Warm Audio WA-47F Large-Diaphragm FET Condenser Microphone
SKU: 58538285606

Warm Audio WA-47F Large-Diaphragm FET Condenser Microphone

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Description

Warm Audio WA-47F Large-Diaphragm FET Condenser MicrophoneAuthentic Reproduction Of The Most Coveted Mic For Timeless Studio Sound Timeless Studio Sound The WA 47 is an authentic reproduction of the most coveted tube condenser microphone, hailed for its timeless studio sound. The WA 47 accurately matches the sonic profile of the prized vintage originals delivering the deep bass, rich midrange, and smooth highs that made it a favorite of legendary recording artists like Frank Sinatra, Johnny Cash, Ella

Authentic Reproduction Of The Most Coveted Mic For Timeless Studio Sound

Timeless Studio Sound

The WA-47 is an authentic reproduction of the most coveted tube condenser microphone, hailed for its timeless studio sound. The WA-47 accurately matches the sonic profile of the prized vintage originals delivering the deep bass, rich midrange, and smooth highs that made it a favorite of legendary recording artists like Frank Sinatra, Johnny Cash, Ella Fitzgerald, Billie Holiday, Elton John and many more.

A Proper Recreation Of A Studio Legend

The WA-47 is designed and built to deliver the most authentic vintage 47-style sound with zero corners cut. Just like the original, the WA-47 circuit allows a lot of low-end and mid detail to come through. While the lows and mids come together to capture all the rich warmth and detail of acoustic instruments, vocals benefit greatly from the smooth and pleasing top end of the WA-47. The coveted and unmistakably vintage sound profile of the WA-47 makes it the perfect choice to create timeless music.

Key Features

Like the original 47-style mic, the WA-47 includes all the features that deliver a complete and professional recording experience.

The WA-47 uses a true reproduction of the K47-style capsule in the original 47 tube mic. Perfect for recordings where vintage vibe is a must.

The custom USA-made AMI transformer drives the bold sound captured by the capsule, delivering the full body, warmth, and richness out of the WA-47 circuit.

The premium 5751 vacuum tube in the WA-47 delivers rich analog tone with exceptionally low gain - ideal for intimate recordings, especially on vocals.

The WA-47 has three key polar patterns - Cardioid, Omni, & Figure-8. Six additional patterns in-between provide ultimate flexibility and versatility for a variety of recording applications.

Technical Specifications

Product Description & External Specs

  • Large-Diaphragm Tube Condenser Microphone

  • 9 Polar Patterns - Cardioid, Omnidirectional, Figure-8, + 6 intermediate patterns

  • Weight - 9 Lbs | Mic Diameter: 60mm | Mic Length: 254mm

  • Includes: Microphone, Wood Box, Power Supply Unit, Shockmount, Gotham 7 Pin GAC-7 Cable, IEC Power Cable

  • 5-Year Warranty


Components & Internal Specs

  • Custom, K47-Style Capsule - Gold-Sputtered, Dual-Backplate, 6 Microns NOS Mylar (PET Film)

  • TAB-Funkenwerk (AMI) USA Output Transformer

  • Premium 5751 Vacuum Tube

  • Wima, Solen French, And Polystyrene Capacitors

Performance Specs

  • Self-Noise: 11dBA

  • Dynamic Range: 130dBA

  • Maximum SPL: 140dB (<0.5% THD)

  • Dimensions: 8” X 2.75” (20.3cm X 7cm)

  • Frequency Range: 20 Hz~20 KHz

  • Output Impedance: 200 ohms

  • Rated Load Impedance: ≥2kOhms

  • S/N Ratio: 82dBA

  • Equivalent Noise: 10dBA (IEC651)

 

Polar Patterns

Cardioid

Omni Directional

Bi-Directional (Figure-8)


Components

Premium Components - Elite Build Quality - Superior Sound

K47-Style Capsule

The custom K47-style capsule in the WA-47 is a true reproduction of the large, dual-diaphragm K47-style capsule found in the original U47 mic. This capsule captures authentic analog detail across the 20Hz-20kHz frequency response. With just the right peaks where most vocals sit, the capsule inside the WA-47 will quickly make this a favorite mic for vocals and any source where vintage vibe is a must.

AMI USA-MADE Output Transformer

The history of TAB-Funkenwerk (AMI) transformers goes all the way back to the founding of the most sought-after German analog audio innovations. The TAB (AMI) transformer in the WA-47 is American-made and built to exacting standards as designed by Oliver Archut. The sweet sonic character of the WA-47 would not be possible without the amazing, historically-correct transformer supplied by TAB-Funkenwerk.

Premium Tube & Capacitors

The premium 5751 vacuum tube in the WA-47 delivers true analog tone with exceptionally low gain and (11dBA) self-noise. Premium polystyrene, WIMA, and Solen French capacitors are used throughout the WA-47 circuit, providing the excellent signal conversion that this circuit demands.

Hand-Tested, Elite Build Quality

The WA-47 is encased in an ultra-durable nickel-plated brass body with an updated headbasket shape adding additional space around the capsule. Every single WA-47 is meticulously hand-inspected at Warm HQ in Austin,TX by real musicians and engineers with a passion for superior sound.

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 58538285606

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H
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herman l.
San Leandro, US
★★★★★ 4
True history
Format: Hardcover
Good information
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Reviewed in the United States on May 21, 2026
A
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Ain Welmon
Dallas, US
★★★★★ 5
Outstanding book!
Format: Hardcover
A great read!
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Reviewed in the United States on April 1, 2026
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Boo
San Leandro, US
★★★★★ 5
... this book was instrumental in planning and is highly recommended. In a somewhat bullet format I'll add a ...
Format: Paperback
We finished the Wonderland yesterday- this book was instrumental in planning and is highly recommended. In a somewhat bullet format I'll add a few notes... I think it is better to deliver your food caches rather than mail them- discuss with the rangers THE ACTUAL PICK-UP POINTS, and have your map with you- they will give you current trail and water conditions, this proved to be very valuable. We opted for a 12 day hike, after just a few days we realized that we had underestimated our hiking ability and changed out schedule to a 9 day hike. The rangers were very good about helping us with the changes, keep a slower plan and a faster plan in mind as the hike progresses (don't forget to get word to the rangers to re-date your food caches if you change your schedule). Thank those rangers and back country guys when you see them-the trail is in splendid condition, the maintenance is ongoing. When you meet a man wearing a pack-board with a 55 gallon drum lashed to it and he is going to muck out one of the outhouses on the trail is really makes you think about all the steps that you are traversing, the water bars, the brush...on and on with the list. Trail-trash... and I'm not talking about litter, there are some not so nice people on the trail who think nothing about leapfrogging a campsite because they "didn't like it" or the day was too long / short. That means that if you are a late arrival at a camp all the sites may be taken, then you have to ask to see permits and engage in eviction, the rangers need to hear about these guys and they leave the park "With extra paperwork:". One party we met started as a party of 3, but one of them became ill and suffered a fall resulting in an injury- so she was abandoned at Golden Lakes to fend for herself... dumped on the rangers. Point being, know your trail team- when you look at the map note where the roads are close by the trail should you need to get help. The authors mention bugs... perhaps once or twice... they talk about deer flies and horse flies... but as much as they talk about it is still under emphasized, there are legions, hordes, armies of bugs at some of the campsites DON'T IGNORE THESE WARNINGS. There was a great tip about putting apples / oranges / pears in your food caches- after a couple of days without fresh fruit these were a huge bonus. We also included some of the Hormel dinners- already hydrated and a nice break from the normal trail food. All in all, this is essential equipment in planning your hike. The Wonderland is aptly named- this one of the high churches in the outdoor religion, you will be constantly amazed!!
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Reviewed in the United States on July 16, 2015
C
Verified Purchase
C. C.
Phoenix, US
★★★★★ 5
The Best Wonderland Trail book out there!
Format: Paperback
To plan my Wonderland Trail hike, I bought three different books, including this one. Tami's is by FAR the best. It offers great summaries of different sections as well as detailed descriptions. So many details are covered: permits, the Spray Park and Northern Loop options, packing, caching, conditioning, etc. There are numerous maps, and all of the charts at the back really helped me plan a well-informed itinerary. Great book! I used a hard copy edition of this book to plan my Wonderland hike (since I still really like good old-fashioned books) and then downloaded the Kindle version to my phone to use for reference on the trail. After a quick read each night, I could hit the trail the next morning well-prepared for the day ahead! I should point out that I did also bring along a Green Trails map of the Wonderland Trail, which I really only wanted to identify mountains, etc.
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Reviewed in the United States on September 6, 2017
G
Verified Purchase
GW
Waukegan, US
★★★★★ 5
Best guide book I've ever purchased
Format: Paperback
This book is outstanding! Even though we backpacked the Northern Loop instead of Wonderland, there were sections in the book covering some of the camps we hiked to over our five nights in the back country. And then I ran the Wonderland Trail over three days the following week, so I was eagerly reading each night in my tent to see what I would be discovering on the trail. The author is a very good writer, knows her craft extremely well, and has obviously spent ample time in this absolute treasure of a national park. Thank you so much for writing such a valuable book.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 26, 2020

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