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DMPA SPECIFICATIONS

Dimensions...........................................................  6.5” D x 19.0” W x 3.5” H
Weight .................................................................. 12 Lb.
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.......................................... -133dBu (XLR, “A” weighted)
Maximum Input Level............................................ +20dBu (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
High Pass Filter .................................................... single pole, 10-200 Hz adjustable
Power Requirements ............................................ 100-125 VAC, 25W. Export Units configured for country of destination

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 ............................................. >115dB “A” weighted (typ.)
A/D THD ............................................................... <0.001% @1K (typ.)
A/D Input Sensitivity.............................................. +12dBu min

 A/D Insert Input Impedance…………………………>10K Ohms

The AR

T Digital MPA™ is ADAT licensed.

Summary of Contents for DIGITAL MPA

Page 1: ...t obstruct the ventilation slots or position the unit where the air required for ventilation is impeded If the unit is to be operated in a rack case or other furniture ensure that it is constructed to...

Page 2: ...mple Rate Control 7 Optical Switch 8 Front Panel Connections 8 Instrument Inputs 8 Rear Panel Connections 8 Balanced Inputs 8 Balanced Outputs 8 Insert Jacks 9 Word Clock Jacks 9 ADAT Input 9 Optical...

Page 3: ...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 Aut...

Page 4: ...ore or less tube sound as needed To obtain more tube sound increase input gain use the 20dB Gain switch normal plate voltage and less analog output gain Both the microphone and instrument inputs are o...

Page 5: ...is switch Depressing the switch will power condenser microphones and other 48volt phantom powered devices Phantom power is supplied to pins 2 and 3 of the input jack NOTE 1 Dynamic microphones are NOT...

Page 6: ...aturates for normal and high plate voltage settings respectively Digital Section Front Panel Controls Digital Level Control The levels driving the A D converter are adjusted with this control The topo...

Page 7: ...the DMPA will use its internal crystal controlled oscilla tor to accurately generate the selected timing Be careful in adjusting this control Some equipment is not capable of the available sample rate...

Page 8: ...erve as an instrument input The input impedance is always 1M Ohm and the gain can be adjusted by the Input Gain Control The maximum input signal level is 17dBu 5Vrms minimum input gain When you plug i...

Page 9: ...igital output connectors In ADAT mode the DMPA transmits its A D data on the first two channels and passes information from the ADAT input jack CH3 8 on to the other channels Using the optical output...

Page 10: ...the switch under the center of the analog meter The meter will now indicate how much tube headroom there is Set the 20dB switch to the out position Rotate the Input Level Knob until the meter reads a...

Page 11: ...ill provide the best dynamic range AND the tube will saturate before the A D clips on heavy overloads If you want more tube headroom set the digital level control fully clockwise If you need to compre...

Page 12: ...ions This warranty does not apply in the event of misuse or abuse of the product or as a result of unauthorized alterations or repairs This warranty is void if the serial number is altered defaced or...

Page 13: ...substitute The packing box is not recom mended as a shipping carton Put the packaged unit in another box for shipping Print the RA number clearly on the outside of the shipping box Print your return...

Page 14: ...ms Instrument Maximum Output Level 27dBu XLR Output Impedance 47 Ohms XLR Maximum Gain 75dB Meter Calibration 0 VU 4dBu output High Pass Filter single pole 10 200 Hz adjustable Power Requirements 100...

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