MP 1A mic preamp, EQ 1A active EQ and CL 2A compressor in one powerful, 2U recording channel strip, delivering the same characteristic full and warm, yet open and transparent sound associated with Tube-Tech designs." />

The MEC 1A is an all-tube mono recording channel, combining the classic TUBE-TECH designs:
MP 1A mic preamp, EQ 1A active EQ and CL 2A compressor in one powerful, 2U recording channel strip, delivering the same characteristic full and warm, yet open and transparent sound associated with Tube-Tech designs.

The TUBE-TECH MEC 1A Recording Channel is a one channel recording unit,
featuring a microphone preamplifier equalizer and compressor. At the heart of the shelving and bell filters you will find a tube operational amplifier.

The MEC 1A is all tube based except for the power supply. Input and Output have fully floating transformers. 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

EQ
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

Compressor
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

General:

Freq. response @-3 dB: 5 Hz - 60 kHz
Low noise: < -85 dBU @ 10 dB gain
CMRR: > 60 dB @ 10 kHz
Output gain: Off to +10 dB
Clickless swap relay (EQ <-> comp)
Separate in/out switch per section
Conductive plastic potentiometers
Gold plated switches
Fully regulated power supply with torodial transformer
All-tube design (except PSU & sidechain circuit)
In- and output are transformer balanced and fully floating

Microphone preamplifier:

Gain: +20 to +70 dB (DI:10-60 dB)
Input impedance: > 1.2 kΩ
+48V phantom power, phase reverse, -20 dB pad, low cut
DI input impedance > 1 MΩ

Equalizer:

Active, tube based equalizer
Three bands
6 low shelving frequencies
6 high shelving frequencies
Bell-type Mid with 12 selectable frequencies & variable Q

Opto Compressor:

Low distortion optical gain reduction element
Ratio: 1.5:1 to 10:1
Variable attack and release
VU meter shows output or compression
Linkable for stereo applications

The Gear Rack

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