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AEA KU5A Supercardioid Ribbon Microphone

End-address unidirectional ribbon with supercardioid pattern and high-pass filter

Product Description

Over half a decade of pushing the envelope has led to the latest ribbon mic in the AEA's arsenal: the AEA KU5A Supercardioid Ribbon Microphone. can deliver the audio spectrum in detail, for both live sound and studio recording.

The KU5A is an exciting and innovative microphone that advances the art of ribbon mic technology. By designing the mic around a supercardioid polar pattern, the KU5A is extremely versatile. Not only can it reject reflections from studio walls, but also ambient noise on the concert stage. And in either venue, the focused pattern reduces unwanted instrument bleed.

Vocalists can sing right into the grille of the KU5A without fear of proximity effect or blowing out the ribbon; the internal acoustic protection is the most extensive of any mic that AEA offers, and the selectable high pass filter can tame those unwanted lows. All the while, the extended high end gives a presence that beautifully balances the classic ribbon tone that you demand from an AEA microphone.

The KU5A is at home on the road or in the studio, with a heavy-duty construction and active electronics that play nicely with a wide range of preamps. Put it in front of guitar cabs, snare drums, brass players and vocalists. It can handle them all and then some. The KU5A is made to deliver clarity and depth in any situation; it’s like no other ribbon mic made, by AEA or anyone else.


  • Supercardioid polar response effectively reduces ambience in any environment
  • End-address for simple placement in front of instruments and vocalists
  • High pass filter can be engaged to reduce the proximity effect of close miking
  • Proudly Made in the USA

Product Specifications

Condition New
Tube or Solid State Solid State
Transducer Type Ribbon
Polar Pattern Super-Cardioid
Number of Microphones Single Microphone

Product Reviews

5 out of 5 stars.
Review Count (12)

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I love this mic! Sounds great. Pairs well with other mics. It's beautiful and gives musicians confidence when the sing and play into it. Buy it!

By paul m on January 14, 2022

Love the KU5A. Kind of addicted to buying from Vintage King right now. Great service. Special shout out to Tyler who's been helping me make sense of my own situation and gear that might fit my workflow. And many thanks for the great discounts. Makes buying "new" a lot easier.

By Kristian A on July 26, 2021

This microphone sounds wonderful. I mostly use in on vocals and with no EQ it's still cuts right on top of the mix. AEA is a great company and this is a killer microphone to have in your locker.

By CaseySchultheis on January 6, 2021

Fantastic sounding mic! Pretty much my new favorite for guitar cabs. I haven't tried it yet on drums, but I'm sure it will be stellar there too. All the sweet ribbon tone, warmth, and detail, but thanks to the tight supercardioid pattern, spl handling, and frequency response, it can go where dynamics normally live, giving you close miced power and weight without the usual low end build up. Just awesome.

By Jeff G on December 3, 2020

I got it for vocals.
It’s so fu***** good on vocals
It’s so good on everything

Just get it and stop procrastinating

By Jordan T on November 22, 2020

I love this Mic. For clarity and low noise, for the way my voice sounds (rich and vibrant) and for the ease of positioning,. Hardly any eq required (and that only for vanity). I record Audiobooks for a living and although the "Experts" told me a ribbon mic was not suitable for this work I got it anyway as I have been trying to get that old school radio drama sound. I've got it now and I won't be changing back to condenser mics. Set above my monitor and angled towards my voice it is the perfect sound for my work.

By Christopher M on October 23, 2020

Gorgeous sound, and the most intense room-noise rejection of any mic I've used, which is a phenomenal advantage in an NYC home studio.

By M. C on October 15, 2020

Love it. Great ribbon sound without bleed and room issues. Very versatile.

By Mark J on May 24, 2020

Use it all the time. I also have Beyer M160s, Royer 121, AEA R88, and a Crowly and this thing is its own beast. Perfect price point as well.

By Luke T on October 8, 2019

I bought this mic specially to record acoustic bass within a live jazz trio recording. Perfect rejection and incredibly articulate bass sound. Just needed the one mic even though I used two. Highly recommended. Thanks Alex!

By David W on July 21, 2019

Amazing sounding mic!!! Great vocal mic, amazing on electric guitars and also killer room mic for drums.

By Alejandro V on May 29, 2019

Love at first sight !!

By Sebastian E on May 1, 2019

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How do you rate this product?
I would like to thank VK for the wonderful sales assistance, service and prices. This was my first purchase with you and it won't be my last. I only wish I'd discovered you years ago!
Matthew R.
I had two Grammy wins this year - Ray LaMontagne & Carolina Chocolate Drops. Both made with help from Vintage King!
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.
James P.
Thank you so much! Vintage King has been so fair and easy to work with. I can't thank you enough. It feels good to trust such a hefty purchase to folks who are so helpful and knowledgeable. Vintage King is a sound designers dream store.
Noa L.
You guys have excellent customer service and I am excited about the next upgrade I complete on my fifth recording facility. I've been in the studio business for forty plus years. The salesman I worked with at Vintage King was the best of the best. You all rock!
Robby T.
I would recommend Vintage King to any one looking for top-class gear, unbeatable customer service and the best prices on the map!
Jake D.
My experience with Vintage King was excellent. The order was here fast considering it was out of stock. The sales person had SKB send it to me directly and I couldn't have been more pleased.
Michael D.
From the minute I placed my order I was kept well-informed through each step in your process. Even though I was buying a comparatively modest piece of gear, your attention to detail made me feel like I was purchasing a six-figure mixing desk.
Thomas W.
I am a new customer of yours. You guys provided me the absolute best deals in ordering all the equipment to power my brand new recording studio. Your customer service is amazing and i will always deal with you from here on out.
Rob M.
Thanks for your great service and getting this out today. You guys really are the Kings!
Alan B.
Better than expected! Truly impeccable service. Your team was professional, knowledgeable, provided speedy delivery above and beyond standard. Vintage King Audio is definitely my go to for all of my audio and information needs.
James O.