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DESCRIPTION
-
PA amplifier with USB/SD/MP3 player/recorder, digital FM radio tuner and zone selector. 720 W
maximum, 680 W RMS.
-
Specially suitable for commercial installations with background music and distributed audio.
CONTROLS AND FUNCTIONS
FRONT PANEL
1.- ECHO: control to adjust the number of echo effect repetitions. It affects the inputs INPUT 1-5 and the
USB/SD/FM/MP3 module.
2.- INPUT 1-5: volume controls for inputs INPUT 1-5.
3.- BASS/TREBLE: controls which reinforce or attenuate the bass/treble frequencies, ±10 dB.
4.- MASTER: control which regulates the general output volume of all the inputs.
5.- PROT: LED indicator which lights up red when an anomaly is produced by temperature, overcurrent,
surge or short circuit. When the protection is activated, the audio output is cut off.
Z5
6.- CLIP: LED output signal indicators. Regulates the individual input volume controls or the general
MASTER output volume control so that the level does not exceed the green LED indicators. The red
LED indicator indicates saturation or a distorted signal which may cause damage to the loudspeakers
or the amplifier.
7.- USB/SD/MP3 recorder/player and digital FM radio tuner.
1.- Information display. Indicates the type of device connected (USB or SD), along with the time,
playback status, the track number that is being played at that moment and the number of the file
it belongs to. If it is connected to the digital FM tuner, it shows the frequency of the FM station
selected. When it is playing a file recorded using the REC function, the word FrE is shown on the
display.
2.-
: in radio mode, a short press of this button selects the previous frequency point in 0'05 MHz
steps. A long press of this button makes an automatic search for the previous station. In playback
mode, it jumps to the track prior to the one being played at that moment.
1
ECHO
PA AMPLIFIER MA-680RGUZ
VOL+
VOL-
MP3/FM
LEVEL
REC
SD/USB
MEMORY
M1
M2
M3
M4
CLIP
7
1
2
Z4
Z3
Z2
Z1
COM
VIN
100 V
MA-680RGUZ
CAUTION
PA AMPLIFIER
RISK OF ELECTRIC SHOCK
DO NOT OPEN
720 W MAX., 680 W RMS
CAUTION: SHOCK HAZARD - DO NOT OPEN
RISK OF FIRE-REPLACE FUSE AS MARKED
POWER CONSUMPTION: 1,100 W
~110-120 V AC. 50/60 Hz FUSE: T8 AL 250 V
~220-240 V AC. 50/60 Hz FUSE: T4 AL 250 V
10
11 12
13 14
6
Z5
Z4
Z3
Z2
Z1
COM
VIN
2
INPUT 1
INPUT 2
INPUT 3
INPUT 4
INPUT 5
CHIME
SIREN
Z1
Z2
8
9
3
4 5 6 7
CHIME
PRIORITY
SIREN
70 V
COM
16
8
4
COM
INPUT 5
LINE OUT
PRE OUT
2
1
L
L
L
R
R
R
AMP IN
DIPS FUNCTION:
DIPS FUNCTION:
1. AUX1 (OFF) / AUX2 (ON)
1. LINE (OFF) / MIC (ON)
2. -10 dB PAD ENABLE
2. PHASE
3. HIGH PASS FILTER
3. HIGH PASS FILTER
4. 0 dBV (OFF) / -10 dBV (ON)
4. +48 V PHANTOM
L
R GND
L
R GND
+
1
2
3
4
1
2
3
4
1
2
2
1
3
4
15
VOL+
LEVEL
REC
MEMORY
M1
M2
CLIP
7
8
9 10 11 12
100 V
- 2 -
3
4
5 6
MASTER
BASS
TREBLE
Z3
Z4
Z5
ALL
ZONE PAGING SELECTOR
POWER
10
11
8
9
INPUT 1
PRIORITY
HOT COM GND
TEL.
FM
TEL. INPUT
LEVEL
INPUT 4
INPUT 3
INPUT 2
INPUT 1
DIPS FUNCTION:
DIPS FUNCTION:
DIPS FUNCTION:
1. LINE (OFF) / MIC (ON)
1. LINE (OFF) / MIC (ON)
1. LINE (OFF) / MIC (ON)
2. PHASE
2. PHASE
2. PHASE
3. HIGH PASS FILTER
3. HIGH PASS FILTER
3. HIGH PASS FILTER
4. +48 V PHANTOM
4. +48 V PHANTOM
4. +48 V PHANTOM
-
GND
+
-
GND
+
-
GND
+
-
GND
1
2
3
4
1
2
3
4
1
2
3
4
5
16
VOL-
MP3/FM
SD/USB
M3
M4
70 V
COM
16
8
4
COM
CLIP
0
-3
-8
-13
PROT
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