Classic Leveling Amplifier with Vacuum Tubes, Optical Attenuator and Midas Transformers

2A-KT

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  • Classic tube compressor/leveling amplifier modeled after the iconic Teletronix LA-2A*
  • Completely discrete signal path
  • Premium selection 12AX7, 12BH7 and EL84 tubes
  • Lag-free optical attenuator based on original electroluminescent technology
  • Custom-built Midas input and output transformers
  • Frequency Response: 10 Hz to 20 kHz, +/- 1 dB
  • Gain Limiting: 0 to 30 dB
  • Ultra-fast attack time: 10 milliseconds
  • Release time: 50 milliseconds to 5 seconds
  • Adjustable stereo-link connection
  • Variable pre-emphasis for digital audio recording and broadcasting transmission
  • Vintage-style meter features gain reduction and output
  • Transformer balanced inputs and outputs on Neutrik* XLR connectors
  • Rugged 2U rackmount chassis for durability in portable applications
  • Auto-ranging universal switch-mode power supply
  • Designed and engineered in the U.K.

Audio Input

Type

XLR, 1/4" TRS, transformer balanced

Impedance

600 Ω, balanced and unbalanced

Maximum input level

+20 dBu, balanced and unbalanced

CMRR at 1 kHz

Typically -80 dB

Audio Output

Type

XLR, 1/4" TRS, transformer balanced

Impedance

70 Ω, balanced and unbalanced

Maximum output level

+18 dBu, balanced and unbalanced

System Specifications

Frequency response

10 Hz to 20 kHz, ±1 dB

Noise at unity gain

-87 dBu, unweighted, 20 Hz to 20 kHz

THD at unity gain 0 dBu Typically <0.1% 20 Hz to 20 kHz

Typically <0.1% 20 Hz to 20 kHz

Compressor

Attack time

Typically 10 ms

Release time

Typically 50 ms for 50% release, up to 5 s for full release

Maximum output gain

+30 db

Maximum peak reduction

-30 db

Tube types

2x 12AX7, 1x 12BH7, 1x EL84

Meter settings

Gain Reduction, +4 output, +10 output

Power Supply

Mains voltage

100 - 240 V~, 50/60 Hz

Power consumption

30 W

Fuse

T1AH 250 V

Mains connection

Standard IEC receptacle

Physical

Dimensions (HxWxD)

88 x 483 x 158 mm (3.5 x 19 x 6.2")

Weight

2.9 kg (6.4 lbs)


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