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!

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.

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.

The Compressor and Limiter sections are totally independent of each other. Both feature separate variable Attack, Release and Threshold controls.

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 detection circuit.

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.

The URS 1975 Classic Compressor adds other powerful modern features such as totally variable Compression Ratios, Attack and Release times.

Two different URS 1975 Classic Compressor plug-ins are included:
• 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.