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CONTENTS
7. Fan grille filters
Two grilles with foam filters are located on the front panel to prevent dust from entering the amplifier. The grilles are
removable for easy cleaning of the filters by simply pulling them off. The foam filters should always be used.
Turns mains power on or off.
(See page
4.3
1. Output / Speaker connector
The Speakon connector from Neutrik may be unfamiliar to some users. A full description is found in the operation
section. (See page 11).
2. Clip limiter switch
Turns the clip limiter "ON" (switch IN position) or "OFF" (switch OUT position). (See page 13).
3. Input signal XLR. Neutrik Combijack features also _" TRS phone jacks. (Pin 2 is "hot", see page 10).
4. Link Input. XLR male connector connected in parallel to the female for linking the channel to another input.
either 20, 23, 26, 29, 32, 36, 39 or 41 dB. (See page 5).
6. Link and Polarity reverse switch. Two of the switches in the DIP-switch are used for Link and Bridge
either 20, 23, 26, 29, 32, 36, 39 or 41 dB. (See page 5).
8. AC Mains cable. WARNING!
5
5.1
Gain switch
The gain switch located on the rear panel (the central DIP-switch) changes the gain/input sensitivity of the
amplifier. This can be useful when using low or high nominal input signals. Most professional mixing consoles
operate at a nominal level of +4 to +6 dBu; the 32dB gain position ensures there is plenty of movement available
of the output fader. For semi professional mixing desks operating at a nominal level of 0dB or -10dB the higher gain
settings of the amplifier can be used.
PRINT
8
and
12
)
1
2
Clip Limiter A
OUTPUT CH.B
1+ CH.B+
1- CH.B-
MA1.3s
MARTIN AUDIO
Made in the EEC by
A label just below the mains cable on the rear of the amplifier indicates the selected AC mains
Martin Audio - MA1.3s Amplifier
3
4
5
6
?
4
3
CH. A
CH. B
INPUT
CH.B LINK
CH.A LINK
INPUT
LINK / BRIDGE A+B
GAIN
GAIN
CH.B
CH.A
STEREO
1 23
GAIN
ON
2 0dB
OFF
2 3dB
1 /4 "
2 6dB
XLR
Pin 1
Scrn
Sleeve
2 9dB
3 2dB
2
Pos
Tip
3
Neg
Ring
3 5dB
3 8dB
2 30-240V
50-60Hz
Must be grounded
4 1 dB
Current consumption: 8.7A
6 78
8
5
GUIDES
1
OUTPUT CH.A
STER EO
BRIDG E
1+ CH.A+
Pin 1+ Spk+
1- CH.A-
2- Spk-
2+ CH.B+
2- CH.B-
Clip Limiter B
Ser. No:
2
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