| |
|
MR2 |
MR-PRO |
| Outputs |
|
Balanced XLR, unbalanced RCA
phantom power resistant |
| Inputs |
|
DC power supply, USB |
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 = 3.16)
Wave File playback (MR-PRO) |
| Wave File Format |
Sampling freq.:
Resolution:
Output level: |
|
48 kHz
16 Bit, Mono & Stereo
0 dBFS = 18 dBu (sine)
according to EBU R68
|
| Frequency Setting |
Range:
Increment:
Accuracy: |
10 Hz - 20 kHz
in 1 digit steps
0.01% |
| Stepped Sweep Function |
Freq. range:
Increment:
Sweep speed: |
freely selectable
1/1, 1/3, 1/6, 1/12 octave
selectable 0.5 - 5 seconds |
| Continuous Sweep (Chirp) Function |
Freq. range:
Increment:
Chirp speed: |
freely selectable
Linear / Logarithmic
1.0 - 99 seconds per cycle
|
| Level Units |
|
dBu, dBV, V |
dBu, dBV, V
dBFS, % |
| Output Level Ranges |
Sine, Sweep, Chirp
White Noise
Pink Noise
Polarity, Delay Test |
-80 dBu to + 8 dBu
-80 dBu to + 0 dBu
-80 dBu to - 2 dBu
-80 dBu to +6 dBu
|
- 80 dBu to +18 dBu
- 80 dBu to +10 dBu
- 80 dBu to + 8 dBu
- 80 dBu to +16 dBu
|
| Flatness |
RL > 600 Ohm |
± 0.5 dB |
± 0.2 dB |
| Accuracy @ 1kHz |
|
± 0.5 dB |
± 0.2 dB |
| THD+N |
22 Hz - 22 kHz, average, @ 1 kHz, typical |
-90 dB (0.0032 %) @ 8 dBu
Noise Floor typ. 25 μV |
-96 dB (0.0016 %) @ 18 dBu
Noise Floor typ. 15 μV
|
| Output Impedance |
|
200 Ohm balanced |
12.5 Ohm balanced
Imax = 10 mA |
| Impedance Measurement |
Method:
Meas. range:
Accuracy: |
|
Absolute value Z
4 Ohm - 50 kOhm balanced
2 Ohm - 25 kOhm unbalanced
@ f = 30 Hz to 10 kHz (Sine)
@ Level from -20 to +18 dBu
± 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 |
Meas. range:
Accuracy: |
|
0 - 54 V
± 3 % or ± 0.5 V |
| USB Functionality |
|
Firmware update |
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 |
0 dBu, no load, typ. |
14 h |
8 h |
| Temperature Range |
|
0° to 45° C (32° to 113° F) |
| Humidity |
|
< 90% rel. humidity, non-condensing |
| Dimensions (LxWxH) |
|
147 x 74 x 41 mm |
152 x 81 x 43 mm
(incl. protective shock jacket) |
| Weight |
including batteries |
250 g (9 oz.) |
310 g (11 oz.) |
| |
|
MR2 |
MR-PRO |