AEA’s KU4 is one of the most useful and unique ribbon microphones in the world. Its supercardioid polar pattern rejects bleed from other instruments and reflections in the room while retaining matchless top-end clarity.

Made from authentic new old stock RCA materials, the AEA KU4 is a modern revival of the legendary RCA unidirectional KU3A. This high-sensitivity ribbon microphone was originally designed for top-end Hollywood movie studios.

Passive Ribbon Microphone Ideal for vocals and instrument miking, Polar pattern: supercardioid, 1.8 µm thin folded aluminium ribbon (2.1 x 28.6 mm), Reduced proximity effect, Frequency range: 30 to 20,000 Hz, Maximum...

The AEA KU4 is, apparently, a really difficult microphone to make, and is hand‑built to look and sound beautiful — and to sound like all the other KU4s, which is a worthy bonus! If your numbers come up on the Lottery this weekend, I would encourage you to invest in a pair of KU4s — and it would be an investment.

Your KU4 microphone is 100% handcrafted in Pasadena, CA. AEA is a family owned company with a small crew of skilled technicians – most of them being musicians themselves. Proudly independent, we still manufacture all our ribbon microphones and preamps by hand from locally sourced parts. We hope that the KU4 will help you capture many magical

Unlike figure-of-eight patterned ribbons, the KU4 doesn’t have nulls, eliminating limitations in mic positioning. Key Features. Brightest mic in the AEA line; Retains full spectrum sonic range of ribbon mics; Minimal proximity effect for close-range recording; Accented mid-range captures vocal presence and detail

The KU4 is unmistakably a ribbon microphone, with a characteristically smooth ribbon sound. Like other ribbons, its lightly-tensioned, ultra low mass ribbon has a frequency response beyond 20 kHz, an accurate transient response, and no upper midrange resonances common to large condenser mics.

AEA KU4是一款同时具备RCA44的音色和超心型指向的铝带话筒，当在某些特殊位置，你需要铝带话筒但又受限于它的背面拾音特性时（铝带话筒多为8字型指向），KU4就是解决方案。 KU4使用长28.6mm，宽2.1mm，厚1.8 microns的铝带，是全新的RCA原有存货。

The KU5A is AEA’s first end-address supercardioid ribbon and features the most focused directionality of any AEA ribbon mic before it. Although inspired by the form factor of the RCA BK5, the KU5A delivers vastly different sound with superior rejection from the …

The AEA KU4 celebrates the legendary RCA unidirectional KU3A, a high sensitivity microphone designed for the Hollywood movie studios. Also known as a M-10001 for its manufacturing …