ART Digital MPAII Microphone Preamplifier

    The all new ART Digital MPA-II delivers all of the same great features of the ProMPA with the added versatility of digital output.
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    Web Item #ARTDIGITALMPAII

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    Product Description

    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.

    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

    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 in. 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.

    Technical Description

    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 (HxWxD): 3.50 x 19.0 x 8.75 in.

    Dimensions (HxWxD): 88 x 482 x 222 mm

    Weight: (lb/kg) 10.5 / 4.7

    ART Digital MPAII Microphone Preamplifier Reviews

     

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