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Warm Audio WA-47F Large Diaphragm FET Condenser Microphone

Faithful recreation of an exceedingly rare, wildly popular large diaphragm FET microphone known for its ability to handle high sound pressure levels with great accuracy making it perfect for drums and vocals


Product Description

A faithful recreation of the renowned U47 FET mic, the Warm Audio WA-47F is a versatile large diaphragm condenser microphone that’s perfect for capturing loud, gritty noises, from thunderous drums to roaring guitar amps and in-your-face vocals. In order to capture the massive sound of the original, the WA-47F utilizes Warm’s proprietary K47-style capsule and a custom output transformer.

Celebrated as the “secret weapon” for kick drums and vocals, the original U47 FET was used on countless hit records by superstars such as Aimee Mann, Van Halen, Dave Grohl (Nirvana, Foo Fighters), AC/DC and more. Warm Audio cut no corners with this recreation, starting with a gold-sputtered, large diaphragm, single-backplate K47-style capsule, meticulously selected to capture an ultra-wide frequency response and high SPLs, just like the original. Perfect for drums, amplifiers and even horn sections, the WA-47F can easily handle SPLs up to 137 dB and 147 dB with -10 dB pad engaged.

Next, Warm utilized a custom large-core TAB-Funkenwerk output transformer imported from Germany to drive the signal. Finally, premium Fairchild transistors ensure edgy harmonics with plenty of vintage vibe. And of course, the WA-47F includes a premium wood box for transporting your mic from session to session and custom hard mount for attaching the mic to any standard stand. So don’t wait. Get your Warm Audio 47F from Vintage King Audio today and bring your music to life.


  • Faithful recreation of a high-SPL, low noise classic providing excellent sonic versatility and the uncanny ability to handle high SPLs - just like the original!
  • Sound profile fabled for being a "secret weapon" for huge kick drum sounds while the custom tuned frequency response helps add a pristine edge to solo vocals that need to stand out
  • Premium reproduction of the vintage K47-style capsule found in the original microphone for ultra-wide frequency response and detail
  • Custom TAB-Funkenwerk (AMI) USA output transformer - large-core imported German laminations drive the punchy, powerful sound captured by the capsule
  • Exceptional high-SPL handling making it amazing for drums, horns, and cranked amps - easily handles high SPLs up to 137 dB and 147 dB with -10 dB pad engaged
  • Elite build quality with boutique components for a no-compromise addition to your professional mic locker
  • Premium accessories: safely store your mic anywhere with the included premium wood box and mount the mic to any stand with the attached hard mount

Product Specifications

Condition New
Length 8 in
Diameter 2.7 in
Unit Weight 2 lb
Tube or Solid State Solid State
Capsule Type Gold sputtered, large-diaphragm, single backplate K47-style capsule
Transducer Type Condenser
Polar Pattern Cardioid
Number of Microphones Single Microphone
Impedance 150 Ohms (output)
Frequency Range 20 Hz - 19 kHz
input_pad -10 dB
Filters 140 Hz high-pass filter
Max. SPL 137 dB; 147dB with -10 dB pad engaged
Analog or Digital Analog

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Ryan F.
In almost 20 years in Pro audio buying, never did I receive a unit so well packed and exactly as described. Works flawlessly. The whole process has been so smooth. I will never hesitate to do business with you guys in the future and will recommend you to everyone I know.
Martin C.
This was my first experience buying something from Vintage King (although I surf the "used" categories on the website frequently!), and, despite being on the other side of the world, I had absolutely no trouble and everything went very smoothly.
Phil T.
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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