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M 147 Tube
Technical Data
Selection of Accessories
Table stand, MF 4 (in
connection with stand extension)
Stand extensions,
STV 4 /20 / 40 / 60
Table stand, MF 3 (in
connection with stand extension)Auditorium hanger, MNV 87 (mt)
Elastic suspension,
EA 1 (mt)
Windscreen, WS 87Popscreen, PS 20 aPopscreen, PS 15 Microphone Cable, IC 3 mt
Acoustical operating principle ................................ Pressure gradient transducer
Directional pattern .................................................................................................... Cardioid
Frequency range .....................................................................................20 Hz...20 kHz
Sensitivity at 1 kHz into 1 kohm .............................................................. 20 mV/Pa
Rated impedance................................................................................................... 50 ohms
Rated load impedance..................................................................................1000 ohms
Signal-to-noise ratio, CCIR
1)
(rel. 94 dB SPL) ..............................................70 dB
Signal-to-noise ratio, A-weighted
1)
(rel. 94 dB SPL)................................ 82 dB
Equivalent noise level, CCIR
1)
................................................................................. 24 dB
Equivalent noise level, A-weighted
1)
............................................................ 12 dB-A
Typical SPL (tube characteristic)
2)
:
for < 0.5% THD (for < 5% THD).................................................. 114 (134) dB
Maximum output voltage........................................................................................8 dBu
Dynamic range of the microphone amplifier:
(A-weighted) for < 0.5% THD (for < 5% THD) ................. 102 (122) dB
Powering.....................................................................................Power supply N 149 A
Matching connector microphone ....................................................................DIN 8F
Matching connector power supply................................................................. XLR3F
Weight................................................................................................................................. 460 g
Diameter ......................................................................................................................... 57 mm
Length........................................................................................................................... 142 mm
measured in free-field conditions (IEC 60268-4)
1)
according to IEC 60268-1; CCIR-weighting acccording to CCIR 468-3,
quasi peak; A-weighting according to IEC 61672-1, RMS
2)
measured as equivalent el. input signal
Adapter Cable, AC 25