Manual calibration procedure, Preparation – Universal Audio UAD Plug-Ins ver.7.4.2 User Manual
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UAD Powered Plug-Ins Manual
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Chapter 2: Ampex ATR-102
Manual Calibration Procedure
Manual calibration tools are provided so expert users can calibrate the sys-
tem to their preferred methods for obtaining desired results. For example,
some technicians may prefer adjustments for lowest distortion at a certain fre-
quency; setting bias for maximum sensitivity (instead of overbiasing); or other
non-standard techniques.
The calibration procedure described here is the most commonly used tech-
nique, and is the (albeit simplified) method recommended by the Ampex Op-
eration and Service Manual.
Important:
Manual calibration is not required to use UAD Ampex ATR-102.
Following this procedure will result in the same (or nearly the same) values ob-
tained by simply using the
feature.
Tip:
When making manual calibration settings, consider disabling Auto Cal
so the manually calibrated values are not accidentally lost if any of the con-
trols that force automatic calibration (Tape Type, Tape Speed, Emphasis EQ,
and Head Width) are inadvertently modified.
Preparation
• Reduce monitoring system volume to avoid loud sine wave
.
• Insert UAD Ampex ATR-102 on the DAW output bus (see note below).
• Set
mode (Sync mode is not supported for manual cal).
• Set left and right Meter
switches to the “OUTPUT” position.
• Set left and right Meter
switches to the “VU” position.
• Set
to desired values.
• If Tape Speed is set to 3.75 IPS, set
to +3 dB.
• Disable
may contribute to incorrect results).
• Do not change the above settings throughout the procedure.
• For related information, see the
at the end of this
chapter.
Note:
are operational only when
is set to Sync or Repro. Additionally, the tools may not operate in some hosts
unless audio is present on the track containing the plug-in and the transport is
running. Placing the plug-in on an aux, bus, or master output may eliminate
this host limitation.