UAD Powered Plug-Ins Manual
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Chapter 2: Ampex ATR-102
After Auto Calibration occurs, the automatically adjusted pa-
rameters can be modified to any other value if desired. If a cal-
ibration parameter is adjusted while Auto Cal is ON, the ON
LED illuminates in red instead of green, indicating that the sys-
tem is no longer in the calibrated state. If the moved controls are subsequently
returned to their original position, the LED will return to its green state, indi-
cating the unit is back in calibration.
Tip:
To return any of the individual calibration controls to their “flat” (cali-
brated) position, click the label text adjacent to the control (or, simply re-click
Auto Cal to return all calibration controls to their “flat” position).
“Manual Calibration Procedure” on page 40
has instructions for perform-
ing system calibration manually.
Record EQ
The Record EQ controls (
and
) are applied in
the tape recording circuit and affect tape saturation character-
istics. They compensate for common residual HF loss due to
bias optimization and system filtering, and affect HF content in
the signal prior to the tape non-linearity.
HF EQ
HF EQ provides high frequency emphasis in the signal recorded to tape.
Shelf EQ
Shelf EQ is another control (in addition to HF EQ) provided to compensate for
tape non-linearity. Although adjustment of this control is not part of the Ampex
factory calibration procedure, it can be used for customized manual calibra-
tions or creative purposes.
Repro EQ
controls for tape playback calibration. They affect the signal
coming out of the tape circuitry in both
and
modes.
The Repro EQs are used as filters to shape the frequency response of the sys-
tem in maintaining a flat response and enable compensation for any tape fre-
quency loss or head wear.
Содержание Ampex ATR-102
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