Martin Audio AQ5 Betriebsanweisung PDF herunterladen (Seite 6)

WARNING: The AQX Controller must always be operated with the

mains safety earth connected.

The AQX is supplied from the factory in either 100/120V or 200/240V

versions

Mains voltage tolerance ± 10% on each setting.

Fuse: - type ‘T’ semi-delay 160mA (L) 100-120V

Fuse: - type ‘T’ semi-delay 160mA (L) 220-240V.

NO ATTEMPT SHOULD BE MADE BY THE USER TO CHANGE THE

MAINS OPERATING VOLTAGE FROM THAT SUPPLIED, REFER TO

QUALIFIED PERSONNEL ONLY.

This equipment must be earthed.

8 SIGNAL CONNECTIONS

8.1 Input connections.

AQX inputs are on female XLR type connectors and are electronically

balanced. Pin 1 is normally open circuit but may be linked to Ground

(chassis earth) or Lift (sig.0v) by positioning jumper links on the main PCB

(J1.J2).

The signal is always applied between pin 2 (hot +) and pin 3 (cold -).

Always use 2-core plus screen ‘balanced’ type signal cable, even for

unbalanced circuits. The screen should be regarded as separate from the

signal return, even if they are connected together at one end of the cable.

Cable lengths longer than 3 meters should be avoided for unbalanced

connections.

For either balanced or unbalanced operation, always connect the input

signal between Pins 2 and 3. The input cable screen should be derived

from the equipment which is sourcing the input provided that normal safety

requirements are met (i.e. the mains earth is connected correctly).

8.2 Output connections.

AQX outputs are electronically balanced auto compensating via male XLR

type connectors. Pin 1 can be configured to be open circuit or lifted (signal

0v). The output signal appears between Pins 2 and 3.

Always use 2-core plus screen ‘balanced’ type signal cables, even for

unbalanced circuits. The cable screen should be regarded as separate from

the signal return, even if they are connected together at one end. This is to

keep the screen a true screen so that signal return currents do not flow

through it, which can induce signals in adjacent cables.

Martin Audio – AQX Controller

ENGLISH

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Martin Audio AQ5 Betriebsanweisung Seite 6