User manual

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 AMX DEALER.
CAUTION
Do not open -
risk of electric shock
The lightning flash with an arrow triangular
symbol is intended to alert the user to the
presence of non insulated “dangerous volt-
age” within the products enclosure, and
may be of sufficient magnitude to consti-
tute 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 amplifier.
page 3
CONTENTS:
Introduction.................................................................................................................................................................4
Front Panel.................................................................................................................................................... ............5
Rear Panels
A-500......................................................................................................................................................................6
A-800......................................................................................................................................................................7
A-1300....................................................................................................................................................................8
Inputs.........................................................................................................................................................................9
Outputs.......................................................................................................................................................................9
Operating Modes........................................................................................................................................................13
Protection Circuitry
Limiter...................................................................................................................................................................13
Short Circuit Protection...........................................................................................................................................13
Thermal Protection.................................................................................................................................................14
Low Cut Filter.........................................................................................................................................................14
Specifications............................................................................................................................................................15
..
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
R AT E D AT 4 O R M O R E O H M S .
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. N 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.