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Neumann U 47 FET Condenser Microphone Collector's Edition

Transistor version of the famous U 47 large diaphragm condenser mic featuring FET 80 circuitry and a K 47 double large-diaphragm capsule - built to original specs
MFR# 6427

Product Description

The Neumann U 47 FET Collector's Edition brings back the unmistakable sound of Neumann’s iconic U 47 FET for the first time in over 45 years. Featuring FET 80 circuitry and a K 47 double large-diaphragm capsule, the U 47 FET painstakingly recreates the original specifications of the original U 47 FET down to the very last detail. This collection includes a wooden box, certificate, and operating manual.


The Neumann U 47 is one of the most beloved microphones of all time. Equipped with extremely pricey custom VF 14 tubes, Neumann halted production on the U 47 in 1965. A few years later, Neumann released the U 47 FET, a solid-state version of the U 47 designed to recapture the sound of the original. Thanks to its FET circuitry, the U 47 FET can handle much higher sound pressure levels than any tube mic available, allowing engineers to close-mic loud guitar amplifiers, bass amplifiers and kick drums.


In order to recreate the sound of the original U 47 FET, Neumann has built the U 47 FET using the original production schematics. The U 47 FET uses FET 80 circuitry—the same technology found in the famous U 87—to achieve a particularly wide dynamic range, making it the perfect solution for miking loud sources.

The U 47 FET is also equipped with the K 47 double large-diaphragm capsule, which was used in the original tube version of the U 47. This color capsule provides an even, balanced tone with a slight boost above 2 kHz that makes the midrange of any instrument sing.


The U 47 FET features a selectable low-cut filter to combat proximity effect when close-miking vocals or amplifiers. Switchable attenuation allows you to record even the loudest guitar amps without unwanted distortion. The fixed cardioid polar pattern and swivel-mounted bracket make recording vocals with the U 47 FET a breeze.


  • Acoustical operating principle: Pressure gradient transducer
  • Directional pattern: Cardioid
  • Frequency range: 40 Hz to 16 kHz
  • Sensitivity at 1 kHz into 1 kOhm: 8 mV/Pa
  • Rated impedance: 150 Ohms
  • Rated load impedance: 1000 Ohms
  • Signal-to-noise ratio, CCIR (rel. 94 dB SPL): 69 dB
  • Signal-to-noise ratio, A-weighted (rel. 94 dB SPL): 76 dB
  • Equivalent noise level, CCIR: 25 dB
  • Equivalent noise level, A-weighted: 18 dB-A
  • Max SPL for THD < .5%: 137 dB
  • With preattenuation: 147 dB
  • Max output voltage for THD <0.5%: -3.3 dBu
  • Power Supply (P48, IEC 61938): 48 V ± 4 V
  • Current consumption (P48, IEC 61938): 0.5 mA
  • Weight: 710 g
  • Dimensions: 63 x 160 mm

Product Specifications

Package ContentsU 47 FET Microphone, wooden box, certificate, and operating manual
Length160 mm
Diameter63 mm
Unit Weight710 g
Tube or Solid StateSolid State
Transducer TypeCondenser
Polar PatternCardioid
Number of MicrophonesSingle Microphone
ImpedanceRated: 150 Ohms / Rated load: 1 kOhm
Frequency Range40 Hz - 16 kHz
input_pad-10 dB
Sensitivity-41.9 dBV/Pa (8 mV)
Max. SPL137 dB; 147 dB with pad

Product Reviews

5 out of 5 stars.
Review Count (1)

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Amazing microphone from a legendary builder. I love it!

By Robert J on December 16, 2018

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The speed of delivery exceeded my expectations! I was VERY pleased that my shipment arrived in time for a scheduled vocal tracking session. The packing insured that my order arrived safely. And the sales staff responded quickly to questions regarding the product.
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