5. Fan grille filter
A foam filter is located behind the front panel grille to prevent dust entering
the amplifier.
6. Power switch
This is used to power up the amplifier.
(See page 6 and 14)
4.2
The rear panel
Figure 2. Rear panel
1. Speakon connector
This type of speaker connector 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 and off. (See page 15).
3. Input jack
Alternative to using input XLR or for linking inputs with other amplifiers.
(See page 9).
4. Input signal XLR (See page 8).
5. Polarity reverse switch for channel B
For reversing the input signal polarity of channel B to allow bridged
operation. (See page 12).
6. Input link switch
Allows a single input to drive both channels simultaneously. (See page 12).
7. Gain select switch
Allows amplifier gain to be switched between 32dB (1.27Vrms input
sensitivity) and 37dB gain (0.775mV input sensitivity). (See page 14).
8. AC power cable (See page 6).
Martin Audio – MA1.3 Power Amplifier
E
NGLISH
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