TUBE-TECH MEC-1A Recording Channel

TUBE-TECH MEC-1A - Tube Based Recording Channel with Microphone Preamp/DI, Three Band EQ and Optical Compressor

TUBE-TECH MEC-1A - Tube Based Recording Channel with Microphone Preamp/DI, Three Band EQ and Optical Compressor


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TUBE-TECH MEC1A overview

  • 1Description

The MEC 1A from Tube Tech is a single channel "Recording Channel" featuring a microphone preamp, equalizer and opto compressor. The unit is all tube based except for the power supply.

MEC 1A features a master output gain control, a VU meter for displaying the output or amount of compression, gold plated switches and conductive plastic potentiometers.

The heart of the shelving and bell filters feature a tube operational amplifier. The input and output have fully floating transformers and all DC voltages are stabilized, except the anode voltage for the output stage.

Microphone Preamp

Consists of a microphone input transformer (with a static screen) and two dual tube preamplifiers, delivering a total gain range of +20dB to +70dB
Switchable -20dB pad, switchable +48V phantom-power and phase reverse
High-pass filter for the microphone and the DI input is switchable between off, 20Hz and 40Hz


Low and high shelving filter with a gain range of +/-15dB, each with six switchable frequencies
Band filter with a gain range of +/-20dB, twelve switchable frequencies and a bandwidth control
The shelving and the bell filters are designed around a dual tube amplifier
Separate EQ-section I/O switch


Optical compressor with controls for ratio, threshold, attack and release
Can be switched between "manual" attack and release and "fixed" attack and release
Linkable for stereo applications
Can be placed pre or post EQ
Separate in/out switch
In the Box
TUBE-TECH MEC-1A - Tube Based Recording Channel with Microphone Preamp/DI, Three Band EQ and Optical Compressor
  • AC Power Cable
  • One (1) Year Warranty
  • Table of Contents
    • 1Description

    TUBE-TECH MEC1A specs

    Number of Channels Single
    Inputs 1 x XLR
    1 x 1/4" TRS Link
    Outputs 1 x XLR
    1 x 1/4" TRS Link
    Frequency Response 15Hz to 80kHz, -3dB
    Noise <-82dBu, gain @ 20dB (22Hz-22kHz)
    Gain Range Mic: 20dB to 70dB
    DI: 10dB to 60dB
    Maximum Output >+26dBu
    Input Impedance Mic preamp: >1.2kΩ
    DI input: 1MΩ
    Phantom Power +48V
    Threshold Range Off to -20dBu
    Ratio 1.5:1 to 10:1
    Attack Time 1 mS to 100 mS
    Release Time 60 mS to 2 S
    Slope Not specified by manufacturer
    Sidechain For linking multiple units only
    Filter Type Low-shelf
    Frequency Bands Low-shelf: 20, 30, 50, 70, 100, 160Hz (stepped)
    Mid-band: 40, 60, 80, 130, 250 and 500Hz and 1, 1.6, 2.5, 4, 7, 10kHz (stepped)
    High-shelf: 4, 6, 8, 12, 18, 26kHz (stepped)
    Bandwidth Mid-band: Continuously variable from sharp to broad
    Range (Boost/Cut) Low-shelf: +/-15dB
    Mid-band: +/-20dB
    High-shelf: +/-15dB
    Light Indication
    Threshold Range Not applicable
    Ratio Not applicable
    Attack Time Not applicable
    Threshold Range Not applicable
    Frequency Range Not applicable
    Gate Threshold Not applicable
    Gate Rate Not applicable
    Dimensions (WxDxH) 19" x 8 1/8" x 3 1/2"
    Weight 12.1 lbs
    Specialties Side-chain circuit allows up to ten compressors to be linked together
    Packaging Info
    Package Weight 15.6 lb
    Box Dimensions (LxWxH) 24.4 x 14.8 x 9.4"

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