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Dual Mono/Stereo Compressor/Limiter with Expander/Gate and De-Esser

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The S com plus is a dual mono/stereo compressor designed to control signal levels in a variety of applications. The units logical design and layout make it simple to understand and easy to use. It offers distortion free audio with a predictable, usable range of control, whose effects range from undetectable to clearly identifiable.

Each channel of the S com plus combines an expander/gate, compressor/limiter, enhancer and an adjustable de-esser with an independent LED meter. The compressor/limiter controls include threshold, ratio, attack, release and output. Or the user can switch to an auto function, which continuously analyzes the audio input and automatically adjusts the attack and release parameters based on the changing level. The de-esser improves audio quality by removing sibilance from vocals, or the "sizzle" from overly bright signal sources such as cymbals. The enhancer switch engages the EFR (Enhanced Frequency Recovery) circuit, which restores high frequencies that are sometimes diminished by heavy compression.

A peak limiter with threshold control protects against clipping in the subsequent audio chain. The expander/gate features a variable threshold control and switchable (fast/slow) release time. The gate's operation is easily visible with twin LEDs. A Spectra switch on the S com plus enables a special circuit for high frequency contouring. Key input and key listen features provide for external triggering, or dynamically processing signals.

  • Dual mono/stereo compression/limiting with expander/gates, enhancer and de-esser
  • Full control over compression threshold, ratio, attack and release

Auto Envelope Generator

Selectable AEG mode constantly adjusts the compressors attack and release times based on the program material

Smart Knee Detector

SKD circuit switches from soft to hard knee based on the level of input signal applied

  • Peak limiter with independent threshold control and peak LED
  • Expander/Gate with variable threshold control and switchable fast/slow release
  • Adjustable de-esser with independent LED meter for reducing sibilance
  • Spectral processing can be accomplished using the sidechain inputs and outputs
  • 12 segment LED meters for input/output and gain reduction
  • LED's on the gate show gate position open or closed
  • Link button allows for the true stereo link operation


Function : Compressor/Limiter, Gate and De-Esser

Number of Channels: 2

Inputs: 2 x XLR, 2 x 1/4" TRS phone
2 x 1/4" TS phone Sidechain

Output: 2 x XLR, 2 x 1/4" TRS phone
2 x 1/4" TS phone Sidechain

Maximum Input Level: +21dBu

Compression Threshold: -40dBu to +20dBu

Compression Ratio: 1:1 to infinity:1, variable

Attack Time: 0.03ms to 300ms

Release Time: 0.5ms to 5 Sec

Gate Threshold: Off to +10dB

Gate Rate : Attack: <1ms per 50dB

Release: Fast or Slow

Maximum Output Level: +21dBu

Make-up Gain: -20dB to +20dB

Frequency Response: 10Hz to 20kHz

Dynamic Range: 116dBu

Dimensions: 1U rack mount, 7 3/4" deep

Specialties: Unit will operate at either +4dB or -10 dB, switchable

Samson S Com Plus
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