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  Home > Audio > Microphones > Tube >

Neumann M147 Tube Microphone

Neumann M147 Tube Microphone
Neumann M147 Tube Microphone
 
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Price: $2,899.95


Availability:
In Stock : Usually Ships in 1-2 Days
EOL Product.
Final Order Date 6-30-17

Product Code: NMN-M147-TUBE
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Description
Specifications
 

NEUMANN M 147 Tube Microphone System

The Neumann M 147 Tube is a vacuum tube condenser microphone with cardioid characteristic. At the heart of this microphone is the Neumann K 47 dual diaphragm capsule, inherited from this model's now legendary predecessors, the Neumann U 47 and the Neumann 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 Neumann M 149 Tube mic.

The Neumann 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 Neumann M 147 Tube 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. Modern manufacturing methods makes it possible to offer this complete set at a very attractive price.

NEUMANN M 147 Microphone - FEATURES

NEUMANN M 147 Microphone - APPLICATIONS

  • Universal tube microphone
  • Pressure gradient transducer with the large diaphragm capsule from the legendary U 47 and M 49
  • Transformerless circuitry
  • Low self noise level
  • Comes with swivel stand mount made of metal, universal power supply, and cable in an attractive aluminium case
  • Vocalist mic: its warm and yet transparent sound gives volume
    and presence
  • Announcer’s mic for broadcasting/voice over
  • Spot mic for close miking of solo instruments, especially strings,
    wind instruments, and piano.

The extremely low self-noise of its tube circuitry makes the mic perfectly suited for use in modern recording chains, analog and digital.

NEUMANN M 147 Microphone - POLAR PATTERN

The Neumann M 147 Tube has a cardioid characteristic, leaning more toward super-cardioid due to its distinctive capsule design. At higher frequencies the pattern becomes more directional. This is very similar to the model after which this new tube microphone was patterned, the Neumann U 47 and the successor, the Neumann U 47 fet. Please refer to the "Specifications Download" below for detailed information.
 

NEUMANN M 147 Microphone - ACOUSTIC FEATURES

The Neumann M 147 Tube is addressed from the side where the microphone body has the diamond-shaped Neumann company logo. The black color identifies tube microphones. The capsule is equivalent to the one used in the Neumann U 47, and is the deciding factor in determining the sound characteristic. It has a flat frequency response to the upper midrange, and a boost of up to 3 dB above 2 kHz. The headgrille design is a smaller version of the Neumann U 47. It protects the capsule effectively against popping and wind noise.

 

NEUMANN M 147 Microphone - ELECTRICAL FEATURES:

When compared to other microphones, the impedance converter used in the Neumann M 147 Tube is distinguished by its extremely low self-noise level of only 12 dB-A / 24 dB CCIR weighted. Similar to the recently introduced Neumann M 149 Tube, the new Neumann M 147 Tube combines a specifically selected vacuum tube (triode) with modern circuitry. This technique takes full advantage of the special transfer characteristics of the tube and passes the processed audio signal of the capsule to the microphone output, without any coloration or unwanted side effects.

The tube amplifies the capsule's signal by approximately 10 dB, thus preventing any possible influences from subsequent electronics. The Neumann M 147 Tube delivers a high output voltage, and therefore can feed microphone cables up to 300 m length without signal degradation. The ideal operating conditions (anode current, heater voltage) of the tube are maintained throughout its life expectancy. A sensor lead detects any voltage drop that occurs through the microphone cable and compensates for it in the Neumann N 149 A power supply. The tube warms up gradually using inverse current limiting to guarantee long life.

 

NEUMANN M 147 Microphone - FILTER:

The electronic circuitry of the Neumann M 147 Tube mic has a flat frequency response from 20 Hz to well above 20 kHz. Only the attributes of the capsule determine the typical sound characteristics of the microphone.

 

NEUMANN M 147 Microphone - OPERATIONAL STABILITY:

Both, the capsule and the entire circuitry are shock mounted to prevent any structure-borne noise. Because of its wide operating range, the Neumann M 147 Tube can reproduce extremely low frequency signals without distortion. This implies that the microphone may also be sensitive to unwanted LF interference by structure-borne noise, or wind noise. To avoid possible signal degradation, we offer the EA 1 elastic suspension and the WS 87 windscreen as accessories. During close miking of vocals we recommend using the PS 15 or PS 20a pop screen.

 

NEUMANN M 147 Microphone - POWER SUPPLY:

The Neumann N 149 A universal power supply works with all mains AC voltages from 100 V to 240 V, 50 or 60 Hz. Mains power is connected through a standard IEC 320 mains socket. The only difference between the three available versions of the M 147 Tube set is the power cord supplied. Note: The N 149 V power supply is fully compatible with the M 147 Tube microphone.


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