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    Neumann U87Ai Microphone, Large Diaphragm

    3 directional patterns. Comes packaged in nice wooden box with shockmount, windscreen, and cable.
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    In Stock | Will Ship Today
    • 2 Day: $4
    • Overnight: $26
    In Stock | Will Ship Today
    • 2 Day: $4
    • Overnight: $26
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    Neumann U 87 Ai Large-Diaphragm Condenser Microphone with Shock Mount, Case and Cable Product Description

    Over 50,000 U 87 users can't be wrong -- this microphone is the professional standard and sets the mark by which all others are measured. The U 87 celebrated its 40th birthday in 2007 and is still going strong.

    The U 87 is probably the best-known and most widely used Neumann studio microphone. It is equipped with a large dual-diaphragm capsule with 3 directional patterns: omnidirectional, cardioid, and figure-8. These are selectable with a switch below the headgrille. A 10 dB attenuation switch, located on the rear, enables the microphone to handle sound pressure levels up to 127 dB without distortion. Furthermore, the low frequency response can be reduced to compensate for proximity effect.


    - Variable large-diaphragm microphone
    - Pressure-gradient transducer with double membrane capsule
    - The studio microphone classic
    - 3 directional characteristics: omni, cardioid, figure-8
    - Switchable low frequency roll-off
    - Switchable 10 dB pre-attenuation
    - Ideal as main and as support microphone in the most differing recording situations

    The U 87 Ai condenser microphone is a large-diaphragm microphone with 3 polar patterns and a unique frequency and transient response characteristic.

    Users recognize the microphone immediately by its distinctive design. It is a good choice for most general-purpose applications in studios, for broadcasting, film, and television.

    The U 87 Ai is used as a main microphone for orchestra recordings, as a spot mic for single instruments, and extensively as a vocal microphone for all types of music and speech.

    The U 87 Ai is addressed from the front, marked with the Neumann logo. The frequency response of the cardioid and figure-8 directional characteristics are very flat for frontal sound incidence, even in the upper frequency range. The microphone can be used very close to a sound source without the sound becoming unnaturally harsh. By means of a high-pass filter interferences through subsonic and low frequencies are reduced remarkably.

    Polar Patterns
    The dual-diaphragm capsule is elastically mounted and protected by a large headgrille. A switch below the headgrille selects the three directional patterns: omnidirectional, cardioid, and figure-8. A window above this switch shows the symbol of the selected characteristic.

    The letter A in the name indicates a more recent generation, as compared to the U 87 i microphones that were built from 1967 to 1986. Modifications apply to the electronic components of the microphone only; the capsule remained unchanged.

    The present-day circuitry increases the operational headroom of the U 87 Ai by supplying the bias voltages for the capsule through a reduced resistance. The result is a higher sensitivity of 10 dB for identical sound pressure levels, and an improved S/N ratio of 3 dB.

    Filter and Attenuation
    A switch located at the rear attenuates the sensitivity by 10 dB. When this switch is activated, the microphone accepts sound pressure levels up to 127 dB (equivalent to a sound pressure of 45 Pa) without distortion.

    An additional switch at the rear allows you to change the microphone's cutoff frequency. This reduces low frequency interference directly at the input of the microphone amplifier.

    This setting also compensates for the unavoidable bass boost that occurs with all pressure gradient transducers when they are used at close distance (proximity effect).

    The cardioid characteristic maintains a smooth frequency response at a distance of 30 to 40 cm, the figure-8 characteristic even at a distance of 15 to 20 cm.

    Same Day Music is an authorized dealer of Neumann products.

    Neumann U87Ai Technical Description

    - Acoustical Operating Principle: Pressure gradient transducer
    - Directional Pattern: Omnidirectional, cardioid, figure-8 plus
    - Frequency range: 20 Hz-20 kHz
    - Sensitivity at 1 kHz into 1 kohm: 20/28/22 mV/Pa*
    - Rated impedance: 200 ohms
    - Rated load impedance: 1000 ohms
    - Equivalent SPL CCIR 468-3: 26/23/25 dB*
    - Equivalent SPL DIN/IEC 651: 15/12/14 dB-A*
    - S/N ratio CCIR 468-3: 68/71/69 dB*
    - S/N ratio DIN/IEC 651: 79/82/80 dB*
    - Maximum SPL for THD 0.5%: 117 dB (cardioid)
    - Maximum SPL for THD 0.5% with preattenuation: 127 dB
    - Maximum output voltage: 390 mV
    - Dynamic range of the microphone amplifier cardioid DIN/IEC 651: 105 dB
    - Supply voltage: 48 V - 4 V
    - Current consumption: 0.8 mA
    - Matching connectors: XLR3F
    - Weight: 500 g
    - Diameter: 56 mm
    - Length: 200 mm

    * Omnidirectional/cardioid/figure-8

    Same Day Music is an authorized dealer of Neumann products.
    Shipping Weights and Dimensions
    Shipping Weight: 6 lbs
    Shipping Dimensions: 11 x 11 x 6 in
    Shipping Weight: 6 lbs
    Shipping Dimensions: 11 x 11 x 6 in

    Neumann U 87 Ai Large-Diaphragm Condenser Microphone with Shock Mount, Case and Cable Catalog Description

    Renowned for its detailed sound@Dual large-diaphragms@Cardioid, omni, and figure-8 patterns@-10dB pad and bass roll-off switch@Includes case, shockmount, windscreen, and cable

    Same Day Music is an authorized dealer of Neumann products.

    User Reviews for Neumann U 87 Ai Large-Diaphragm Condenser Microphone with Shock Mount, Case and Cable

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