M 147 tube, Technical data selection of accessories – Neumann.Berlin TLM 67 User Manual
Page 27

2 7
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 87
Popscreen, PS 20 a
Popscreen, 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