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ART Digital MPA II Tube Microphone Preamplifier
  • ART Digital MPA II Tube Microphone Preamplifier
  • ART Digital MPA II Tube Microphone Preamplifier
  • ART Digital MPA II Tube Microphone Preamplifier
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ART Digital MPA II Tube Microphone Preamplifier



List Price:$539.00
Our Price:$399.00

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Availability: Direct Ship From Manufacturer
Item ships directly from the manufacturer. Normal delivery time is 2-7 business days and is subject to manufacturer availability. Need it sooner? Call 800-522-2025, or email Customer Service for expedited delivery options.
  • 2 - 7 Day Normal Delivery Time - Faster Shipping Options at Checkout or Call Us.



The all new 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 2u space rack-mountable steel chassis, with CNC routed black anodized aluminum face panel.

  • 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
  • Specifications

    • 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) greater than 800K Ohms (Instrument)
    • Maximum Output Level: +27dBu (XLR)
    • Output Impedance:: less than 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: (HxWxD in) 3.50 x 19.0 x 8.75
    • Dimensions: (HxWxD mm) 88 x 482x 222
    • Weight: (lb/kg) 10.5 / 4.7

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