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

Product #73164 | SKU 2AKT | Klark Teknik
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Features

  • Single Channel
  • Smooth, Musical Compression
  • Based on Classic LA-2A Design
  • Same Electroluminescent Tech as Original
  • Full Tube Complement

Description

The Klark Teknik 2AKTSingle Channel Leveling Amplifier and Compressor* is a one-channel hardware compressor based on the prised, 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 utilised in the 2AKT, 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 metres 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 2AKTs for stereo processing.

Key Features:

  • Classic tube compressor/levelling amplifier modelled 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 metre 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 Programme
  • Designed and engineered in the U.K.

Specifications

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
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
Metre 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

In The Box

  • Klark Teknik KT-2A Single Channel Levelling Amplifier and Compressor

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Details

  • Product: Klark Teknik 2A-KT Single Channel Leveling Amplifier and Compressor
  • Manufacturer: Klark Teknik
  • Model: 2AKT
  • SKU: 2AKT
  • RM Product #: 73164
  • Warranty: 10 year manufacturer warranty

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