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2-Channel Tube Mic PreAmplifier

  • ART Pro MPA II 2
£373.00 Inc VAT
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Quick Overview

ART Pro MPA II is a 2-Channel Tube Mic PreAmplifier with Variable Input Impedance.

  • Description
  • Additional Information

ART Pro MPA II Product Description

The new ART ProMPA II is the next generation in affordable high performance microphone preamp technology. Each microphone input circuit, with selectable 48v phantom power, features variable input impedance which can radically vary the overall performance of any high quality dynamic or ribbon microphone. The ProMPA II can be configured for dual mono or stereo operation with selectable mid/side mic support, summing the adjacent channel, to decode left/right signals.

The ProMPA II can operate at either a low or high plate voltage on the two integrated hand-selected 12AX7 tubes for wider variation of preamp tone and performance. Large back-lit analog VU output meters display output levels while multi-colored LED arrays show tube gain.

Housed in a standard 2u space rack-mountable steel chassis, with CNC routed black anodized aluminum face panel, the ProMPA II is designed to deliver years of reliable operation in the studio, production facility, or on the road for live sound reinforcement.


  • Variable Input Impedance For Flexible Microphone Voicing (150 Ohms To 2400 Ohms)
  • Selectable Plate Voltage
  • Large VU Meters
  • Backlit Function Switches
  • Discrete Class-A Input Microphone Preamplifier
  • Low Noise at Lower Gain Settings
  • Extremely Low Total Harmonic Distortion (THD)
  • Wide Frequency Response
  • Additional Front Mounted Instrument Input Jack
  • Supports Mid/Side Miking Technique
  • Operates at +4dbm/-10dbv Output
  • Selectable Stereo/Dual Operation of Output Controls
  • Automatic Instrument Input Selection

Technical Specifications

  • Frequency Response 15Hz to 48kHz (+0, -1dB) @ normal plate voltage
  • 15Hz to 120kHz (+0, -1dB) @ high plate voltage
  • Total Harmonic Distortion <0.005% (typical)
  • CMRR > 90dB
  • Dynamic Range > 110dB ("A" weighted)
  • Equivalent Input Noise -129dBu (XLR, "A" weighted)
  • Input Impedance 150-3000 Ohms adjustable (XLR), > 800K Ohms (Instrument)
  • Maximum Gain 75dB
  • Maximum Input Level +19dBu (cannon)
  • Maximum Instrument Input +17dBu
  • Maximum Output Level +27dBu (XLR)
  • Output Impedance
  • Meter Calibration 0 VU = +4dBu outupt (+4dB mode) / 0 VU = -10dBV output (-10dB mode)
  • High Pass Filter Single pole, 10-200 Hz adjustable
  • Power Requirements USA - 105 to 125 VAC / 60 Hz Export units configured for country of destination
  • Dimensions 8.75"D x 19.0"W x 3.50" H (222mm x 482mm x 88mm)
  • Weight 10.5 lbs (4.5 kg)

ART Pro MPA II Additional Information

Brand ART
Condition New
EAN 00840402018360