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AEA R84 Classic Big Ribbon Pressure Gradient Transducer Microphone

The AEA R84 is a side-address ribbon mic with a bidirectional polar pattern. Featuring an articulate midrange with a forgiving nature & a natural sound that is intimate, detailed, & warm

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    The R84 is a pill-shaped, side-address, ribbon microphone with a bidirectional pickup pattern. The R84 is assembled with the same Big Ribbon tuning (16.5 Hz) as the AEA/RCA R44 and share many of the unique sound characteristics with their historic predecessor. Designed to accommodate distant and medium miking duties, they exhibit a flat frequency response when placed 3 feet (1 meter) away from the source. As a result, the mic performs well on a variety of recording applications including vocals, brass, strings, woodwinds, guitars, and drums. R84 series microphones continue to gain followers with their natural sound, articulate midrange and forgiving nature. Whether used on vocals or instruments, their performance is intimate, warm and detailed, yet never harsh.


    AEA R84 Classic Big Ribbon Pressure Gradient Transducer Microphone Features:

    • Pill-shaped, side-address, ribbon microphone with a bidirectional pickup pattern
    • Assembled with the same Big Ribbon tuning (16.5 Hz) as the AEA/RCA R44
    • Shares many of the unique sound characteristics with its historic predecessor
    • Designed to accommodate distant and medium miking duties
    • Exhibits a flat frequency response when placed 3 feet (1 meter) away from the source
    • Offers a natural sound, articulate midrange, and forgiving nature
    • Performance is intimate, warm and detailed, yet never harsh
    • Includes dust cover and case

    Phantom power is not required or recommended for the passive R84. With a correctly wired cable and a properly working phantom power supply, there is actually little danger of damaging an R84 microphone with phantom power. However, passive ribbons such as the R84 can be damaged if ground (Pin 1) is accidentally shorted, miswired, or hot patched in a patch bay to (Pin 2) or (Pin 3). Using phantom power with a faulty or miswired cable or a defective supply can severely stretch or break a ribbon. Since passive ribbon microphones and other transformer-coupled microphones can be particularly vulnerable to phantom-power, it is recommended to make disengaging phantom-power before plugging and unplugging the microphone a habit.

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    AEA R84 Classic Big Ribbon Pressure Gradient Transducer Microphone Specifications

    AEA R84 Classic Big Ribbon Pressure Gradient Transducer Microphone Specifications
    Product Specifications

    AEA R84 Classic Big Ribbon Pressure Gradient Transducer Microphone Specifications

    • Operating Principle: Pressure gradient transducer
    • Directional Pattern: Bidirectional
    • Frequency Range: <20 Hz to >20 kHz
    • Polarity: Pin 2 high for positive pressure on front of microphone
    • Polar Response: Native bidirectional, figure-of-8 pattern
    • Horizontal Polar Response: Up to 90 dB rejection at right angles to the front/back axis.
    • Vertical Polar Response: Level changes with angle of incidence, but frequency response is consistent.
    • Transducer Material: Pure aluminum corrugated ribbon
    • Transducer Thickness: 1.8 µm
    • Transducer Width: 0.185" (4.7 mm)
    • Transducer Length: 2.35" (59.7 mm)
    • Microphone Height: 11.6" (29.5 cm)
    • Microphone Width: 3.9" (9.9 cm)
    • Microphone Depth: 2.5" (6.4 cm)
    • Microphone Weight with cable: 3 lb (1.36 kg)
    • Connector: XLR-3M
    • Maximum SPL: 165 + dB SPL (1% third harmonic > 1 kHz)
    • Sensitivity: 2.5 mV/Pa (-52 dBv/Pa) into unloaded circuit
    • Output Impedance: 270 Ω nominal
    • Recommended Load Impedance: 1.2K Ω or greater
    • Phantom Power: Not required or recommended
    • Included Accessories: Softcase, user manual, captive 10” (3 meter) output cable with XLR-3M connector
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