Telefunken U47



The U47 Dual Pattern Tube Microphone from Telefunken has been a staple in the recording industry since 1946. The first microphone to provide switchable cardioid and omnidirectional polar patterns, the U47 delivers both the warmth and versatility expected of the vintage studio tube microphone. The famous M7 capsule features pristine tonal response and high SPL, and is coupled with Telefunken’s BV8 output transformer and VF14K vacuum tube. The VF14K tube is Telefunken’s first plug-and-play design. The coveted U47 is sought after by leading recording professionals for capturing both vocals and instruments alike.

The first condenser microphone to offer selectable polar patterns (cardioid and omni)
The large, chrome head grille houses the newly manufactured M7 capsule
New BV8 output transformer and new “plug-n-play” VF14K vacuum tube
Authoritative mid-range and extended low-end response
Operating Principle Pressure Gradient
Transducer Condenser
Tube Yes
Polar Pattern Cardioid, Omnidirectional
Frequency Range 20 Hz to 20 kHz
Equivalent Noise Level 9 dB A-Weighted
Maximum SPL 127 dB SPL
Impedance 400 ohms
Sensitivity 24.5 mV/PA, re: 1 V/Pa
Output Connectors 3-Pin XLR
Operating Current Consumption 85 mA
THD < 0.3% up to


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