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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 20aPopscreen, PS15 Microphone Cable, IC 3 mt
Acoustical operating principle................................Pressure gradient transducer
Directional pattern .................................................................................................... Cardioid
Frequency range.....................................................................................20 Hz...20kHz
Sensitivity at 1 kHz into 1 kohm..............................................................20 mV/Pa
Rated impedance................................................................................................... 50 ohms
Rated load impedance..................................................................................1000ohms
Signal-to-noise ratio, CCIR
1)
(rel. 94dB SPL)..............................................70 dB
Signal-to-noise ratio, A-weighted
1)
(rel. 94dB 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 149A
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, AC25