Input & Output Connections; Input Connections; Line Input Mode; Output Connections - AEA rpq500 Owner's Manual

Versatile mic preamp in the 500 series format

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INPUT & OUTPUT CONNECTIONS

The RPQ500 can be operated either as a mic preamp with the optional

CurveShaper™ EQ, or as a stand-alone EQ and fader for line level

signals. The default mode is the Microphone Input mode with the Mic/

Line switch (ref. #8) in the OUT position.

With ribbon, moving-coil dynamic, tube, and any other microphones that

do not use phantom power, it is recommended that the P48 switch (ref.

#7) is set to the OUT position before and while they are connected,

to prevent possible damage to the microphones. The LED below the

phantom power switch will be lit in red when P48 is engaged.

To prevent damaging the equipment in your system, it is a good idea to

test your microphone cables regularly to determine whether they have

any open, shorted, reversed, or intermittent connections.

Line Input mode bypasses the mic preamp stage to accommodate line-

level signals.

Depressing the Mic/Line switch (ref. #8) bypasses the first gain stage

and routes the signal from the XLR input connector straight to the

optional CurveShaper™ circuitry and the Output Level control (ref. #11).

The LED near the Mic/Line switch will indicate when Line Input mode is

engaged.

Phantom power cannot and should not be applied to line-level devices.

In Line Input mode, the inputs of the RPQ500 will always be free from

phantom power, even if it is accidentally engaged. Nevertheless, it is

recommended to keep the phantom power off when the unit is used in

this mode.

The output of the RPQ500 emulates a transformer-coupled output and

can be used as either a balanced or unbalanced signal (depending on

how your cable/system is configured). When balanced, the maximum

output level is +28 dBu; when unbalanced, the maximum level is +22

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