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Rupert Neve Designs Portico 5043-H 2CH Compressor/Limiter

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Rupert Neve Designs Portico 5043-H

The Rupert Neve Designs Portico 5043 Compressor/Limiter pairs perfectly with the 5012 microphone preamplifier or the 5033 EQ. The module was designed with both tracking and mixing duties in mind and features two channels of compression/limiting that can be linked in sequence for dual slope compression/limiting, or used independently. When used in the latter configuration, a front panel push-button links the module’s DC control circuits, holding the levels of each input in equal amounts. 

The 5043 also features both feed-forward and feed-back compression modes, accessible at the push of a button. Feed-forward compression takes control voltage from the input, before the VCA, resulting in an immediate response. On the other hand, feed-back compression is achieved by taking control voltage from the output, or a signal that has already been processed by the VCA. Each mode has a distinctly different quality, allowing for nearly endless varieties of expansion and customization suitable to a wide range of applications. 

This is the HORIZONTAL version of the Portico 5043. 

Portico 5043-H Features

  • Gain Range: Continuously variable from -6 dB to +20 dB
  • Threshold Range: Continuously variable from -36 dB to +22 dB
  • Ratio Range: Continuously variable from 1.1:1 to "Limit" (40:1)
  • Attack Range: Continuously variable from 20mS to 75mS
  • Release Range: Continuously variable from 100mS to 2.5 Seconds
  • FF/FB: Feed-Forward or Feed-Back VCA control
  • S/C or LINK: Multiple 5043's may be daisy-chained via the rear panel jacks
  • External 15V Supply included with every Portico Series module
  • Gain Range: Continuously variable from -6 to +20 dB
  • Threshold Range: Continuously variable from -36 dB to +22 dB
  • Ratio: Continuously variable from 1.1:1 to "Limit" (40:1)
  • Attack: Continuously variable from 20 to 75 mS
  • Release: Continuously variable from 100 to 2500 mS
  • Compressor: Feed-Forward or Feed-Back VCA control
  • Maximum Output Level: Balanced and Floating Transformer Output: +25 dBu
  • Crosstalk: Measured channel to channel: Better than -80 dB at 16 kHz
  • Meters: Monitors INPUT LEVEL and GAIN REDUCTION of either channel A or channel B


  • Selectable
  • 2 x XLR
  • 2 x 1/4" Buss input jack for Portico series Buss outputs

THD & Noise

  • At 2 kHz, +20 dBu output level, no load
  • Main output, compressor bypassed: better than 0.001%
  • Main output, compressor engaged: better than 0.06%
  • Noise: mostly 2nd harmonic
  • Measured at main output, un-weighted, 22 Hz to 22 kHz, terminated 40Ω
  • With gain at unity, compressor disengaged: better than -103 dBu
  • With gain at unity, compressor engaged: better than -92 dBu

Frequency Response

  • Main output, unity gain at 18 Hz: -3 dB
  • Main output, unity gain at 150 kHz: -3 dB

Current Consumption

  • At 9 VDC: 1.0 A typical
  • At 12 VDC: 730 mA typical
  • At 15 VDC: 570 mA typical
  • At 18 VDC: 480 mA typical

Other Specifications

  • Power: Voltage Range: 9 to 18 VDC, 9 W
  • Power Connector: 0.2 x 0.1" (5.5 X 2.5 mm) DC jack, center positive
  • Dimensions (W x H x D): 9 x 1.75 x 8.5" (22.9 x 4.4 x 21.6 cm)
  • Weight: 8 lb (3.6 kg)
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