:
AC 220 - 240V 50/60Hz
Parts Identifications and Functions
Page 3
AMPERES MX2222 PRE-AMPLIFIER MIXER
FRONT VIEW
MUSIC SOURCE
SIG IN
MAX
MIN
EXT INPUT
MAX
MAX
MIN
MIN
SIG IN
MAX
MIN
TONE CTRL
SIG IN
SIG IN
SIG IN
MAX
MIN
MAX
MIN
MIN
SIG IN
SIG IN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
SIG IN
PRE AMPLIFIER MIXER
amperes
MX 2222
POWER
OFF SELECT
TUNER
CD
CASS
OFF
MASTER
BASS
SOURCE
CHIME
MIXER
TREBLE
CH5
CH6
CH4
CH3
CH1
CH2
AUX
O
I
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 16
17
18
REAR VIEW
1. INPUT VOLUME KNOBS
-
Mic / line input level knobs for channel 1 to 6. Input channel 1 and 2 ( including external mixer and chime inputs ) shall have
priority over other inputs. They shall mute or duck other signals and the level of muting is adjustable using the rear muting
knob ( part nbr 16 ).
By defaults, the inputs had been set to receive mic level. To change them to receive line input level, see section “ Changing
input level ”.
2. INPUT SIGNAL LEDs
Signal presence at individual channel is indicated by the LED with its intensity following the input level.
3. BGM SOURCE LEVEL KNOB
It is for adjusting the level of music source signal selected from the source selector.
4. CHIME / EXTERNAL MIX INPUT LEVEL KNOBS
External chime / tone or siren tone generator and link from external mixer shall have priority over other input sources
except Mic / Line input 1 and 2. To mute or mix these inputs with other mic / line sources, adjust the muting level knob (
part number 16 ) accordingly.
5. BASS AND TREBLE CONTROL KNOBS
Tune the bass and treble level to suit listening preference or to suit the environment of installed speakers
6. MASTER KNOB
Final mixed audio is controlled via Master Knob. It is recommended to lower down the volume after each usage to avoid
sudden audio surge to your system, which may damage the speakers.
7. SOURCE SELECTOR BUTTON
The 4 BGM sources ( via RCA jacks ) is selected by using the daisy chain source select button.
