TUBE-TECH MMC 1A Microphone Preamplifier and Compressor

TUBE-TECH MMC 1A - Single Channel Tube Microphone Preamplifier with Multi-Band Optical Compressor

TUBE-TECH MMC 1A - Single Channel Tube Microphone Preamplifier with Multi-Band Optical Compressor

B&H # TUMMC1A MFR # MMC1A
TUBE-TECH MMC 1A Microphone Preamplifier and Compressor

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Overview
  • 1Description

The MMC 1A from Tube Tech is a single channel recording solution, designed as a front end for any recording medium. The unit consists of a tube based microphone preamplifier with switchable loading impedance, phantom power, phase reversal and a -20dB pad.

The microphone input and output are balanced and have fully floating transformers with a static screen. The separate line input is unbalanced but an optional transformer is available. It also includes an additional direct instrument input and all inputs are equipped with a low-cut filter.

The three-band optical compressor is designed to maintain optimum summing of all three bands with flat frequency response. Two crossover filters allow for the tailoring of the three bands which are fed to three separate side chain circuits. After processing, the signals are fed to a gain control, separate for each band and then summed and send to the output gain, which controls the entire output level for all three bands.

A bypass switch shorts out the whole compressor. The power supply and the side-chain circuits are based on a solid state circuit. With the exception of the output stage all DC voltages are stabilized.

Tube based microphone preamplifier
Selectable microphone impedance
Phantom power, phase reversal and 20dB pad
Separate line input and high impedance direct input (DI)
Switchable low cut filter on all inputs
Three-band compressor with optical gain reduction elements and continuously variable threshold, attack and release
Variable cross-over frequencies
LED ladders display gain reduction for each band
In the Box
TUBE-TECH MMC 1A - Single Channel Tube Microphone Preamplifier with Multi-Band Optical Compressor
  • AC Power Cable
  • One (1) Year Warranty
  • Table of Contents
    • 1Description
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    Specifications
    Number of Channels Single
    Inputs 1 x XLR Microphone
    1 x XLR Line
    1 x 1/4" TS phone Instrument (front panel)
    Outputs 1 x XLR
    Frequency Response 5Hz to 50kHz @ -3dB
    Noise Mic: <-80dBu, 22Hz to 22kHz @ +20dB
    Line: <-80dBu, 22Hz to 22kHz @ 0dB
    DI: <-80dBu, 22Hz to 22kHz @ 0dB
    Preamp
    Gain Range +10dB to +70dB
    Maximum Output +26dBu
    Input Impedance 600/1200/2400 Ω
    Phantom Power 48V
    Compressor
    Threshold Range Off to 20dBu
    Ratio 1.5:1 to 10:1, variable
    Attack Time 3 mSec to 200 mSec
    Release Time 60 mSec to 2 S
    Slope Not specified by manufacturer
    Sidechain No
    Equalizer
    Filter Type Low pass
    Frequency Bands 20Hz (12dB per 8ve) and 40Hz (6dB per 8ve)
    Bandwidth Not applicable
    Range (Boost/Cut) Not applicable
    Light Indication
    Threshold Range Not applicable
    Ratio Not applicable
    Attack Time Not applicable
    De-Esser
    Threshold Range Not applicable
    Frequency Range Not applicable
    Gate
    Gate Threshold Not applicable
    Gate Rate Not applicable
    Physical
    Dimensions (WxDxH) 19" x 8 1/8" x 3 1/2"
    Weight 9.5 lbs
    Specialties Variable crossover frequencies for the multi-band optical compressor

    TUBE-TECH MMC 1A Microphone Preamplifier and Compressor Review

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