The control circuit is on a PCB in both units. In the CL 1B the transformers and the tubes are placed inside the unit on a printed circuit board.The amplifier section in the CL 1A is hardwired. Thread Thread Shank (Shank) Thickness In Sheet C E T Hole CL SizeAluminumCode Max.(1).003 -.000 Max. The circuit and functions are exactly the same. M6 x 1 CLA M6 2 2.212.3 8.758.7311.184.088.6 (See drawing at top of page 4) All dimensions are in inches.Input and output are transformer balanced and fully floatingДЇAQ: Opto Compressors CL 1A and CL 1B difference.VU meter shows input, compression or output.Interconnection of several compressors via two busses.Continuously variable attack and release times.Frequency response -3 dB: 5 Hz to 25 kHz.Unique, low-distortion optical gain reduction element.Expert and co-host Dr Justin Coulson reveals the challenge was to test how far we should push our children and the kids are clearly elated after they take the leap. Both Input and Output are balanced as well as fully floating. But Leo pastes a big grin on his face and summons his nerve to leap into the pool, paddling over to his mum, who is waiting for him in the water. Input and output transformers have a static-screen between the primary and secondary wirings. The gain-reduction element is followed by a tube-based push-pull amplifier with variable gain up to 30 dB. 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 two time-controllers can either be used separately or combined. It is controlled by the sidechain amplifier, which also contain the two time control circuits вЂ“ one for fixed and one for variable Attack/Release. The unit features a gain-reduction element, positioned immediately after the input transformer. The TUBE-TECH CL 1B Compressor is an optical, all tube based compressor. As an example, itвЂ™s well known secret that all the big Hip Hop / Rap stars depend heavily on the CL1B for their vocal performance. The number of hit records featuring the CL1B is countless and the rule is that the majority of all top singers and musicians demands the CL1B for their recordings regardless of the genre they perform. With thousands of units sold, the CL 1B is by far the most successful TUBE-TECH device to date, and its distinctive sound can be heard on countless legendary recordings. The CL1B is VERY easy to use just dial in what you need! YouвЂ™ll hear and feel the action immediately and donвЂ™t have to doubt whether the setting works, itвЂ™s always obvious. Furthermore, the operation is very intuitive, enabling you to achieve your goal achieve your goal quickly and easily.Д¬L1B is by far the most popular TUBE-TECH unit, and this is not without a reason: For vocals and instruments like guitar bass and keys (regardless of musical genre) the CL1B delivers extremely musical and smooth compression, just whatвЂ™s needed to make the track fit into your mix without any muddiness or distortion, even at very extreme settings. It delivers a very musical and smooth compression, preserving the clarity of the source even at extreme settings, and this is where CL 1B really stands out compared to other compressors. The TUBE-TECH CL 1B is an all-tube optical mono compressor. CL1B: The Industry Standard Vocal Compressor!

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