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Art DIGITAL MPA II User Manual

Art DIGITAL MPA II
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DIGITAL MPA II
ART DIGITAL MPA II™ Microphone Preamplifier
USER’S GUIDE
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Art DIGITAL MPA II Specifications

General IconGeneral
Power OutputNot applicable
TypeMicrophone Preamplifier
Frequency Response10Hz - 50kHz
THD<0.005%
Signal to Noise Ratio>90 dB
Input ConnectorsXLR
Output ConnectorsXLR, 1/4" TS
Phantom Power+48V
MeteringLED
PowerExternal Power Supply
Dimensions19" x 1.75"

Summary

IMPORTANT SAFETY INSTRUCTIONS

FRONT PANEL CONNECTIONS AND CONTROLS

Input Gain control

Adjusts input signal level before tube gain, optimizing for performance.

Phantom switch

Enables 48V phantom power for condenser microphones and active devices.

Digital Section Front Panel Controls

Digital Level control

Controls A/D converter input levels, independent of analog output.

Sample Rate control

Sets sample rate (44.1K-192K) and dither (24/16 bit) for digital output.

Rear Panel Connections

Balanced Inputs

XLR connectors for mic/line with variable input impedance (150-3K Ohms).

Balanced Outputs

1/4" and XLR outputs providing low impedance driving capability.

DIGITAL MPA II OPERATING INSTRUCTIONS

Obtaining the best noise performance with the DIGITAL MPA II

Guide to setting gain stages for optimal noise floor and dynamic range.

Adjusting the Input Impedance

Tailoring mic/pre-amp interaction for desired sonic characteristics.

Obtaining the perfect digital level setting

Setting digital levels to maximize dynamic range and utilize tube saturation.

Setting the Tube Plate Voltage

Modifying tube bias/power for different sound qualities, from clean to saturated.

SERVICE

DIGITAL MPA II SPECIFICATIONS

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