio® V1500™ amplifier. This amplifier is a representa­tion of American Audio’s continuing commitment to produce the best
and highest quality products all at an affordable price. This ampli­fier is an ultra-compact amplifier that packs a big punch! Please
read and understand this manual completely before attempting
to operate your new amplifier. This booklet contains important
information concerning the proper any safe operation of your new
amplifier.

Unpacking: Carefully open and unpack your amplifier. Be sure

to save the packaging in case you may ever need to return your
unit to the factory. After unpacking, inspect the amplifier for any
type of damage that may have occurred during shipping or transit.
If you notice any type of damage notify your dealer immediately
for instructions.

Installation: This amplifier is made to mount in a standard 19”

rack The front panel provides four holes used to screw the unit
into a rack The unit also provides a way to rear mount the unit
into a rack for added security. Rear mounting the unit is especially
recommended if the unit is to mounted in to a mobile rack.

Customer Support: American Audio® provides a toll free cus-

tomer support line, to provide set up help and to answer any ques­tion should you encounter problems during your set up or initial
operation. You may also visit us on the web at www.americandj.com
for any comments or suggestions. For service related issue please
contact American Audio®. Service Hours are Monday through
Friday 9:00 a.m. to 5:00 p.m. Pacific Standard Time.
Voice: [phone]
Fax: [phone]
E-mail: [e-mail]

V1500™ Power Amplifier Instructions page 3

FRONT PANEL

1

2 3

4 6

5 7

Diagram 1

11

8

1. Channel 1 Signal indicator -

This Green LED will glow when there is an input signal present.

2. Channel 1 Protect indicator -

This red LED will glow when channel one goes in to protect mode.
In protect mode the output signal to the speakers will terminated
to channel one.

3. Channel 1 Clip indicator -

This LED comes on at the amplifiers clipping point, the point when
the output signal begins to distort. Under heavy clipping lower
the input gains (Diagram 8) to reduce the risk of damage to your
speakers and amplifier.

4. Power LED -

This LED will glow when the amplifier is turned on, indicating
power is going to the unit.

5. Channel 2 Clip indicator -

This LED comes on at the amplifiers clipping point, the point when
the output signal begins to distort. Under heavy clipping lower the
input gains (Diagram 10) to reduce the risk of damage to your
speakers and amplifier.

9

6. Channel 2 Protect indicator -

10

11

This red LED will glow when channel two goes in to protect mode.
In protect mode the output signal to the speakers will terminated
to channel two.

7. Channel 2 Signal indicator -

This Green LED will glow when there is an input signal present.

8. Channel 1 Gain control -

This knob adjust the channel one volume output to the speakers
connect to channel one.

9. Power Switch -

This switch turns the unit on.

10. Channel 2 Gain control -

This knob adjust the channel one volume output to the speakers
connect to channel one.

11. Exhaust Cooling Vents -

A cooling fan is mounted at rear of the amplifier. These exhaust
vents allow hot air to be pushed out of the amplified to allow
ample cooling of the internal components. Do Not Block These

Vents!

V1500™ Power Amplifier Instructions page 4