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AEA Ribbon Mics KU4 Supercardioid Ribbon Microphone

BH #AEKU4 • MFR #KU4
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AEA Ribbon Mics KU4 Supercardioid Ribbon Microphone
Key Features
  • Inspired by Rare RCA KU3A
  • Directional Supercardioid Polar Pattern
  • Extended Highs with Classic Smoothness
  • Low Proximity Effect for Near-Field Use
Offering the tonal character and directionality of the rare and prized RCA KU3A along with the consistency of meticulous manufacturing techniques, the USA-made AEA Ribbon Mics KU4 is a welcome solution for engineers, producers, and musicians in need of a rich, bright ribbon mic that can reject ambience and handle the challenge of close-miking an array of voices and instruments. Utilizing a 1.25" long ribbon constructed with ribbon material from RCA that meets or exceeds the original, the KU4 delivers a blend of vintage ribbon smoothness with the top-end extension normally attributed to condensers.
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AEA Ribbon Mics KU4 Overview

Offering the tonal character and directionality of the rare and prized RCA KU3A along with the consistency of meticulous manufacturing techniques, the USA-made AEA Ribbon Mics KU4 is a welcome solution for engineers, producers, and musicians in need of a rich, bright ribbon mic that can reject ambience and handle the challenge of close-miking an array of voices and instruments. Utilizing a 1.25" long ribbon constructed with ribbon material from RCA that meets or exceeds the original, the KU4 delivers a blend of vintage ribbon smoothness with the top-end extension normally attributed to condensers.

Being a near-field ribbon, the KU4 provides reduced proximity effect to make it ideal for placement between one and 18 inches away from the source. Its supercardioid polar pattern exhibits directional pickup traits and strong rejection of off-axis sound such as bleed and room reflections. The 4.9' attached cable is terminated with a standard XLR 3-pin male connector for hookup to virtually any microphone preamp, no phantom power required. The integrated yoke-style cushion mount reduces bulkiness while ensuring ease of positioning in the studio.

Inspired by the RCA KU3A
Following their tradition of providing reincarnations of the original RCA microphones, AEA's KU4 studio ribbon microphone offers a redesign of the rare and prized RCA KU3A unidirectional ribbon mic. It features new ribbon material that meets or exceeds the original ribbon, parts interchangeable with the original KU3A, and the consistent and reliable performance for which AEA microphones have gained a world-wide reputation.
Supercardioid Polar Pattern
The KU4's supercardioid polar pattern rejects bleed from other instruments and reflections in the room while retaining matchless top-end clarity. As the brightest mic in the AEA line, it retains the full-spectrum sonic range that has made ribbon mics a staple in most of the world's great recording studios.
Versatile Applications
The KU4's minimal proximity effect and accented midrange make it an exceptional vocal mic that captures the presence and detail of a performance. Its near-field nature also lends to the close-range recording of kick drums, strings, and woodwinds, providing a welcome brightness and balance in the mix.
Designed for Close Miking
Being a near-field ribbon microphone, the KU4 was designed to be positioned from 1 to 18" away from the source. The mic's proximity effect kicks in at about 6" from the sound source. So, it can be placed close to an instrument while retaining a balanced frequency response. The KU4 can handle 140+ dB SPL at 1 kHz. That means it will not be hurt by loud sound sources.
An Alternative to Sibilant Condensers
After getting used to bright condenser microphones, sometimes traditional ribbon mics sound darker than desired. The KU4, with its unique bright character, has the best elements of both condensers and ribbons—specifically, a smooth midrange that doesn't accentuate sibilance in the same way that condensers often do.

The mic's supercardioid polar pattern, bright voicing, and near-field design offer the flexibility to use it in the exact same way as a condenser. This problem-solving microphone can be used in virtually any recording situation.
UPC: 652401977476

AEA Ribbon Mics KU4 Specs

Key Specs
Microphone Type
Ribbon
Polar Pattern
Supercardioid
Element Type
Ribbon
Controls
No
Frequency Response
30 Hz to 20 kHz
Maximum SPL
140 dB (1% THD)
Analog Output
1x XLR 3-Pin Male
Power Sources
No Power Required
Microphone
Microphone Type
Ribbon
Polar Pattern
Supercardioid
Element Type
Ribbon
Sound Field
Mono
Diaphragm
1.25" / 31.75 mm
Orientation
Side Address
Controls
No
Pad
No
Circuitry
Solid-State
Performance
Frequency Response
30 Hz to 20 kHz
Maximum SPL
140 dB (1% THD)
Off-Axis Rejection
3 dB at 60°
15 dB at 120°
15 dB at 180°
Connectivity
Analog Output Connector
1x XLR 3-Pin Male
Cable Length
4.9' / 1.5 m
Power
Power Sources
No Power Required
Physical
Dimensions
H: 12.65 x W: 4.62 x L: 3.75" / 32.13 x W: 11.73 x L: 9.53 cm
Weight
4.7 lb / 2.1 kg (with Cable)
Packaging Info
Package Weight
8.015 lb
Box Dimensions (LxWxH)
18.6 x 9 x 7.5"

AEA Ribbon Mics KU4 Reviews

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