URS 1975 Classic Compressor Limiter ™
- High Res 48 bit Double Precision processing
- Adjustable Knee control from hard to soft
- Compressor and separate "Brick Wall" Limiter
- Internal Side Chain with High and Low Pass Filtering
- Stereo, Mono and Multi-Mono
The URS 1975 Classic Compressor digitally recreates a
popular feed forward 1975 VCA Compressor.
The URS 1975 Classic Compressor digitally recreates of
a transformer input and voltage controlled gain reduction
amplifier (VCA) characteristics. Warm and aggressive!
High Res 48 bit "Double Precision"
The URS 1975 Classic Compressor TDM version features Hi
Resolution 48-bit TDM and 64-bit RTAS "Double
Precision" processing for increased clarity, headroom and
unparalleled gain reduction. Hi Resolution "Double
Precision" processing helps to avoid internal clipping in
the Digital Domain.
Adjustable Knee control
The Compressor’s Knee is fully adjustable from hard to
soft. The Compressor/Limiter/Side Chain version has adjustable
knee as well. This allows for:
- soft compression and soft knee limiting.
- soft compression and hard knee limiting.
- hard compression and hard knee limiting.
- hard compression and soft knee limiting.
Independent Compressor and Limiter sections
The Compressor and Limiter sections are totally independent of
each other. Both feature separate variable Attack, Release and
Built in Internal Side Chain Filtering
The Internal Side Chain High and Low Pass Filters fine tune how
narrow or "Broad Band" the URS 1975 Classic Compressor
will affect the program material. Both Filters completely overlap
to dial in problem frequencies.
The Listen Key is after the Filters section. The Listen Key
allows you to monitor the signal being sent to the Gain Reduction
Signal Flow explained
The URS 1975 Classic Compressor signal flow inserts the Gain
Makeup control before the final Limiter. This is the secret to
how hard you can hit the final "Brick Wall" Limiter.
The URS Classic Compressor utilizes Feed-back gain sensing.
Feed-back gain sensing gives Compression and Limiting a servo
type of control. See the detailed signal flow diagram below.
Classic Sound with Modern Features
The URS 1975 Classic Compressor adds other powerful modern
features such as totally variable Compression Ratios, Attack and
Two Different Plug-ins
Two different URS 1975 Classic Compressor plug-ins are
- Compressor/Limiter/Side Chain version
- Compressor only version
The 1975 Compressor/Limiter/Side chain version has a modern
"Brick Wall Limiter that was not found on the vintage unit.
The 1975 Compressor /Limiter / Side chain version is also well
suited for drum Sub groups, Aux sends (TDM versions) and highly
recommended especially on the Mix Bus.
The 1975 Compressor only version is also 3x more DSP
efficient. The 1975 Compressor Only version will act as a Limiter
when the ratio is set at 10:1 and above.
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