RCA

44-BX (Rev. J)

Microphone

Main Details
Maker RCA Brand RCA Victor Company Harry F. Olson Designer Type 44 Microphone Series
Function
Additional Model ID MI-4027-J
Form Factor ½" Standard Mount
Signal Path Analog Hardware
Made In United States
Date Produced 1955
Dimensions 12"x4.75"x3.4" (HxWxD)
Weight 8.25lbs
Frequency Response 50Hz-15kHz
Additional Specifications
Element Ribbon Transformer Coupled
Pattern Figure-8
Output Impedance 30Ω, 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
Finish TV Gray, Satin Chrome
Connections
Output Other Cable Mount

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