Connections; Mains Connection; Battery Connection (24 Vdc); Microphone Connections - Optimus A-5230M2 Installation And Operating Instructions Manual

6. CONNECTIONS

6.1. MAINS CONNECTION

The supply transformer has been designed for use either 115 Vac or 230 Vac, selected by slide
switch on rear panel. The amplifier is factory set at 230 Vac mains Voltage.

6.2. BATTERY CONNECTION (24 VDC)

When using external batteries, earth the amplifier via the screw terminal because of the high
voltages present. Electrical stability of the system is increased by earthing the case.
NOTE: The connection cable must be fitted with an in-line fuse, quick blow type F15A. When
connecting batteries please ensure correct polarity.

6.3. MICROPHONE CONNECTIONS

MIC1 input is either a balanced standard 1/4" stereo jack on front panel or XLR on the rear panel
(With selectable Phantom power).
Wiring is as follows:
XLR connector
Pin 1: GND
Pin 2: Signal + (audio)
Pin 3: Signal – (audio)
Jack Stereo 6,3 mm connector
Sleeve: GND
Tip: Signal + (audio)
Ring: Signal– (audio)
MIC1 input has VOX priority which will override MIC2 ~ 4 and AUX (Line) input signals but NOT
the TELEPHONE input.
MIC2 ~ 4 inputs are XLR with selectable Phantom power located on the rear panel and wired as
above. The Phantom power is factory set to off and can be enabled as follows:
A-5230M2 / A-5260M2 Version 1.1
A-5230M2 / A-5260M2
Amplifier
2 1
3
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