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Rupert Neve Designs Portico 5043V Compressor Limiter Duo (Vertical Mount)
The Rupert Neve Designs Portico 5043 Compressor Limiter Duo (Vertical Mount) is an analog signal processing device designed for both recording and mixing applications. It can be rackmounted vertically in an optional Rupert Neve Designs 5285-RM rack-mounting frame. For processing, the device consists of two independent compressor-limiters designated "A" and "B".
The Rupert Neve Designs Portico 5043 Compressor Limiter Duo (Vertical Mount) is an analog signal processing device designed for both recording and mixing applications. It can be rackmounted vertically in an optional Rupert Neve Designs 5285-RM rack-mounting frame. For processing, the device consists of two independent compressor-limiters designated "A" and "B". Each can be used on its own, connected together for stereo operation, or connected sequentially to enable composite compression.
The compressor is used to control the dynamics of an incoming signal. When the amplitude of the incoming signal exceeds the compressor's user-specified threshold, the compressor will reduce the incoming signal according to a user-specified ratio. You can set the threshold between -36 dB to +22 dB and the ratio between 1.1:1 and 40:1. For finer-tuned controls, you can set the compressor to engage the incoming signal at a speed of 20 to 75 mS with the attack knob. You can also set the compressor to disengage a signal between a speed of 100 to 2,500 mS via the release knob. By adjusting the threshold, ratio, attack time, and release time you can compress and enhance the dynamic range of the signal so that the quiet sounds and loud sounds are closer to one another in volume. After compressing a signal, you can also use the Portico's gain knob to attenuate or make the signal louder and punchier overall between a range of -6 dB to 20 dB.
As an added feature, the compressor can also function as a limiter when set to a very high ratio, such as 40:1. If the incoming signal exceeded the threshold by 40 dBU, the outgoing signal would exceed the threshold by only 1 dBU. Using the compressor as a limiter prevents the signal from clipping and protects the rest of the equipment in your signal chain.
Product Specs
| 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 |
| Inputs | Selectable 2 x XLR 2 x 1/4" Buss input jack for Portico series Buss outputs |
| Maximum Output Level | Balanced and Floating Transformer Output: +25 dBu |
| 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 |
| 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 |
| Power | Voltage Range: 9 to 18 VDC, 9 W Connector: 0.2 x 0.1" (5.5 X 2.5 mm) DC jack, center positive |
| 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 |
| Dimensions (W x H x D) | 1.75 x 9 x 8.5" (4.4 x 22.9 x 21.6 cm) |
| Weight | 8 lb (3.6 kg) |
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