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Two Channel Mic Preamp W/Variable Impedance


The new ART ProMPA II is the next generation in affordable high-performance microphone preamp technology. Each microphone input circuit, with selectable 48v phantom power, features variable input impedance which can radically vary the overall performance of any high-quality dynamic or ribbon microphone. The ProMPA 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 ProMPA II can operate at either a low or high plate voltage on 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.

Housed in a standard 2u space rack-mountable steel chassis, the ProMPA II is designed to deliver years of reliable operation in the studio, production facility, or on the road for live sound reinforcement.

Main 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

• 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
• 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
• Weight: (lb/kg) 10.5 / 4.7

List Price: $569.99
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