ESC
44-BX (Rev. J)

44-BX (Rev. J)

BrandRCA
ManufacturerRCA Victor
SeriesType 44 Microphone
DesignerHarry F. Olson
FunctionMicrophone
Produced1955
CountryUnited States
Model IDMI-4027-J
Form Factor½" Standard Mount
Signal PathAnalog Hardware
Dimensions12.1 × 30.5 × 8.6 cm (W × H × D)
Weight8.25lbs
Frequency Response50Hz-15kHz
ElementRibbon (Transformer Coupled)
PatternFigure-8
Output Impedance30Ω, 150Ω, 250Ω (Selectable)
Sensitivity (10 dynes/cm², Reference Level: 1mW, 94dB SPL)-54dBm
Sensitivity (RETMA Gₘ, RTMA SE-105, 30Ω)-150dB
Sensitivity (RETMA Gₘ, RTMA SE-105, 150Ω)-149dB
Sensitivity (RETMA Gₘ, RTMA SE-105, 250Ω)-146dB
Hum Pickup Level (1mW, 60Hz, Reference Level: 1x10⁻³ gauss)-120dBm
FinishTV Gray, Satin Chrome
Connections
  • Output · Other · Cable Mount