UAD Powered Plug-Ins Manual - 369 - Chapter 36: Neve 33609 Compressor
Technical Article The article “Ask the Doctors: Modeling of the Neve 33609 compressor/lim-
iter” 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 and 33609SE Controls
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 lim-
iter (see “Signal Flow” on page 368).
Limiter
Threshold
Threshold determines how much limiting will occur. When the input signal ex-
ceeds the threshold level, the signal above the threshold is limited. A smaller
value results in more limiting. The available range is from +4 dB to +15 dB,
in 0.5 dB increments.
If the compressor is enabled, the Gain control in the compressor section
(“Compressor Gain” on page 370) 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 sus-
tained 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.
Attack Attack determines how fast limiting will engage when the signal exceeds the
limiter threshold. The Fast setting is 2 milliseconds, and the Slow setting is 4
milliseconds.
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