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Art Pro Audio Tube MP/C Professional Tube PreAmp/Opto Compressor-Limiter/DI

SKU: APATUBEMPC MFR: TUBEMP/C
$175.99
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Key Features

  • Achieve pristine sound with this professional tube preamp and compressor-limiter.
  • Enhance vocals & instruments using the Tube MP/C's wide gain range for optimal recording.
  • Utilize as a DI box; enjoy balanced XLR & 1/4" connectivity for versatile applications.
  • Experience warm, classic tube tone with hand-selected 12AX7a tube for rich sound.
  • Reduce unwanted noise with an ultra-low noise preamp, ensuring clean, clear audio.
  • Shape your sound with precision; compressor offers both limiting and compression modes.
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Special Order?Estimated to Ship: 09/07/2025
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Art Pro Audio Tube MP/C Specifications

  • Frequency Response

    30 Hz - 60 kHz +/- 1 dB balanced output, 20 Hz - 60 kHz +/- 1dB 1/4" output

  • Total Harmonic Distortion

    <0.1% @ max gain

  • CMMR

    > 60 dB @ max gain

  • Equivalent Input Noise

    -128dBu typical ("A" wtd., Shorted XLR balanced input, gain @ max)

  • Input Impedance

    1M Ohm 1/4" input, 5K Ohm XLR input

  • Input/Output Connections

    Input: XLR balanced or 1/4" balanced
    Output: 1/4" unbalanced XLR balanced, transformer isolated.

  • Maximum Gain

    +80 dB (balanced in-out, +64dB (unbalanced input, balanced output)

  • Maximum Input Level

    unbalanced (Inst): +15 dBu, balanced (mic): +10 dBu

  • Maximum Output Level

    +19 dBu (Line mode)

  • Output Impedance

    XLR: <600 Ohm, 1/4": <300 Ohm

  • Low Cut Filter

    -3 dB @ 70 Hz, 6dB/Octave

  • Phantom Power

    Switch selectable, +48Volts DC, filtered, current limited

  • Chassis Type

    All aluminum black anodized with integral rubber sides

  • Power Requirements

    9VAC @ 1000mA (external)

  • Attack Time

    <1 ms (limit), 20 ms (comp.)

  • Release Time

    150ms (fast), 20ms - 3s Program dependant (Auto)

  • Tube Type

    Hand selected 12AX7a

  • Compressor Slope

    2:1 (Comp.) / 11:1 (Limit)

  • Dimensions (H x W x D)

    1.75 x 5.9 x 6.5" (44.5 x 150 x 165mm)

  • Weight

    2.9 lbs (1.32kg)

  • UPC Code

    840402049302

About Art Pro Audio Tube MP/C

For professionals in the field of audio engineering and recording, the Tube MP/C Professional Tube PreAmp/Opto Compressor-Limiter/DI is an indispensable tool. This versatile device combines two independent circuits - a tube-based analog preamplifier and a VCA-less compressor with optical gain reduction control - into a single, compact desktop chassis.

Whether used as a mic/line preamp or as a DI (direct) box, the Tube MP/C is engineered to integrate flawlessly with any recording, sound-reinforcement, or electronic instrument setup. The hybrid circuitry of the Tube MP/C, a signature feature of A R T's design, employs the latest advancements in both solid-state and tube technology.

The preamplifier's active balanced solid-state input is designed to deliver exceptionally low noise and superior common mode rejection. Its 1/4-inch high impedance input ensures no loading of any connected device, making the Tube MP/C an ideal choice for DI or line level applications.

The second stage of the preamplifier features a 12AX7a tube that operates on a regulated DC voltage, providing an additional 20dB of gain. The compressor circuit, devoid of a VCA, utilizes optical electronics (Vactrol) in conjunction with a 12AX7a vacuum tube gain stage, ensuring unparalleled musical performance.

For added convenience, an optional ART SM1 stand mount is available, allowing secure attachment of the Tube MP/C to any microphone stand for live stage or studio applications. Enhance your audio experience with the Tube MP/C Professional Tube PreAmp/Opto Compressor-Limiter/DI, a perfect blend of advanced technology and practical design.

Art Pro Audio Tube MP/C Features

  • Tube-based mic/line preamplifier with up to 80 dB of gain
  • Hand-selected 12AX7a tube
  • Optical (VCA-less) compressor circuitry = transparent dynamics control
  • 1/4-inch unbalanced inputs and outputs
  • XLR balanced inputs and outputs
  • Transformer isolated XLR output
  • Selectable output range for Line/Instrument interface levels
  • LED meters for Tube Warmth, Gain Reduction and Output level
  • +48V phantom power
  • Phase reversal switch
  • Selectable release time settings
  • > 90dB dynamic range
  • Custom extruded aluminum chassis

Warranty Information

This product has a limited warranty of 36 months.

Product Documents

User Manual

Key Features

  • Achieve pristine sound with this professional tube preamp and compressor-limiter.
  • Enhance vocals & instruments using the Tube MP/C's wide gain range for optimal recording.
  • Utilize as a DI box; enjoy balanced XLR & 1/4" connectivity for versatile applications.
  • Experience warm, classic tube tone with hand-selected 12AX7a tube for rich sound.
  • Reduce unwanted noise with an ultra-low noise preamp, ensuring clean, clear audio.
  • Shape your sound with precision; compressor offers both limiting and compression modes.

What's in the box:

  • Tube MP/C Professional Tube PreAmp/Opto Compressor-Limiter/DI
  • External Power Supply
  • Art Pro Audio 3 Year Limited Warranty