Modeling, Technical article, Neve 33609 and 33609se controls – Universal Audio UAD Plug-Ins ver.7.5 User Manual

Page 264: Limiter, Limiter threshold, Limiter recovery

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UAD Powered Plug-Ins Manual

- 264 -

Chapter 27: Neve 33609 Compressor

Modeling

The UAD Neve 33609 models all aspects of the original 33609 hardware,
including the desirable harmonic distortion characteristics. These qualities are
more prominent at higher input levels (see

“Headroom” on page 269

” for

more info).

When the compressor and limiter are both disabled, some (good) coloration
of the signal occurs, just like the hardware. If a true bypass is desired, use the
power switch (

“Power” on page 271

) to disable the plug-in.

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 263

).

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 266

) 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.

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