MCM Electronics

Minirator Pro Analog Audio Signal Generator By NTI (MR-PRO)

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The MR-PRO is an extremely powerful analog audio generator to satisfy every need for the professional engineer. Proprietary user wave forms may be loaded via USB into the internal flash memory.p>

The rotary settings wheel combined with surrounding fast access function keys enables instant and intuitive operation without compromising fine adjustment capabilities. Instrument operation is further enhanced with a backlit LCD, illuminated mute button, safety hand strap, jack for external DC power supply and an USB interface for firmware updates.The MR-PRO is an extremely powerful analog audio generator to satisfy every need for the professional engineer. Proprietary user wave forms may be loaded via USB into the internal flash memory.



Innovative and unique technology includes continuous monitoring of the impedance of the connected load, the signal balance and the phantom power. Plus the integrated cable testing promotes MR-PRO to the level of a cable analyzer, simplifying trouble shooting tasks.

  • Sine Waveforms, freely selectable frequencies, up to +18 dBu
  • Sweep Signals, any frequency interval up to 1/12 octave
  • White Noise, Pink Noise
  • Polarity Test Signal
  • Delay Test Signal
  • Wave Files (*.wav)

Specifications:

Outputs Balanced XLR, unbalanced RCA, phantom power resistant
Inputs DC power supply, USB, XLR for cable test
Signal Wave Forms Sine, Polarity Test Signal, Delay Test Signal
White Noise (crest factor = 3.05)
Pink Noise (crest factor = 4.5)
Wave File playback (MR-PRO)
Wave File Format
Sampling freq.: 48 kHz
Resolution: 16 Bit, Mono & Stereo
Output level: 0 dBFS = 18 dBu (sine) according to EBU R68
Frequency Setting
Range: 10 Hz - 20 kHz
Increment: in 1 digit steps
Accuracy: 0.01%
Stepped Sweep Function
Freq. range: freely selectable
Increment: 1/1, 1/3, 1/6, 1/12 octave
Sweep speed: selectable 0.5 - 5 seconds
Continuous Sweep (Chirp) Function
Freq. range: freely selectable
Increment: Linear / Logarithmic
Chirp speed: 1.0 - 99 seconds per cycle
Level Units dBu, dBV, V, dBFS, %
Output Level Ranges
Sine, Sweep, Chirp - 80 dBu to +18 dBu
White Noise - 80 dBu to +10 dBu
Pink Noise - 80 dBu to + 8 dBu
Polarity, Delay Test - 80 dBu to +16 dBu
Flatness
RL > 600 Ohm ± 0.2 dB
Accuracy @ 1kHz ± 0.2 dB
THD+N
22 Hz - 22 kHz, average, @ 1 kHz, typical -96 dB (0.0016 %) @ 18 dBu, Noise Floor typ. 15 µV
Output Impedance 12.5 Ohm balanced, Imax = 10 mA
Impedence Measurement
Method: Absolute value Z
Measurement Range: 4 Ohm - 50 kOhm balanced, 2 Ohm - 25 kOhm unbalanced, @ f = 30 Hz to 10 kHz (Sine), @ Level from -20 to +18 dBu
Accuracy: ± 10 % or ± 2 Ohm
Power Calculation
Reference Voltage 25 V, 35 V, 50 V, 70.7 V, 100 V, 140 V, 200 V
Phantom Power Reading
Measurement Range: 0 - 54 V
Accuracy: ± 3 % or ± 0.5 V
USB Functionality Firmware update, mass storage device
Flash Memory 512 Mbyte, for storing wave files and configurations
Display Graphical, with back light
Auto Power-off 10, 30, 60 minutes or OFF
Batteries 3 x AA Alkaline dry cells or rechargeable equivalents
Battery Life 8 h
Temperature Range 0° to 45° C (32° to 113° F)
Humidity < 90% rel. humidity, non-condensing
Dimensions (LxWxH) 152 x 81 x 43 mm (incl. protective shock jacket)
Weight 310 g (11 oz.)
Part Numbers
MCM Part #:72-8605
NTI Part #:MR-PRO
Package Specifications & Dimensions
Weight:1.23 lbs.
Hazardous:No
RoHS Comp:No
Warranty:365 days
Need to Return?
Length:9 in.
Width:6.5 in.
Height:2.5 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No
Catalog Pages
Catalog/Page:
MCM Cat 57, Page 1286
MCM Cat 56, Page 1126
View in Catalog

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