Neumann M 147 Tube Cardioid Condenser Microphone

Neumann M 147 Tube Mic Kit

The M 147 Tube is a vacuum tube condenser microphone with cardioid characteristic. At the heart of this microphone is the K 47 dual diaphragm capsule, inherited from this model’s now legendary predecessors, the U 47 and the M 49.

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. Note: This innovative combination of current tube technology with the most advanced solid-state circuitry was decisive in awarding the 1997 TEC Award to the related M 149 Tube mic.

The M 147 Tube can feed extremely long microphone cables without affecting the quality of the audio signal. Like all Neumann tube microphones, the M 147 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. Our modern manufacturing methods makes it possible to offer this complete set at a very attractive price.

Neumann M 147 Characteristics

• Same K47 capsule design as the legendary Neumann U 47
• Cardioid pattern
• Classic sound with unmatched presence
• Tube circuit with extremely low self-noise
• Transformerless output stage

What’s in the box

• M 147 Tube Microphone
• N 149 A Power Supply incl. Power Cable
• SG 2 Swivel Mount
• KT 8 Microphone Cable
• Dust Cover
• Aluminium Case

Specifications

• 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: 1 kohms
• Equivalent noise level, CCIR¹⁾: 24 dB
• Equivalent noise level, A-weighted¹⁾: 12 dB-A
• Signal-to-noise ratio, CCIR¹⁾ (rel. 94 dB SPL): 70 dB
• Signal-to-noise ratio, A-weighted¹⁾ (rel. 94 dB SPL): 82 dB
• Typical SPL (tube characteristic)²⁾: 114 dB for THD < 0.5 %, 134 dB for THD < 5 %
• Maximum output voltage: 8 dBu
• Dynamic range of the microphone amplifier (A-weighted): 102 dB for THD < 0.5 %, 122 dB for THD < 5 %
• Powering
• Power supply N 149 A
• Matching connector
• Microphone: DIN 8F, Power Supply: XLR3F
• Weight: 460 g
• Diameter: 57 mm
• Length: 142 mm