Tube-Tech CL-1B Opto-Cell Compressor  From Tube-Tech

Tube Opto-Cell Compressor

Tube-Tech

$3,650.00

Retail:  $4,075.00

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Manufacturer's Description from Tube-Tech


Product Description

The TUBE-TECH CL 1B Compressor 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.

The gain-reduction element is followed by a tube-based push-pull amplifier with variable gain up to 30 dB. A dedicated Bus selector with three positions (Off, Bus 1, Bus 2) is used whenever you want to link several compressors together. 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.

Product Features


- Unique low distortion gain-reduction element
- All tube-based push-pull amplifier
- Multiple interconnection of several compressors via two busses
- VU-meter for monitoring input, compression and output
- Continuously variable attack and release time
- Gain Range (off to +30 dB)
- Variable Threshold (off to -40 dBu)
- Frequency response @ -3 dB: 5 Hz to 25 kHz
- Low noise: < -75 dBu @30 dB gain
- Clickless bypass relay

Tube-Tech

About Manufacturer

STATEMENT It is our mission to ensure the engineer has confidence in his working tools and feels comfortable working with them. To achieve this, it is our job to bring out the very best in the tubes, as well as continuously strive to offer the professional audio engineer outboard equipment of sublime quality ? both in terms of sound and reliability. Lydkraft ApS was founded in 1977 by partners John G. Petersen, Niels Wors?e and Karsten Bruun. Originally the core business of the company was PA, which was a successful venture until 1980, when the partnership was cancelled ? and Mr. Petersen decided to take Lydkraft on his own shoulders. The company was relocated to the interimistic surroundings of Mr. Petersens garage.... Mr. Petersen now redefined the business focus of Lydkraft: He terminated the PA business entirely and focused his efforts towards design, development and manufacturing. During this period small production runs of direct boxes, mixing desks and speaker systems were manufactured as well. In the early 80?s, the demand for vintage tube gear was increasing at a rapid pace. But at the same time tube equipment became more and more scarce by the day. The idea of taking on development & manufacturing of recording equipment with tubes came about in 1984. The first tube-based unit bearing the name TUBE-TECH was developed as an almost direct copy of the Pultec EQP 1A. The tubes of TUBE-TECH Program Equalizer PE 1A glowed for the first time in 1985 and the very first shipment containing 30 units stood ready in June 1985. Next in line was the TUBE-TECH PE 1B and TUBE-TECH Midrange Equalizer ME 1A, soon followed by the TUBE-TECH Compressor Limiter CL 1A and the TUBE-TECH Microphone Preamp MP 1A in 1987.

Specifications


Impedance

*Input: 600 ohm

*Output: < 60 ohm

*Frequency response @ -3 dB: 5 Hz to 25 kHz

*Distortion THD+N @ 40 Hz 0 dBu: < 0,15 % ,+10 dBu: < 0,15 %

*Noise:Rg=200 ohm

*Output Gain: @ 0dB +30 dB

*22 Hz-22 kHz: < -85 dBu < -75 dBu

*Max. output @ 1 % THD+N: > +26 dBu

*Gain: off to +30 dB

Compressor

*Ratio: 2:1 to 10:1

*Threshold: off to -40 dBu

*Attack: 0,5 ms to 300 ms

*Release: 0,05 s to 10 s

*Tubes: ECC 82 1 pc, ECC 83 1 pc