Ashly PQX-572 Руководство по эксплуатации - Страница 5

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Operating Manual - PQX 571 and PQX 572 Parametric Equalizer

Parametric Filter Level Control

Parametric Filter Frequency Control

Parametric Filter Bandwidth Control

High Shelf Level Response

5.3

High Shelving Filter (Filter No. 7)

These concentric controls work the same way as

the low shelf controls described in (1) and (2) except the

filter response starts at the center frequency selected and

continues up in frequency.

5.4

Master Level

The overall gain of the equalizer is adjusted by

this control. The master level gain stage is placed prior

to any filter stages so that increasing the master level will

not amplify filter noise. If the Master EQ switch is out,

the level control has no affect. Signals are then simply

routed through the equalizer at unity gain.

5.5

Clip Indicator

This red LED illuminates when an amplifier in

any of the filters comes within 3 dB of clipping, includ-

ing those filters which are not engaged. The maximum

signal level through the PQX equalizers is greater than

+22 dBu.