SKU: 62169203978

Warm Audio WA-47jr Transformerless FET Condenser Microphone

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Description

Warm Audio WA-47jr Transformerless FET Condenser MicrophoneContemporary Version Of The Popular '47 Style Studio Mic Contemporary Version Of A Classic Sound The WA 47jr is a contemporary version of the legendary 47 style studio microphone that delivers rich analog tone with modern circuitry. The WA 47 jr is equally at home in a project studio or in a world class recording facility. The WA 47jr features a k47 style capsule that is used by the vintage originals to capture legendary recordings by modern artists

Contemporary Version Of The Popular '47-Style Studio Mic

Contemporary Version Of A Classic Sound

The WA-47jr is a contemporary version of the legendary 47-style studio microphone that delivers rich analog tone with modern circuitry. The WA-47 jr is equally at home in a project studio or in a world-class recording facility. The WA-47jr features a k47-style capsule that is used by the vintage originals to capture legendary recordings by modern artists including Billie Eilish, Harry Styles, Adele and many more.

Past, Meet Present

Combining possibly the greatest condenser capsule of all time with our carefully crafted, modern circuit delivers that analog warmth and pristine detail for capturing everything from vocals, to toms, to acoustic guitar. The sound profile of the WA-47jr blends past and present to achieve the ideal blend of vintage tone and modern performance.

 

Key Features

The WA-47 jr includes all the features that deliver a complete and professional recording experience at an unthinkable price.

The WA-47 jr uses a true reproduction of the K47-style capsule in the original 47 tube mic. Perfect for adding instant vintage-vibe to any recording.

Three polar patterns (cardioid, omni, and figure-8) give you a variety of options to choose how you want to capture stereo sounds and reject noise.

A selectable -10dB pad allows the 47 jr to handle SPLs up to 157dBs making capturing loud sources easy.

The switchable 70 Hz high pass filter makes it easy to remove unruly bass noise from sources before you even hit record.

 

Technical Specifications

Product Description & External Specs

  • Large-Diaphragm FET Transformerless Condenser Microphone

  • Polar Patterns: Cardioid, Figure-8, & Omnidirectional

  • 10 dB Pad | 70 Hz High-Pass Filter

  • Weight: 1.1 Lbs | Diameter: 52mm | Length: 210mm

  • Includes: Shockmount, Hard Mount, Zipper Storage Pouch

  • 5-Year Warranty

Components & Internal Specs

  • Gold-Sputtered, Large-Diaphragm, Single-Backplate, K47-Style Capsule

  • Capsule Makeup: Dual Large Diaphragm, Single-Backplate, 6 Microns NOS Mylar (PET Film)

  • Fully Discrete Signal Path, Toshiba FET’s, Wima Film Capacitors, Panasonic Electrolytic Capacitors

Performance Specs

  • Self-Noise: 9dBA

  • Dynamic Range: 138dBA

  • Maximum SPL: 147/157dB (@1kHz 1kOhms 0.5% THD, 0/-10dB)

  • Frequency Range: 20 Hz~20 KHz

  • Sensitivity: 10mV/Pa Or -40dB

  • Output Impedance: 100 Ohms

  • Rated Load Impedance: ≥1kOhms

  • 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 jr is a true reproduction of the large, dual-diaphragm K47-style capsule and the same capsule in the award-winning WA-47 tube microphone. This capsule captures authentic analog detail across the 20Hz-20kHz frequency response. With the warmth of the capsule combined with extra top-end information from the FET, the WA-47 jr will be right at home on many sources.

70 Hz High Pass Filter

Engaging the 70 Hz high pass filter helps remove unwanted bass rumble and noise at the source instead of playing with potentially tone-destructive EQ during the mixing process.

Toshiba Transistors & Premium Capacitors

The WA-47 jr uses premium Toshiba transistors that deliver professional audio fidelity. The WIMA film capacitors and Panasonic electrolytic capacitors in the WA-47 jr provide critical signal conversion, allowing the 47 jr to get the full benefit of the K47-stye capsule with the added top-end boost from the Toshiba FETs.

Hand-Tested, Elite Build Quality

The WA-47 jr is encased in an ultra-durable nickel-plated brass body. Every single WA-47 jr is meticulously hand-inspected at Warm HQ in Austin,TX by real musicians and engineers with a passion for superior sound.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 62169203978

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Jennifer R.
Fort Morgan, US
★★★★★ 5
Trust me - the few extra dollars is worth a shoe that actually stays on!
Size: 6 Little Kid, Color: Red/Blue/Lime
In an attempt to not spend lots on money on shoes for my toddler since they grow so fast, I ended up spending more money buying different "affordable" shoes and not a single one stayed on my little one's feet! The cost of these shoes is not outrageous but a little more than I wanted to spend on shoes that will be grown out of in a few months. Totally worth the few extra dollars though! Don't waste money and time trying to "save" money on shoes that don't work. Also, quality of the shoe is great. Got the red pair and they are adorable! My little one likes to run and these are holding up great! They stay securely on his fit and have plenty of room in the toe area.
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Reviewed in the United States on April 22, 2024
M
Verified Purchase
MK
Lake Worth, US
★★★★★ 4
One month later - Pros & Cons
Size: 10 Little Kid, Color: Cobalt Blue, Size: 10 Little Kid, Color: Cobalt Blue
I purchased these shoes for my three year old son who is really hard on his shoes. I wanted shoes that were a good price value and that my son could put on and take off by himself, run around in, and that would stand up to 3 year old kid abuse. These shoes fit the bill, and for the price I would recommend them and I would buy them again, but they'd be even better if they were even more reinforced around the toes. **This is NOT a paid or subsidized review. If you find this review helpful, please click "yes" - thank you! PROS: * Price - these are a well made, good looking shoe for a very fair price. * Easy for my son to put on and take off, but do not fall off. Velcro is holding up well so far. * The velcro tab that holds them on is big, so there's plenty of room for error in putting them on, and there's plenty of velcro to ensure a good hold. * Nice looking - my son likes them which is a big deal when you're three. * Stand up well to rough and tumble play * Lightweight * Good grip on the soles of the shoes. * Fit is as expected, no discomfort, he wears them all day long without complaint. CONS: * As with all kids shoes, the toe area could be even more reinforced although he's worn them every day for a month and, as you can see in the pictures, they're not showing much wear. * VERY lightweight - so if you're looking for a heavier, more protective shoe for any reason, this is not the pair for you. Overall I'd highly recommend these shoes, and would purchase them again.
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Reviewed in the United States on May 5, 2016
A
Verified Purchase
Amazon Customer
Lowell, US
★★★★★ 5
Easy 2-Velcro closure
Bought the first pair at Kohls, was a favorite easy velcro closure for our 2.5 yr old Grandaughter. Wanted pink and Amazon had these. Perfect fit one half size up. They run a little narrow and smaller but are lightweight and easy for a toddler to put their own shoes on! Her favorite.
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Reviewed in the United States on August 9, 2025
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Dylan Martin
Carnegie, US
★★★★★ 5
Perfect for my toddler
These shoes have been great for my 2yo! Easy on and off, stylish and affordable.
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Reviewed in the United States on December 16, 2025
M
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morgan garcia
Charlottesville, US
★★★★★ 5
run small.
Size: 7.5 Little Kid, Color: Peri
I was a fool and didn't size up, our daughter was only able to sue them for a minute. Should have sized up 2 sizes, I know better. A bit chunky too which I forgot about with these shoes, but fun color and easy to put on.
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Reviewed in the United States on October 4, 2025

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