Anthem MCA 20, MCA 30, MCA 50 Operating Manual - page 4
4
M C A A M P L I F I E R S
C O N N E C T I O N F U N C T I O N S
( S E E F I G U R E S 2 T O 4 )
C
TRIGGERS (INPUT & OUTPUT)
The 3.5mm (.125”) mini-jack INPUT receives a 5-24V AC/DC trigger signal from an upstream component (preamplifier,
surround sound processor such as the Anthem AVM 20, or system controller), and delivers the same trigger signal through
the OUTPUT to other system components.
D
ON MODES
With this three-way slide switch, you may select the way in which your amplifier is turned ON and/or OFF:
• TRIGGER: (Power button must be depressed for this mode)
This feature allows your amplifier to be turned on or off remotely via the Trigger described above (C).
• MANUAL:
When in this position, the amplifier is turned ON/OFF via the power button on the front panel (B).
• AUTO: (Power button must be depressed for this mode)
This innovative feature eliminates the need for a manually operated power button. AUTO ON turns the amplifier on
whenever there is an input signal on any one of the channels. If no input signal is sensed after a period of time, the
amplifier switches off automatically.
E
DETACHABLE AC POWER CORD SOCKET
Plug the Detachable Power Cord into this socket. The MCA Series Amplifier is factory built for the correct operating voltage
for the area in which it is sold (see shipping box for voltage setting).
F
SINGLE-ENDED (RCA) INPUT
Connect the outputs from your preamp or surround sound preamp to the Right, R-Surround, Center, L-Surround, and
Left inputs (number of channels depends on MCA model).
G
BALANCED (XLR) INPUT
Balanced connection provides the highest transmission quality, especially over long cable lengths – if your preamp or
surround sound preamp has XLR outputs, use these inputs instead of the single-ended (RCA) inputs.
H
SPEAKER CONNECTION POSTS
Each 5-way binding post accepts a connection from one speaker. The positive/red (+) connection on the speaker is to
be made to the positive/red (+) binding post on the same amplifier channel. As well, the negative/black (–) connection
on the speaker is to be made to the negative/black (–) binding post on the appropriate amplifier channel.
Be careful not to overtighten the binding posts.
A
2-COLOR LED
In MANUAL mode, the LED is lit “green” when the amplifier is “ON”, receiving power from the power supply.
In AUTO or TRIGGER mode, the LED will be lit “red” until the amplifier receives a music signal (auto) or a trigger voltage
(trigger), at which point the LED will turn “green”.
B
POWER BUTTON
When in the ON position (button depressed), AC voltage is applied and the multi-channel circuitry receives high voltage
power from the DC power supplies. When in the OFF position (not depressed), the amp is not receiving AC power and
is not operational.
C O N T R O L F U N C T I O N S
( S E E F I G U R E 1 )