TUBE-TECH CL1B

Vocal Compressor

CL1B

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The TUBE-TECH CL 1B Compressor is an optical, all tube based compressor.
The unit features a gain-reduction element, positioned immediately after the input transformer. It is controlled by the sidechain amplifier, which also contain the two time control circuits – one for fixed and one for variable Attack/Release. The two time-controllers can either be used separately or combined. This circuit contains semiconductor OP-amps for the entire control.A dedicated Bus selector with three positions (Off, Bus 1, Bus 2) is used whenever you want to link several compressors together.

The gain-reduction element is followed by a tube-based push-pull amplifier with variable gain up to 30 dB. Input and output transformers have a static-screen between the primary and secondary wirings. Both Input and Output are balanced as well as fully floating.

Technical Features

  • Unique, low-distortion optical gain reduction element
  • All-tube based push-pull amplifier
  • Frequency response @ -3 dB: 5 Hz to 25 kHz
  • Low noise: < -75 dBU @ 30 dB gain
  • CMRR: > 60 dB @ 10 kHz
  • Variable ratio from 2:1 to 10:1
  • Continuously variable attack and release times
  • Output gain: Off to +30 dBU
  • Variable threshold: Off to -40 dBU
  • Input impedance: 600Ω
  • Interconnection of several compressors via two busses
  • VU meter shows input, compression or output
  • Clickless In/Out switch
  • Conductive plastic potentiometers
  • Input and output are transformer balanced and fully floating

Media

Datasheet (920.95 KB)
Manual (44.54 KB)

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