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A-Designs - MP-2A - Stereo Tube Microphone Preamplifier

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A-Designs Audio - MP-2A - Stereo Tube Microphone Preamplifier
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A Designs Audio is proud to introduce the newest in its highly acclaimed series of All Tube Microphone Pre-amplifiers!

The MP-2A is a true tube-in, tube-out stereo microphone pre-amplifier based on the celebrated MP-2 from A-Designs Audio.

The new “A” series has many modifications incorporated from the original MP Series. Some of the newer features include a -20dB Pad Switch, selectable tone switches, which allows you to create 4 different tones per channel. Also, the new output gain standard of the MP1-A and MP-2A Series is now 60 dB! Perfect for the new generation of Ribbon Microphones.

Utilizing world class input transformers by Jensen and custom designed output transformers for the lowest noise level and highest quality sound, the MP-2A brings the warmth and richness of analog to your recordings while maintaining a crystal clear spectrum of sound. The MP-2 is a professional class preamp for use on a variety of sources, and includes rear panel instrument and front panel line level inputs.

It delivers warmth, transparency, and a quality sound with a clean and airy high end like only a high quality all-tube pre-amp can.

User Comments on the original A-Designs MP-2

  • "Stunning sound quality with serious bass response and a warm, airy top"
  • "Adding the MP-2 to my Direct-to-Disk DAW was like finding the holy grail of warm analog sound. I use it on everything from bass to guitars to vocals to drum mics and more. Absolutely incredible."
  • "Few pieces of gear get serious audio hounds salivating like a nice, juicy tube microphone preamp…[The A Designs MP2] is [among] the cream of the crop"


  • All True Tube Design
  • Dual EF86 Input Tubes
  • Dual 6N1P Output Tubes
  • Dual Jensen Input Transformers
  • Dual Custom Wound Output Transformers
  • Dual VU Meters
  • Dual Level Controls
  • Dual -20dB Pad Switch
  • Dual Polarity Switch
  • Dual Phase Switches
  • Two pairs of Selectable Tone Switches
  • Custom Milled Face Plate
  • Solid Vented Metal Frame
  • 2U Rack size
  • Toroid Power Transformer
  • Dual XLR Input Connectors
  • Dual XLR Output Connectors
  • Dual 1/4 Inch Direct Injects
  • High Gain (60 dB)


Input Impedance: 1.4k Ohm
Gain Range: 60 dB
Noise (EIN): -128 dB
Mic Phantom Power: 48 Volt, Switchable
Mic Input Phase: 0-180° Switchable
Instrument Jack Input: dual XLR rear plus dual 1/4" front
Input Impedance: Min > 100k Ohm
Balanced Output: dual XLR
Output Impedance: 600 Ohm Switchable to 10k
Maximum Level: +22 dBu
Output: Low-Z, transformer-balanced
Frequency Response: 28 Hz - 60k Hz
Distortion (THD): > .08 @ 1 Khz
Power Requirements: 100/120/230 VAC - 42 Watts
(W x H x D)
19" x 3.5" x 10"
482 x 89 x 254 mm
Weight: 18 lbs. (6.8 kg)
Shipping Weight: 20 lbs (7.7 kg)

Owners Manual PDF 1,104 KB
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A-Designs Audio

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