Rupert neve design 543 Mono Compressor / Limiter - 500 series
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.
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.
Maximum Output Level: Balanced and Floating Transformer Output
Maximum output from 20 Hz to 40 kHz is +23 dBu.
Total Harmonic Distortion and Noise: @ 1kHz, +20 dBu output level, no load.
Main Output, compressor bypassed Better than 0.0006%.
Main Output, compressor engaged Better than 0.02%
Noise: Measured at Main Output, un-weighted, 22Hz-22kHz, Terminated 40 Ohms.
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
@ 18 Hz, +/- .1dB
@ 150 kHz -3 dB.
Crosstalk
Measured Channel to Channel: Better than 90 dB @ 15kHz.
METERS:
Monitor INPUT LEVEL and GAIN REDUCTION
Ref. Euroguitar : 77414