Model name |
MI-3170 |
MI-3111 |
Applicable microphone |
MI-1280/MI-1271/1235/1433 |
MI-1235/1433 |
Insertion loss |
0.15 dB (at 1 kHz)(typ) |
1.0 dB (typ) |
Frequency range |
10 Hz to 40 kHz (+0.1 dB, -0.2 dB, 1 kHz as reference)
1 Hz to 40 kHz (+0.1 dB, -1.5 dB, 10 Hz as reference) |
10 Hz to 20 kHz (±1.0 dB, 1 kHz as reference)
20 Hz to 20 kHz (±0.6 dB, 1 kHz as reference) |
Input impedance |
40 GΩ |
5 GΩ±15 % |
Self-noise (effective voltage) A-weighting
|
3.3 μV or less |
5.0 μV or less |
Total harmonic distortion
|
0.0316 % or less
(Input frequency 1 kHz, Input effective voltage 1 V)
0.1 % (-60 dB) or less
(Input frequency 20 kHz, Input effective voltage 1 V) |
1 % or less
(Input frequency 1 kHz, Input effective voltage 3.15 V)
|
DC bias voltage |
12 V ± 2 V |
8 V ± 1 V |
Maximum output voltage |
±8 V (Peak) (driving power 24 VDC, 4mA)
Sound pressure conversion135 dB
(Sensitivity 50 mV/Pa when using microphone) |
±5.6 V (peak) (driving power 24 VDC, 4mA)
Sound pressure conversion 135 dB
(Sensitivity 35 mV/Pa when using microphone) |
Operating temperature range |
-30 to +80 °C |
-10 to +50 °C |
Operating relative humidity range |
0 to 90 % (not including microphone) |
30 to 90 % (not including microphone) |
Storage temperature range |
-40 to +70 °C |
-20 to +60 °C |
Storage relative humidity range |
0 to 90 % (not including microphone) |
10 to 90 % (not including microphone) |
Power supply |
CCLD
2 to 4.5 mA, DC 18 to 26 V |
CCLD
0.5 to 5 mA, DC 15 to 25 V |
Applicable connector |
C02(BNC) |
Weight |
Approx. 35 g (not including microphone) |
Approx.25 g(not including microphone) |
Outer dimension |
φ12.7 mm × 80.5 mm |
φ12.7 mm × 63.5 mm |
Accessory |
Protection cap for input connector × 1
Microphone holder (MI-0301) ×1
Instruction manual × 1 |
Protection cap for input connector ×1
Microphone holder (MI-0301) × 1
Instruction manual × 1 |
Extension cable |
MX-1000 series (recommended), MX-2000 series |
MX-2000 series (recommended) |