Neumann M 147 Tube Cardioid Tube Microphone

Large Diaphragm Cardioid Condenser Tube Microphone

The Neumann M 147 Tube Microphone is a vacuum tube large diaphragm condenser microphone with a cardioid polar pattern. The pressure gradient, dual diaphragm capsule is the K 47/49, inherited from the legendary U 47 and M 49 microphones. Following the tube is a transformerless output circuit providing low self-noise and high output gain without adding color to the signal.

The M 147 Tube delivers high output levels, allowing the microphone to feed cables up to 300m in length without signal degradation. The side address capsule features a cardioid polar pattern which is effective in minimizing ambiance and noise coming from the off-axis sections of the microphone. The capsule features a flat frequency response to the upper midrange, and a boost of up to 3dB above 2kHz. The M 147 Tube is a suitable microphone for recording vocals and general instruments such as strings, piano and wind instruments.

Features:

• Tube Circuitry
  The M 147 Tube features a combination of solid state and vacuum tube circuitry. The Vacuum tube design provides a type of warmth and definition not often found in solid state circuitry.
• K 47/49 Dual Diaphragm
  Featuring the K 47/49 dual diaphragm, adapted from the legendary M 49 and U 47 Tube microphones. The M 147 maintains the level of sonic character at a modest price point.
• Quality Output Circuitry
  The Transformerless output design provides a low noise floor and output gain high enough to feed cables up to 300m in length without degradation in signal.
• Cardioid Polar Pattern
  The cardioid polar pattern effectively minimizes off-axis noise caused by room ambiance, instruments, monitors etc. The pattern offers a more generous pick up area with lower range frequencies.
• N 149A Power Supply
  The Neumann N 149A power supply effectively powers the microphone and is compatible with both the M 149 and 147 microphones.

Specifications:

• Transducer: Pressure Gradient Condenser
• Polar Pattern: Cardioid
• Frequency Response: 20 Hz - 20 kHz
• Dynamic Range (Typical): 102 dB, (THD Less Than 5%)
• Signal-to-Noise Ratio:
  70 dB, (CCIR 468-3)
  82 dB, (DIN/IEC 651)
• Maximum Input Sound Level: 134 dB, (@ 1 kHz, THD Less than 5%)
• Power Requirements: N 149-A Power Supply Included
• Output Impedance: 50 Ohms
• Output Connectors: XLR-3M Type (Output from Power Supply)
• Pad: None
• Low Frequency Roll-Off: None
• Dimensions: 5.6 x 2.2" (142.24 x 55.88mm) LxD
• Weight: 16.2 oz (459g)