44-BX (Rev. K)
| Brand | RCA |
| Manufacturer | RCA Victor |
| Series | Type 44 Microphone |
| Designer | Harry F. Olson |
| Function | Microphone |
| Produced | 1956 |
| Country | United States |
| Model ID | MI-4027-K |
| Form Factor | ½" Standard Mount |
| Signal Path | Analog Hardware |
| Dimensions | 11.7 × 30.5 × 8.1 cm (W × H × D) |
| Weight | 8.6lbs |
| Frequency Response | 50Hz-15kHz |
| Element | Ribbon (Transformer Coupled) |
| Pattern | Figure-8 |
| Output Impedance | 30Ω, 150Ω, 250Ω (Selectable) |
| Sensitivity (10 dynes/cm², Reference Level: 1mW, 94dB SPL, 1kHz) | -55dBm |
| Sensitivity (Gₘ, RTMA SE-105) | 149dB |
| Hum Pickup Level (1mW, 60Hz, Reference Level: 1x10⁻³ gauss) | -115dBm |
| Finish | TV Gray, Satin Chrome |
| Connections |
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