AEA KU5A

An AEA Ribbon Designed to Leave the Studio and Hit the Stage

AEA has established itself as a benchmark in ribbon microphones, appreciated for its natural texture and richness in the low-midrange. The KU5A stands out in the lineup with a decidedly modern approach: instead of the typical figure-8 pattern of traditional ribbons, it adopts a supercardioid directivity to prioritize direct sound and limit ambient noise. The result: it retains the ribbon character (texture, softness, density) with behavior that is much easier to manage in noisy environments, imperfect booths, or live recording situations.

Who Is It For and What Are Its Uses?

The KU5A is aimed at sound engineers, discerning home studio users, and musicians who want a reliable close-miking microphone for sensitive sources prone to bleed: lead vocals, spoken word, brass, amps, percussion, or acoustic instruments in group settings. Its rear rejection helps isolate a source in the same room as a drummer, reduce monitor bleed on stage, or achieve a more "produced" vocal without overloading processing. Singers can get very close to the grille for an intimate sound while maintaining controlled bass.

Key Technology and Features: Clarity, Control, and Durability

Supercardioid: More Direct Sound, Less Room

The KU5A's supercardioid pattern emphasizes attack and definition while greatly reducing reflections and ambient noise captured behind the microphone. This is a clear advantage over figure-8 ribbons, which are often superb in studios but more challenging when room acoustics or stage volume become limiting factors.

Active Electronics and Built-in High-Pass Filter

Thanks to its active electronics (requires 48 V phantom power), the KU5A offers a more stable and easier-to-use output, even with modest preamps. The integrated high-pass filter quickly reduces overwhelming bass caused by proximity effect, stage vibrations, or plosives, resulting in a cleaner capture right from the source.

A Protected Ribbon for Real-World Use

Designed for close recording, the KU5A features particularly protected internal components, providing reassurance for very close vocal takes and handling during touring conditions. It's a ribbon microphone that combines character and practicality without compromising musicality.

Technical specifications

Category	studio microphone	Connection	XLR
Directivity	supercardioid	Color	Black
Capsule	ribbon dynamic

Ribbon dimensions	14 x 290 mm	Fixed cable	1.5 m
Frequency response	30 - 14,000 Hz	Connector	XLR3-M
Maximum sound pressure level	135 dB SPL (1% THD at 1 kHz)	Dimensions (H x diameter)	203 x 76 mm
Sensitivity	-43 dBV (7.08 mV/Pa) at 1 kHz	Weight	800 g
Output impedance	92 Ohms