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 ART TUBE PAC - Tube Mic Preamp & Compressor

The Tube PAC from ART is a combination of the world’s most popular tube mic/line preamplifier and optical tube compressor. ART engineers took the Tube MP and Tube Compressor and combined them into a single convenient aircraft-quality, extruded aluminum chassis. This new table-top design allows for easy placement in the studio or on the stage with immediate access to all the controls, features, and metering. In addition to being a tremendous vocal and instrument preamplifier and compressor package, this may well be the ultimate in tube direct boxes!

The mic/line preamplifier stage is that of the TEC nominated Tube MP–a time (and studio) proven design. It provides over 70dB of gain, +48v phantom power, phase reversal, and is capable of warming up any instrument or microphone. LED level indicators are provided to monitor the output of a 12AX7a tube for harmonic content. The input level controls allows you to dial in the desired amount of tube warmth and then independently set the output level from the compressor circuitry. The tube compressor is a VCA-less, optical design–similar to that of the “classic” tube compressors. Its ultra-musical sound is ideal for voice and instrument applications. Threshold, compression/limiting ratios, adjustable release times, bypass, gain reduction metering, and output gain controls are provided.


  • Combination Tube Mic/Line Preamplifier and Tube Compressor
  • Two Hand-Selected 12AX7a Vacuum Tubes
  • World Famous A R T Sound
  • Two World-Class Designs in One Chassis: TEC Nominated Tube MP and Optical Tube Compressor
  • The Ultimate Tube DI Box for instruments
  • Fat and Warm Gain with Musical Dynamics Control
  • Precision Detented Potentiometers
  • +48v Phantom Power
  • Bypassable Compressor Circuitry
  • Balanced XLR and Unbalanced 1/4" Inputs and Outputs
  • Internal Transformer
  • Aircraft-Quality Extruded Aluminum Chassis
  • One Year Warranty


Attack Time 6.5ms
CMRR 90dB (typical)
Compression Ratio 2.3:1 (comp) 6:1 (lim)
Dimensions 5.25" D x 8.5" W x 1.65" H
Dynamic Range >90dB (no weighting)
Equivalent Input Noise -129dBu (XLR to XLR, ‘A’ weighted)
Frequency Response 20Hz to 20kHz
Input Impedance 1.67k ohms (XLR), 1M ohm (1/4")
Maximum Gain 67dB (1/4" to 1/4")
Maximum Gain XLR to XLR 70dB
Maximum Input Level +15dBu (XLR), +21dBu (1/4")
Maximum Output Level +27dBu (XLR), +22dBu (1/4")
Output Impedance 600 ohms (XLR), 300 ohms (1/4")
Phantom Power +48v DC (switchable)
Power Requirements 100-125 VAC, 16W (Export units configured for country of destination)
Release Time 200ms (fast), 70ms-1sec (auto)
Total Harmonic Distortion <0.1% (typical)
Tubes Two Hand-Selected 12AX7a
Weight 6.0 lbs

Tube Mic Preamps Series Overview

Pro Dynamic Processors: The Digital MPA™ Solid Gold. A professional microphone preamplifier is defined by warmth, presence and clarity – core elements that make an audio processor desirable. We’ve designed a microphone preamplifier that captures all these elements, with an exceptionally affordable price.Introducing the Digital MPA™ by ART. With features like variable input impedance, selectable plate voltage, dual differential Class A inputs, digital outputs and sample rates up to 192kHz, it is truly a modern day classic.

Tube MP: The World’s Most Popular External Tube Mic Preamp. Whether you’re working with a computer, hard disk or digital multi-track recorder, the Tube MP’s TEC award nominated design will allow you to obtain professional results at an affordable price. ART preamps offer warm tone, useful features, and are innovatively designed. Our line of Tube MP products add presence, clarity and fullness to any signal, and is exceptionally low-noise. Our Tube MP Studio V3™ features V3™ Technology (Variable Valve Voicing), which provides optimized reference points to begin the recording process. V3™ delivers a wide variety of settings designed for various microphones and DI inputs, including guitars, basses, keyboards, synths, electronic drums and much more. Don't settle for a copy-cat lookalike. Go with the real thing - the Tube MP by ART!

Dynamic Tube Processors: TPS & DPS Our ART TPS features two channels of award-winning ART microphone preamplification. The DPS has the same preamplifier design, and adds ART’s critically acclaimed 24 Bit – 96kHz A/D converter – for warm, vibrant and clean digital audio. As with the TPS, the DPS features our V3™, which delivers a wide range of professional sounding presets designed to seamlessly integrate and enhance every microphone, musical instrument and direct signal you process.

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Price:  $319.00   (includes GST)



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