Dynamic Broadcast Microphone
BCM 705
5
3. Technische
Daten
Akustische Arbeitsweise ............ Druckgradienten-
empfänger
Richtcharakteristik ............................ Hyperniere
Übertragungsbereich ....................20 Hz...20 kHz
Feldübertragungs-
faktor
1)
.....................1,7 mV/Pa = –55,4 dB ± 1 dB
Nennimpedanz .....................................200 Ohm
Nennlastimpedanz ................................. 10 kOhm
Geräuschpegelabstand
CCIR 468-3 ................................................62 dB
Geräuschpegelabstand
DIN/IEC 651 ...............................................76 dB
Ersatzgeräuschpegel
CCIR 468-3 ................................................32 dB
Ersatzgeräuschpegel
DIN/IEC 651 ...........................................18 dB-A
Gewicht ..................................................... 500 g
Durchmesser ............................................ 64 mm
Länge .......................................................85 mm
Höhe (ohne Aufhängung) ........................ 110 mm
1 Pa = 10 μbar
0 dB 20 μPa
1)
bei 1 kHz an 10 kOhm Nennlastimpedanz.
1 Pa 94 dB SPL.
3. Technical Specifi cations
Acoustical op. principle .............Pressure gradient
transducer
Directional pattern ........................Hypercardioid
Frequency range ...........................20 Hz...20 kHz
Sensitivity
1)
............ 1.7 mV/Pa = –55.4 dB ± 1 dB
Rated impedance .................................200 ohms
Rated load impedance .......................... 10 kohms
S/N ratio
CCIR 468-3 ................................................62 dB
S/N ratio
DIN/IEC 651 ...............................................76 dB
Equivalent SPL
CCIR 468-3 ................................................ 32 dB
Equivalent SPL
DIN/IEC 651 ...........................................18 dB-A
Weight ....................................................... 500 g
Diameter ...................................................64 mm
Length ......................................................85 mm
Height (without suspension) ................... 110 mm
1 Pa = 10 μbar
0 dB 20 μPa
1)
at 1 kHz into 10 kohm rated load impedance.
1 Pa 94 dB SPL.