Front Panel Functions; Rear Panel Functions - AMC DMPA Series User Manual

Operation

Front panel functions

MIC 1 / MIC 2 LEVEL CONTROLS
Rotary knobs for adjusting volume level of the MIC 1 and MIC 2 inputs.
MUSIC SOURCE SELECT SWITCH
Switch for selecting music source from either AUX input or media player.
MUSIC LEVEL CONTROL
Rotary knob for adjusting level of music source, previously selected with music
source select switch.
BASS & TREBLE TONE CONTROLS
Tone controls provide attenuation of bass and treble response. The flat position
is obtained when the knobs are set to middle position. Turn the knob clockwise
to raise tone level approximately +10 dB; turn counterclockwise to lower tone
level by approximately -10 dB.
POWER SWITCH
Switches device ON / OFF. The button is LED-illuminated when the device is ON
Back panel functions
MAIN POWER CONNECTOR AND FUSE
Power connector for mains power, combined with fuse holder. Use only the
same type of fuse that is written on the device.
05 USER MANUAL DMPA Media Player Amplifier
AMPLIFIER OUTPUT
DMPA series devices have three audio outputs for different impedance speakers
and audio lines: 4Ω, 70V and 100V. Only one output can be used at the time.
Operating amplifier with more than one output may cause damage the
amplifier or connected speakers.
AMPLIFIER OUTPUT IMPEDANCE SWITCH
Switch amplifier between 4Ω and 70V / 100V output impedance modes,
coresponding to the connected output.
LINE LEVEL AUDIO OUTPUT
RCA stereo output for connecting device to external audio amplifier or other
equipment.
AUX INPUT
RCA stereo input for connecting external audio source.
MIC INPUTS
Two microphones can be connected to device: MIC 1 using phoenix connector,
MIC 2 using XLR / TRS combo connector.
MIC 1 PHANTOM POWER AND INPUT PRIORITY
MIC 1 input can provide 24V phantom power for condenser microphones. This
input can also have a priority over other sources (when activated, it mutes other
sounds).