Rupert Neve 543 500 Series Compressor

Article number: 543
Availability: Ships from manufacturer
Delivery time: Normal delivery time is 2-7 business days, subject to availability.

The 543 Mono Compressor delivers the unobtrusive, musical-sounding dynamic control and brick-wall limiting made famous in the Portico 5043 to the 500 series format. The 543 features a fully controllable compressor-limiter with feed-forward / feedback modes, Peak / RMS detection and a built in side chain high pass filter. With an unrivaled heritage and a tremendous feature set, the 543 yields a combination of rich warmth, flexibility and precision that is sure to resonate in the ears of sound engineers the world over.


  • Portico 5043 in a 500 Series Module
  • Feed Back and Feed Forward Operation
  • Gain Makeup Range from -6dB to +20 dB
  • Ratio from 1:1 to LIMIT (40:1)
  • Threshold Range from -30dBu to +20dBU
  • Attack Time from 20 mS to 75 mS
  • Release / Recovery Time is 100 mS to 2.5 Seconds
  • Side-chain a 250Hz HPF to the VCA
  • RMS or Peak Dection
  • Stereo Operation via Link Switch to another 543
  • Ducking on one 543 controlled by another 543 via the Link Switch
  • Two Peak LED Meters show Output Level and Gain Reduction

Built around Mr. Rupert Neve’s custom transformer designs, each 543 module encompasses individually controllable threshold, attack, release, makeup gain, ratio, side chain HPF, Feed-Forward / Feed-back selection and Peak/RMS detection modes. With the compressor inactive, the 543 may be used as a transformer-coupled, high-performance line amplifier, and two 543 may be linked for stereo operation as well. The chassis is built to standard 500 series specifications, with power and I/O provided by the rack.

Designed for 500 Series by Mr. Rupert Neve
Rupert Neve: “While creating functional 500-series modules is relatively simple, designing those modules to equal their non-500 series counterparts with the current, voltage and space restraints is quite challenging. In creating our own 500 Series Modules, we experimented with a number of different transformer and circuit designs to achieve the same presence and sweetness found in the Portico Series of modules. The result of these efforts is that outside of the slightly lowered headroom, our 500 series modules are nearly indistinguishable from standard Portico Series modules, and are perfectly suited for studios of the highest-caliber.”

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