Neumann M 147 Tube
by NeumannFor General Studio Use
Large Diaphragm Condenser
Cardioid Polar Pattern
Vacuum Tube Based
Pressure Gradient DD Capsule
Transformerless Output Circuit
Allows Long Cable Runs
Minimizes Off-Axis Noise
Flat Freq. Response to Midrange
Enhanced Upper Frequency
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Package includes
- Neumann M147 Tube Microphone
- Swivel Stand Mount
- Universal Power Supply
- Cable
- Aluminum Case
The M 147 Tube Microphone from Neumann 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 984.3' 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 mid-range, and a boost of up to 3 dB above 2 kHz. The M 147 Tube is a suitable microphone for recording vocals and general instruments such as strings, piano and wind instruments.
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 984.3' 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 149 A Power Supply
The Neumann N 149 A power supply effectively powers the microphone and is compatible with both the M 149 and 147 microphones.
Operating Principle | Pressure Gradient |
Capsule | Condenser |
Polar Pattern | Cardioid |
Circuitry | Tube |
Frequency Range | 20 Hz to 20 kHz |
Maximum SPL | 114 dB SPL 134 dB SPL |
Impedance | 50 Ohms |
Load Impedance | 1000 Ohms |
Sensitivity | 20 mV/Pa at 1 kHz into 1 Kilohms |
Signal-to-Noise Ratio | 70 dB CCIR 82 dB A-Weighted |
Equivalent Noise Level | 24 dB CCIR 12 dB A-Weighted |
THD | 0.5% |
Output Connectors (Analog) | 1 x XLR 3-Pin |
Dimensions | ø: 2.24 x L: 5.59" / ø: 57 x L: 142 mm |
Weight | 16.23 oz / 460 g |
Package Weight | 11.65 lb |
Box Dimensions (LxWxH) | 16 x 14.1 x 6" |