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Neumann M147 Cardioid Tube Condenser Microphone


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The M147 Tube is a vacuum tube condenser microphone with cardioid characteristic. At the heart of this microphone is the K47 dual diaphragm capsule, inherited from this model's now legendary predecessors, the U47 and the M49.

Following the capsule is a tube that functions as an impedance converter. The next stage is an efficient, transformerless output circuit, that guarantees an extremely low self-noise level.

The M147 Tube can feed extremely long microphone cables without affecting the quality of the audio signal. Like all Neumann tube microphones, the M147 Tube comes with an elegant satin nickel finish. The microphone is delivered as a complete set in a high-quality aluminum case. Included with the microphone are a microphone cable, a metal swivel mount for a mic stand, and a compact universal power supply for standard mains sockets.


    •  Acoustical operating principle: Pressure gradient transducer •  Directional pattern: Cardioid •  Frequency range: 20 Hz - 20 kHz •  Sensitivity at 1 kHz into 1 kohm: 20 mV/Pa •  Rated impedance: 50 ohms •  Rated load impedance: 1000 ohms •  Equivalent SPL CCIR 468-3: 24 dB •  Equivalent SPL DIN/IEC 651: 12 dB-A •  S/N ratio CCIR 468-3: 70 dB •  S/N ratio DIN/IEC 651: 82 dB •  Maximum SPL: 114 dB for THD < 0.5 %; 134 dB for THD < 5 % •  Maximum output voltage: 8 dBu •  Dyn. range of the mic. amplifier DIN/IEC 651: 102 dB for THD < 0.5 %; 122 dB for THD < 5 % •  Supply voltage: Power supply N 149 A •  Matching connector: Microphone: DIN 8F; Power Supply: XLR 3F •  Weight: approx. 460g •  Diameter: 57 mm •  Length: 142 mm

Things You Will Get:

  • Microphone
  • Cable
  • Mount
  • Power Supply
  • Case


by PowerReviews
Series M Series
Model M147 Condenser Microphone
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Warranty Info:

M147 Cardioid Tube Condenser Microphone

The manufacturer's warranty covers parts for one year and labor for one year from date of purchase. The warranty excludes damage from misuse, abuse, and contains other exclusions.