Ayre QA-9 Owner's Manual download pdf (Page 13)

Controls and

Operation

The Ayre QA-9 A/D uses a zero-feedback,

variable-gain analog circuit to adapt to a wide range

of input signal levels. This allows the full dynamic

range of the analog source to be realized in the

digital recording.

Adjustment of the analog input sensitivity is only

available via the front panel knob.

Gain Adjustment (Input Sensitivity)

The front panel knob is used to adjust the input

sensitivity. Twelve levels, each having a step size of

2.0 dB, are provided. The input sensitivity will need

to be set separately for each analog source.

The color-coded front panel bar-graph displays how

much of the available digital range is being used.

The uppermost segment is red and indicates that

clipping has occurred (with a display hold time of

ten seconds).

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Ayre QA-9 Owner's Manual Page 13