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Description

The ART Digital MPA-II delivers all of the same great features of the ProMPA with the added versatility of digital output. Like the ProMPA-II, each input circuit has 48v phantom power and features variable input impedance which can radically vary the overall performance of any high quality dynamic or ribbon microphone. The Digital MPA-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 input section of the Digital MPA-II operates at either a low or high plate voltage applied to the two integrated hand-selected 12AX7 tubes for wider variation of preamp tone and performance. Large back-lit analog VU output meters display input or output levels while multi-colored LED arrays, with average or peak hold, show tube gain and digital output levels.

In addition to XLR and 1/4" analog outputs, the Digital MPA-II features a high quality A to D converter which offers digital connectivity on S/PDIF, ADAT, or AES/EBU outputs. A rotary control on the front panel allows selection of format and sample rates from 44.1 to 192 KHz and 16 bit dithering. There is also a push button for, and two wordclock jacks, allowing loop-through.

The Digital MPA-II comes in a standard 2 unit space rack-mountable steel chassis, with CNC routed black anodized aluminum face panel.
Art Digital MPA-II 2-Channel Tube Microphone Preamp with A/D Conversion
Art Digital MPA-II 2-Channel Tube Microphone Preamp with A/D Conversion
Art Digital MPA-II 2-Channel Tube Microphone Preamp with A/D Conversion

Features

  • 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
  • 24-204KHz External sample rate
  • 44.1K, 48K, 88.2K, 96K, 176.4K, 192K Internal sample rates
  • 24/16 bit switchable dithering
  • Wide dynamic range A/D
  • Rotary Encoder for quick selection of sample rate
  • Separate analog and digital output level controls
  • Digital Level LED meters display both Average and Peak level
  • ADAT optical I/O
  • Sync to incoming ADAT data rate
  • Switch selectable optical output (S/PDIF or ADAT)
  • AES/EBU and S/PDIF outputs
  • Two wordclock jacks allowing loop through

Specs

Analog Section:
  • Frequency Response 15Hz to 48 kHz (+0, -1dB) @ normal plate voltage
  • 15Hz to 120 kHz (+0, -1dB) @ high plate voltage
  • Dynamic range: >110dB ("A" weighted)
  • CMRR: >90dB
  • THD: <0.005% (typical)
    Equivalent Input Noise: -129dBu (XLR, "A" weighted)
  • Maximum Input Level: +19dBu (cannon)
  • Maximum Instrument Input: +17dBu
  • Input Impedance: 150-3000 Ohms adjustable (XLR)
  • >800K Ohms (Instrument)
  • Maximum Output Level: +27dBu (XLR)
  • Output Impedance: < 47 Ohms (XLR)
    Maximum Gain: 75dB
  • Meter Calibration: 0 VU = +4dBu output (+4dB mode)
  • 0 VU = -10dBV output (-10dB mode)
  • High Pass Filter: single pole, 10-200 Hz adjustable
Digital Section:
  • A/D Frequency Response:
  • @44.1KHz sample rate: 10Hz to 21.25KHz (+0, -1dB)
  • @88.2KHz sample rate: 10Hz to 42.50KHz (+0, -1dB)
  • @196KHz sample rate: 10Hz to 81KHz (+0, -1dB)
  • A/D Dynamic Range: >112dB "A" weighted (typical)
  • A/D THD: <0.001% @1K (typical)
    A/D Input Sensitivity: +12dBu min
  • A/D Insert Input Impedance: >10K Ohms
  • Power Requirements: USA - 105 to 125 VAC / 60 Hz Export units configured for country of destination
  • Dimensions: (H x W x D in) 3.50 x 19.0 x 8.75
  • Dimensions: (H x W x D mm) 88 x 482 x 222
  • Weight: (lb/kg) 10.5 / 4.7

Reviews

5

3 Reviews

100%

of respondents would recommend this to a friend

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Reviewed by 3 customers

  • buy it if you need it!

    5

    submitted6 years ago

    byi have one you need one

    fromocean park wa

    Great for vocals! Can't wait to test on a harley benton cab when it arrives. The need to change tubes on this beast is because of OCD not sound. I will not be changing them.

  • A breath of fresh air

    5

    submitted15 years ago

    byMichael White aka The Wizard

    fromAlbuquerque,New Mexico

    Just got this pre-amp after doing my home work,looked at DBX, Presouns and all the other ones in and aroynd the price range.I'm running it tru a Carvin 24 BBE, DBX Drive rack+ and Crown XLS and JBL's. There are four singers out of five in the band, I was looking for something to give all the Vocals and all Equip the Drumms have there own mixer and processer the ART adds that warmth and definition to the sound that pushes the vocals out front of the band.And another nice thing is U can dail in yuor mic's as close to the specs as U can get still working with the backup vocals to get them dailed in,but it will come there are alot of oppositions to get U were U got to go.Do your home-work and research and U'll get what U need in the end, Good Hunting!!!

  • DMPA

    5

    submitted16 years ago

    byBrian Petit

    fromChicago, Il

    One sweet sounding Pre. I use my DMPA in conjunction with my MPA II Compressor/Limiter for Vocals, guitars and mastering, and it has yet to let me down. With the Adat/optical SPDIF output I'm able to not only bypass the pres on my mixer, but it also gives me to extra inputs to work with as well. I would definitely recommend this purchase to anybody looking for a solid pre amp in this price range.

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