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Features
Professional features and spectacular tone are what make the Digital MPA™ a world-class microphone preamplifier. Its impressive feature set includes:
Variable Input Impedance for flexible microphone voicing (150 Ohms to 2400 Ohms).
Selectable plate voltage
Large VU meters
Front accessible meter trim
Selectable between output level and tube warmth
Improved discrete class A input microphone preamplifier
Lower noise at low gains
Lower THD
Wider frequency response
Front accessible Instrument Input Jack
Very high input impedance
Automatically switches to the instrument input when you plug in
The Digital MPA also features digital connectivity for use with various digital processors and digital recording devices. The Digital interface supports the following features and functions:
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 and output format.
Separate analog and digital output level controls
Digital Level LED meters
ADAT optical I/O
Sync to incoming ADAT data rate
Switch selectable optical output (S/PDIF or ADAT)
Selectable Pro/consumer output format.
AES/EBU output on cannon connector
Two wordclock jacks allowing loop through
Specifications
CMRR >90dB (typical @ 1kHz)
Controls Input, Impedance, Output level, Digital Level, High Pass Filter, and Sample Rate
Dimensions 6.5” D x 19.0” W x 3.5” H
Dynamic Range >100dB, 20Hz to 20kHz
Equivalent Input Noise - 134dB (XLR to XLR ‘A’ weighted)
Frequency Response 15Hz to 80kHz (+0, -1dB)
Input Impedance 150-3K ohms (XLR), 840k ohms (1/4")
Analog Connections Balanced XLR (pin 2 hot) inputs and outputs, A/D inserts (TRS) and Unbalanced 1/4” outputs (TS) inputs
Digital Connections AES/EBU (XLR), S/PDIF (RCA), ADAT Optical In, ADAT/TOSLINK Out, Wordclock In, and Word clock Thru (BNC)
Switches +20dB gain, Phase Reversal, Plate Voltage, Meter Source, Phantom Power w/ LED, Dither, Optical Format and Power
Maximum Gain XLR to XLR 75dB
Maximum Input Level +18dBu (XLR), +16dBu (1/4")
Maximum Output Level +28dBu (XLR)
Output Impedance 47 ohms (XLR)
Power Requirements 100 - 125 VAC, 25W Export units configured for country of destination
Total Harmonic Distortion >0.005% (typical)
Vacuum Tube Hand-selectes 12AX7A
Weight 12 Lbs
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