UAD Powered Plug-Ins Manual v5.2 - Just Music

Technical Article
The article “Ask the Doctors: Modeling of the Neve 33609 compressor/limiter”
contains interesting technical details about the 33609. It is available at
our online webzine:
• http://www.uaudio.com/webzine/2006/august/index2.html
Neve 33609 Controls
Each feature of the UAD Neve 33609 interface is detailed below.
Limiter
Controls in this section only function
when the limiter is enabled with the
“limit In” switch (the Power switch must
also be on).
Note: The compressor precedes the limiter
(see “Signal Flow” on page 158).
Limiter
Threshold
Threshold determines how much limiting will occur. When the input signal exceeds
the threshold level, the signal above the threshold is limited. A smaller
value results in more limiting. The available range is from +4dB to +15dB, in
.5dB increments.
If the compressor is enabled, the Gain control in the compressor section
(“Compressor Gain” on page 160) will affect the input level into the limiter.
In this case, the compressor gain can affect the limiter threshold response.
Limiter Recovery
Recovery (release) is the time it takes for the limiter to stop processing after the
signal drops below the threshold value. The available values (in milliseconds)
are 50, 100, 200, 800, a1, and a2.
The automatic settings (a1 and a2) are program dependant. The value for a1
can be as fast as 40ms, but after a sustained period of high signal level, the
period is ≈1500ms. The value for a2 can be as fast as 150ms, but after a sustained
period of high signal level, the period is ≈3000ms.
Limiter In
This toggle switch enables the limiter portion of the plug-in. The limiter has no
effect unless this switch is in the “In” (down) position.
UAD Powered Plug-Ins Manual - 159 - Chapter 17: Neve 33609 Compressor