AMC MA 240, Руководство пользователя, Страница: 8 / 14

USER MANUAL
MA 240
Mixing ampliier
06
Operation
Rear panel operation
VENTILATION HOLES
To ensure proper amplifiers cooling leave these ventilation’s holes unblocked.
Blocked ventilation’s holes can be reason of amplifiers damage.
POWER CONNECTOR AND AC FUSE
Power connector is designed for main powers connecting to ampliier. This
connector is combined with fuse holder and 6.3A 250V fuse inside.
+24V DC TERMINAL
24V DC terminal is designed to power up the ampliier when the main power
is unavailable. Use only DC 24V power supply or batteries and take attention to
polarity during the wiring. 24V DC Current - 20A.
OUTPUT TERMINAL
Output terminal is designed to connect audio line to amplifier. There are availa-
ble 4 types of output: low impedance 4 Ω output, 25 V, 70 V and 100 V outputs
for audio line. Please ind some connection examples below in this user manual.
PREAMPLIFIER OUTPUT
This is line level output directly from device preampliier. Preampliier output
and amplifier input are designed to insert signal processor such as equalizer or
limiter.
INPUT TO POWER AMPLIFIER STAGE
This is line level input directly to device power ampliier. Preampliier output
and amplifier input are designed to insert signal processor such as equalizer or
limiter.
REC OUTPUT
This is line level stereo RCA output to connect audio recording equipment.
AUX INPUT
Line level stereo RCA input. AUX input allows to connect the line level audio,
input level can be adjusted by using AUX knob, located in the front panel.
BALANCED XLR INPUTS
These balanced XLR inputs are universal, the gain (MIC or LINE) of these inputs
are selectable by switch located near the input in the rear panel. If the 24V
PHANTOM power is activated the input gain sets to microphone level automati
-
cally. Please note: Phantom power is switchable on each XLR input separately.
First balanced XLR input have a priority against other inputs.