Klark Teknik KT-2A Single Channel Leveling Amplifier and Compressor

Klark Teknik KT-2A Single Channel Leveling Amplifier and Compressor

Klark Teknik KT-2A Single Channel Leveling Amplifier and Compressor

B&H # KLKT2A MFR # KT-2A
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Product Highlights

  • Single Channel
  • Smooth, Musical Compression
  • Based on Classic LA-2A Design
  • Same Electroluminescent Tech as Original
  • Full Tube Complement
  • Midas Input and Output Transformers
  • Pre-Emphasis Trimmer for Sidechain Path
  • Vintage-Style VU Metering
  • Balanced Connections & Stereo Link Jack
  • Designed and Engineered in the U.K.
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Klark Teknik KT-2A overview

  • 1Description

The Klark Teknik KT-2A is a one-channel hardware compressor based on the prized, iconic Teletronix LA-2A. The original is a tube-based optical compressor that reacts in a nonlinear and musical way to input signal, smoothing out peaks in a largely subtle manner suitable for vocals, acoustic guitars, and other acoustic instruments. The Klark Teknik version draws inspiration from the original, using the same electroluminescent cell and high-quality, discrete components.

A full complement of tubes is utilized in the KT-2A, including 12AX7s, EL84s, and a 12BH7. The pleasant harmonic distortion from these tubes lends warmth to the low end and a silky smoothness to the upper registers. One differentiation over the original is the inclusion of Midas input and output transformers, which are respected for their fidelity in both recording and live situations.

Controls on the unit include an output gain knob, a gain reduction knob, a limit/compress switch, and a pre-emphasis trimmer that affects the frequencies of the compressor's sidechain path. This trimmer makes the compressor less susceptible to higher frequencies, so gain-reduction isn't as reactive to the treble range. No attack and control variables are provided, as is the style with LA-2A emulations. Retro-style VU meters adorn the unit, giving you the ability to monitor gain reduction and various levels of output.

The signal path is balanced, and both XLR and 1/4" phone jacks are provided on the input and output. However, you can use this compressor with unbalanced cables as well. A stereo-linking TRS jack provides the ability to link two KT-2As for stereo processing.

Key Features at a Glance
  • Classic tube compressor/leveling amplifier modeled after the iconic Teletronix LA-2A
  • Completely discrete signal path
  • Tube complement of 12AX7, 12BH7, and EL84 tubes
  • Lag-free optical attenuator based on original electroluminescent technology
  • Custom-built MIDAS input and output transformers
  • Frequency response of 10 Hz to 20 kHz ±1 dB
  • Peak reduction of 0 to 30 dB
  • Fast attack time of around 10 ms
  • Release time between 50 ms to 5 seconds
  • Adjustable stereo-link connection
  • Variable pre-emphasis for digital audio recording and broadcasting transmission
  • Vintage-style meter featuring gain reduction, +10 output, and +4 output
  • Transformer-balanced inputs and outputs on Neutrik XLR connectors
  • Rugged 2 RU rackmount chassis ensuring durability in portable applications
  • Auto-ranging universal switch-mode power supply
  • 10-Year Warranty Program
  • Designed and engineered in the U.K.
UPC: 653341315335
In the Box
Klark Teknik KT-2A Single Channel Leveling Amplifier and Compressor
  • Limited 3-Year Warranty, Extendable to 10 Years Upon Registration
  • Table of Contents
    • 1Description

    Klark Teknik KT-2A specs

    Input
    Type XLR, 1/4" TRS, transformer balanced
    Impedance 600 Ohms, balanced and unbalanced
    Maximum Input Level +20 dBu, balanced and unbalanced
    CMRR -80 dB at 1 kHz, typical
    Audio Output
    Type XLR, 1/4" TRS, transformer balanced
    Impedance 70 Ohms, balanced and unbalanced
    Maximum Output Level +18 dBu, balanced and unbalanced
    System Specifications
    Frequency Response 10 Hz to 20 kHz (±1 dB)
    Noise -87 dBu, unweighted, 20 Hz to 20 kHz (unity gain)
    THD Typically <0.1%, 20 Hz to 20 kHz (unity gain, 0 dBu input level)
    Compressor
    Attack Time Typically 10 ms
    Release Time Typically 50 ms for 50% release, up to 5 seconds for full release
    Maximum Output Gain +30 dB
    Gain Reduction Maximum peak reduction of -30 dB
    Tube Type 2 x 12AX7
    1 x 12BH7
    1 x EL84
    Meter Settings Options Gain reduction, +4 output, +10 output
    Power Supply
    Mains Voltage Approximately 100 to 240 VAC, 50/60 Hz
    Power Consumption 30 W
    Fuse T1AH 250 V
    Connection Standard IEC receptacle
    Physical
    Dimensions (H x W x D) 3.5 x 19 x 6.2" / 88 x 483 x 158 mm
    Weight 6.4 lb / 2.9 kg

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