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  Neumann U47 FET Microphone

Neumann U47 FET
Neumann U47
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List Price: $3,999.95
Our Price: $3,999.95

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Product Code: 1638

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Neumann U 47 FET Microphone

The Neumann U47 fet is back! For the new Collectors Edition U 47 fet, Neumann has resumed production of this classic mic, according to the original production documents and schematics.

The U 47 fet was first manufactured from 1972 to 1986, and since then has been firmly established in the range of microphones used by many well-known studios. In addition to serving as a soloist microphone, it has become legendary especially for the recording of bass-heavy instruments and for the direct miking of loud amps.

The U 47 fet Collectors Edition is a new edition of this classic, issued in the year 2014. For this, Neumann has resumed production of this classic mic, according to the original production documents and schematics. It is supplied with a high-quality wooden case with sophisticated special packaging, and an individual certificate with the serial number of the microphone.

In terms of technical design, the U 47 fet is a condenser microphone with a cardioid directional characteristic and fet 80 circuit technology. Among other things this technology, also used in the U 87, is characterized particularly by a wide dynamic range. The K 47 double large-diaphragm capsule was already employed in the U 47, the legendary tube-based predecessor of the U 47 fet. The K 47 provides a slight boost in the range above 2 kHz.

If required, a switchable low-cut filter raises the lower cutoff frequency electronically from 40 Hz to 140 Hz, thus suppressing undesirable low frequencies (such as impact sound and wind noise), or serving to compensate for the proximity effect. Switchable attenuation can reduce transmission levels by 10 dB, facilitating the processing of very high sound pressure levels of up to 147 dB. In addition, to prevent overloading of the connected preamp, the output signal can be reduced by 6 dB via a switch on the bottom of the microphone.

In order to ensure stable positioning, the microphone is swivel-mounted on an integrated bracket. The bracket stand connector has 5/8"-27 internal thread, with an adapter for 1/2" and 3/8" threads. The microphone cable can be secured at the side of the stand connector, by using the knurled nut to fasten it in the slot (for cable diameters of up to 5 mm). The microphone is available in classic nickel.

Neumann U 47 FET Microphone Features

  • Linear frequency response with a slight boost in the range between 2 and 5 kHz for more clarity to the human voice
  • Useful amount of proximity effect, particularly good for thin voices
  • Bass roll-off at 40 Hz
  • Switchable high-pass filter at 140 Hz
  • Common Applications:
    • Vocal and Speech
    • Bass amp, guitar amp, bass drum, kick drum, acoustic guitar, trombone, flute, piano, etc.
    • Room microphone

Neumann U 47 FET Microphone Specifications

  • Acoustical operating principle Pressure gradient transducer
  • Directional pattern Cardioid
  • Frequency range 40 Hz ... 16 kHz
  • Sensitivity at 1 kHz into 1 kohm 8 mV/Pa
  • Rated impedance 150 ohms
  • Rated load impedance 1 kohms
  • Equivalent noise level, CCIR1) 25 dB
  • Equivalent noise level, A-weighted1) 18 dB-A
  • Maximum SPL for THD 0.5%2) 137 dB
  • Maximum SPL for THD 0.5% with preattenuation2) 147 dB
  • Signal-to-noise ratio, CCIR1) (rel. 94 dB SPL) 69 dB
  • Signal-to-noise ratio, A-weighted1) (rel. 94 dB SPL) 76 dB
  • Maximum output voltage -3.3 dBu
  • Supply voltage (P48, IEC 61938) 48 V 4 V
  • Current consumption (P48, IEC 61938) 0.5 mA
  • Matching connector XLR3F
  • Weight 710 g
  • Diameter 63 mm
  • Length 160 mm

Neumann U 47 FET Microphone Includes

  • U 47 fet i microphone
  • Wooden case
  • Certificate
  • Operating manual

Neumann U 47 FET Microphone Downloads

What We Think

The classic "FET 47" Neumann was always a favorite of mine in the studio. While not really a straight FET "replacement" version of the classic valve U 47 designs, the FET 47 carved out a niche in its own right; primarily as a favorite outer kick-drum microphone. And why not? The frequency bumps at 4kHz and 9kHz are tailored right for accentuating the attack of the kick drum. But I always found a place for it when cutting backing vocals. There's a certain "steely" tone to it... (not a "Steely" tone); literally, "like steel." Not overbearing, mind you. But just there in the right amount if you want it. The recreation of this classic mic exhibits all the classic looks and sounds engineers, producers, and artists have come to expect. The classic "yoke" mount allows for easy placement - especially in front of the kick drum - and is as much a hallmark calling card of this mic as is the sound. The new Neumann U 47 FET is a must-have microphone for the microphone roster of any commercial studio.
Alan Moon - Front End Audio

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