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03-5620220

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sales@dandd.co.il

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543 – קומפרסור

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543

מודול קומפרסור מסדרת 500 מתוצרת רופרט ניב מציג שליטה דינמאית אבסולוטית

  • קומפרסיית עם שליטת VCA  Feed-Forward or Feed-Back) )
  • Threshold range: stepless from 36 dB to 22 dB
  • Ratio range: stepless from 1.1: 1 to limit (40: 1)
  • Attack range: stepless from 20 mS to 75 ms
  • Release range: infinitely variable from 100 ms to 2.5 seconds
  • 20dBu Output Level

Rupert Neve Designs 543

THRESHOLD
Sets level where the compressor may begin to react from -30 dB to 20 dB. Minimal or no compression is with this control fully clockwise and it gets more sensitive and tends to cause more gain reduction as the knob is rotated counter-clockwise (which may be counter-intuitive to some).

RATIO
Sets the “slope” of the compression from 1.1:1 (minimal) to 40:1 (Limit) . For example, if set for 3:1 and the input signal rises by 3dB, the output signal will only rise by 1dB. In general, low ratios can not damage the music as much as high ratios but high ratios may be more useful to minimize clipping and OL lights in the recorder.

COMP IN
Engages the compressor section of the unit.

F/F F/B
These are two very different compressor modes, FEED FORWARD and FEED BACK. The F/B mode (button in) tends to sound smoother and often more natural and tends to be quicker to set up. The F/F mode can be more useful for shaping the envelope of the sound and introducing more bounce and pumping in time with the song, when that is the goal.

GAIN
Continuously variable from -6 dB to 20 dB.

ATTACK
This sets how quickly the compressor reacts and starts attenuating. Continuously variable from 20mS to 75mS.

RELEASE
This sets how fast the compressor returns back to zero after attenuating. Typically engineers use slower release times when the intention is to minimize any obvious compressor action or gains changing. Continuously variable from 100mS to 2.5 Seconds.

RMS/PEAK
This changes the compressor from essentially responding to the RMS level of the audio to also responding to the PEAK level. RMS (root mean squared) circuits are considered to better mimic the way the ears perceive apparent loudness, while Peak circuits tend to directly respond to the waveform voltage which may be more of a concern for prevention of clipping and maximizing levels.

SIDECHAIN HPF
This routes a high pass filter set to 250 Hz into the circuit that the compressor uses to determine level. Note that the rest of the circuit and output will not have those lows filtered out – this only determines the portion of the signal that is affected by the compressor. This is very useful when you want your low frequency content to come through unaffected while still compressing the mids and highs.

LINK
When link buss is provided by the 500 series rack, this can be used to link the reduction of two 543 units together.

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