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    ART Solo MPA Multi-Voice Tube Preamplifier

     The Solo MPA Multi-Voice Tube Preamplifier allows users to blend between a pristine low-noise/low-distortion solid-state transistor circuit and a warmer Class-A tube mic preamp.

    The flexible EQ controls allow users to voice the Solo MPA to create their signature sound. Featuring 48V phantom power and a variable input impedance control, users can tailor the Solo MPA to suit their microphone of choice, be it a high-quality dynamic, a studio-grade condenser, or a low-level ribbon

    The Solo Series of single-channel rackmount units have been developed for the recording enthusiast with a preference for simplicity.

    Key Features

    • Adjustable input impedance (600 to 80K ohms)
    • Hand selected 12AX7 tube
    • Flexible Tilt EQ
    • Tunable Lowcut Filter
    • Variable Voice Tube/Solid State Control
    • Front accessible meter trim
    • Discrete class A FET input microphone preamplifier
    • Low THD
    • Wide frequency response
    • Front mounted Instrument/DI Input
    • Very high input impedance
    • +4dBu/-10dBV output level selection


    Frequency Response 15 Hz to 50 kHz (+0, -1dB)
    Dynamic range >110dB (“A” weighted)
    CMRR >90dB THD <0.005% (typical
    Equivalent Input Noise -129dBu (XLR, “A” weighted)
    Maximum Input Level +19dBu (XLR)
    Maximum Instrument Input +17dBu
    Input Impedance 600-80K ohms adjustable (XLR), >800k ohms (Instrument), +27dBu (XLR)
    Output Impedance < 47 ohms (XLR)
    Maximum Gain 75dB
    Meter Calibration 0VU = +4dBu output (+4dBu mode) 0VU = -10dBV output (-10dBV mode)
    Low Cut Filter Single pole,10-200Hz adjustable
    Tilt EQ



    +/- 12dB adjustable
    Power Requirements 100-120V 60 Hz / 220-240V 50Hz
    Dimensions: (HxWxD) 4.45 cm x 48.3 cm x 15.2 cm
    Weight 2.5kg
    Box Dimensions (HxWxD) 12.6 cm x 51.8cm x 18.9cm

    Note: 0 dBu = 0.775Vrms