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Tube-Tech

collapse expand iconDescription

The Tube-Tech compressor CL 2A is a dual opto compressor with a gain reduction element, which have no long-term degradation and almost infinite life. This element are placed after the input-transformers of the compressors and followed by an all tube-based amplifier with a gain of 0 dB to +10 dB.
Thus the signal is not fed through any semiconductor circuitry on its way to the output.

The amplifier is based on two tubes (dual triodes) in push-pull configuration (one ECC 83 as a differential amplifier, and one ECC 82 as the output stage), and an output transformer. The power supply for the differential amplifiers is stabilized and the heaters of all four tubes are fed with a stabilized DC voltage.
The two amplifiers (including input and output transformer) and the power supplies are placed on one PC-board. Both input and output are balanced and fully floating. The compressors are switched in and out via two relays (click less).
Tube-Tech CL 2A Dual Compressor

collapse expand iconFeatures

  • 2 Channels
  • Optical gain reduction element
  • Linkable for stereo applications
  • Two sidechains
  • Dual VU-meters showing output or compression
  • Conductive plastic potentiometers
  • Gold plated switches
  • Clickless bypass relay
  • Analog Outputs XLR
  • Analog Inputs XLR

collapse expand iconSpecs

  • Frequency-response: 5 Hz - 60 kHz +0/-3 dB
  • Distortion (THD) (40 Hz): 0 dBU: < 0.15 %, 10 dBU: < 0.15 %, maximum output (1 % THD): +26,0 Dbu, maximum input (1 % THD): +21,0 dBU
    Noise: Gain = 0 dB: -80,0 dBU (Unweighted) -70,0 dBU (CCIR 468-3); Gain = +10 dB: -80,0 dBU (Unweighted) -70,0 dBU (CCIR 468-3)
  • Input impedance: 5 kOhms
  • Output impedance: < 60 Ohms
    Compression Ratio (cont. var.): 1,5:1 to 10:1
  • Threshold (cont. var.): -20 dBU to off
  • Gain (cont. var.): off to +10 dB
  • Attack/Release: Manual (FAST/LOW), Fixed
  • Attack: 3mS 60mS 3mS
  • Release: 60mS 2S 60mS
  • Tracking between interconnected compressors: (0 to 20 dB compression): < +/- 1 dB

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5

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Reviewed by 1 customers

  • So smooth,transparent,can't tell it's on.Top of the line!

    5

    submitted7 years ago

    byHec

    fromHouston Texas

    Top notch

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