Minirator MR-PRO Audio Signal Generator
Enhanced analogue audio signal generator
Sine wave, sweeps, white noise, pink noise
Proprietary user wave forms may be loaded via USB into the internal flash memory
Continuous monitoring of the impedance of the connected load, the signal balance and the phantom power
Integrated cable testing, polarity and delay
Outputs
Balanced XLR, unbalanced RCA, phantom power resistant
Inputs
DC power supply, USB, XLR for cable test
Wave Forms
Sine, Pink Noise, White Noise, Polarity Test Signal, Delay Test Signal
Wave File Format
Sampling frequency
48 kHz
Resolution
16 bit, mono
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
Frequency range
freely selectable
Increment
1//1, 1//3, 1//6, 1//12 octave
Sweep speed
selectable 0.5 - 5 seconds
Continuous Sweep (Chirp) Function
Frequency range
freely selectable
Increment
Linear / Logarithmic
Chirp speed
0.5 - 20 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
± 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
Output Impedance
12.5Ω balanced
Imax = 10mA
Impedance 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
Phantom Power Reading
Measurement range
0 - 54 V
Accuracy
± 3 % or ± 0.5 V
USB Functionality
Firmware update
Mass Storage Device
Flash Memory
32 MByte
for storing wave files and configurations
Display
Graphical, with back light
Auto Power Off
10, 30, 60 minu...
