Technische Daten Und Schaltbild; Power Supply - Neumann USM 69 i Operating Instructions Manual

Neumann stereo condenser microphone operating instructions
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8. Technische Daten und
Schaltbild
Akust. Arbeitsweise ............ Druckgradientenempfänger
Richtcharakteristik .................. Kugel, breite Niere, Niere,
Hyperniere, Acht
Übertragungsbereich ..................................... 40...16 000 Hz
Feldbetriebsübertragungsfaktor
bei 1 kHz ........................................................ 13 mV/Pa ± 1 dB
Nennimpedanz .............................................................. 150 Ohm
Nennabschlußimpedanz ....................................... 1000 Ohm
Geräuschpegelabstand
(bezogen auf 1 Pa bei 1 kHz
DIN 45 590 / DIN 45 405, CCIR 468-3) ............. 70 dB
Ersatzgeräuschpegel
DIN 45 590 / DIN 45 405, CCIR 468-3) ............. 24 dB
A-bewerteter Äquivalentschalldruckpegel,
bedingt durch innere Störquellen
(DIN 45 634, IEC 179) .................................................... 13 dB
Grenzschalldruckpegel bei 1 kHz
für 0,5 % Klirrfaktor ....................................... 132 dB
85 Pa
max. Ausgangsspannung dabei .............................. 1100 mV
Phantomspeisespannung
(P 48, DIN 45 596) .................................................. 48 V ± 4 V
Speisestrom ................................................................ 2 x 0,7 mA
Gewicht ...................................................................................... 560 g
Abmessungen .............................................. ∅ 30 und 48 mm,
292,5 mm lang
0 dB
20 µPa
8. Technical Specifications
and Circuit Diagramm
Acoustical operating principle ............. Pressure gradient
transducer
Polar pattern ............................. Omni, wide-angle cardioid,
cardioid, hyper cardioid, figure-8
Frequency range ............................................... 40...16 000 Hz
Sensitivity ........................................................ 13 mV/Pa ± 1 dB
Source impedance ..................................................... 150 ohms
Minimum load impedance .................................. 1000 ohms
S/N ratio (related to 1 Pa at 1 kHz,
DIN 45 590 / DIN 45 405, CCIR 468-3) ............. 70 dB
Equivalent noise level
(DIN 45 590 / DIN 45 405, CCIR 468-3) ........... 24 dB
A-weighted equivalent loudness level
due to inherent noise
(DIN 45 634, IEC 179) .................................................... 13 dB
Max. SPL for 0.5 % THD at 1 kHz ....... 132 dB
with max. output voltage ......................................... 1100 mV
Power supply (P 48, DIN 45 596) .............. +48 V ± 4 V
Current consumption ........................................... 2 x 0.7 mA
Weight ................................................................... 560 g (20 ozs.)
Dimensions ........................................................ ∅ 30 mm (1.2")
and 48 mm (1.9") in diam.
292.5 mm (11.7") long
0 dB
8
85 Pa
20 µPa
9

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