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Average Price: $4,637
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$100
$501+
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Based on price data from 4 merchants for "Tube-Tech CL 2a". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
For those seeking an evolution in studio compression, the Tube-Tech CL 2a offers a seamless blend of vintage charm and modern precision. Designed by industry pioneer John G. Petersen, this dual mono tube compressor is the two-channel successor to the classic CL 1B, maintaining its legacy of velvety-smooth, musical compression. Perfect for both studio novices and seasoned engineers, its intuitive controls allow easy adjustment of ratio, threshold, attack, and release settings, ensuring you achieve the ideal tonal balance without second-guessing your choices.
What sets the CL 2a apart is its commitment to transparency—apply significant compression with virtually no audible artifacts. This makes it a favorite for diverse applications, from rap vocals to delicate acoustic strings, ensuring your tracks sit perfectly in the mix while retaining their original clarity. The compressor’s unique low distortion gain-reduction element works wonders without coloring the sound, embodying the essence of subtlety and finesse. Whether you're working on a single vocal line or mastering a complete stereo bus, the CL 2a is your go-to processor for maintaining that polished, professional sound.
Key Features:
- Optical gain reduction element
- Channels for linkable stereo operation
- Dual VU meters for output level or compression indication
- Adjustable output level
- Frequency response: 5 - 60,000 Hz
- Noise-free bypass via relay
- Gold-plated switches
- Conductive plastic potentiometer
- XLR balanced inputs and outputs
- Variable attack and release time
- Gain range: Off to +30dB
- Low noise: < -75dBu @30dB gain
Product specs
| Type | Optical |
| Number of Channels | 2 |
| Frequency Response | 5Hz-60kHz |
| Inputs | 2 x XLR |
| Outputs | 2 x XLR |
| Sidechain I/O | 2 x 1/4" |
| Rack Spaces | 2U |
| Height | 3.5" |
| Depth | 8.1" |
| Width | 19" |
| Weight | 12.8 lbs. |
FAQs
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What type of compression does the Tube-Tech CL 2a use?
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The Tube-Tech CL 2a utilizes an optical gain reduction element, which provides smooth and musical compression often favored for vocals and acoustic instruments.
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Can the Tube-Tech CL 2a be used for stereo applications?
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Yes, the Tube-Tech CL 2a is linkable for stereo applications, making it suitable for processing stereo tracks or mixes.
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What are the input and output connections on the Tube-Tech CL 2a?
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The Tube-Tech CL 2a features 2 x XLR inputs and 2 x XLR outputs, ensuring high-quality, balanced connections for professional studio setups.
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Does the Tube-Tech CL 2a have sidechain capabilities?
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Yes, the Tube-Tech CL 2a includes two sidechain I/O connections that allow for external signal processing and advanced compression techniques.
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What is the frequency response range of the Tube-Tech CL 2a?
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The Tube-Tech CL 2a has a frequency response range of 5Hz to 60kHz, providing a wide bandwidth that captures a broad spectrum of audio frequencies.
Videos
TUBE-TECH, LYDKRAFT
Stereo compressor TUBE-TECH CL 2A. All Tube based.
Reviews
4.0 out of 5
Based on 0 Reviews and 1 Rating
Artist usage
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In the interview titled "How ‘Eastside’ Accidentally Turned Benny Blanco Into a Superstar" by Daniel Wall on YouTube, Benny Blanco's equipment rack is seen in the background, which includes the Tube-Tech CL 2A. It is identifiable by its double meters, distinguishing it from the CL 1B, confirming the use of the Tube-Tech CL 2A stereo compressor.
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Tube-Tech CL 2a, it is most commonly used with the following gear.
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