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    ART Digital MPA-II – Two Ch. Mic Pre w/ A/D Conversion

    2 In Stock

    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 a wider variation of preamp tone and performance. Large back-lit analog VU output meters display 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 the 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-word clock 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.

    Key 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 to 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-word clock jacks allowing loop-through


    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 (Omega) adjustable (XLR)

      >800k (Omega) (Instrument)

    • Maximum Output Level: +27dBu (XLR)

    • Output Impedance:: < 47 (Omega) (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 (Omega)

    • 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