Neumann U 87 Ai Condenser Microphone Set Z (Nickel)

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Neumann U 87 AI Large Diaphragm Condenser Microphone Set Z
In the world of studio microphones, the numbers “47”, “67” and “87” have associations that inspire enthusiasm among professionals in the field. The Neumann U 87 Ai is a large-diaphragm condenser studio microphone with three polar patterns: omni-directionalcardioid, figure-8. The U 87 Ai is available in two colors: nickel, or black. It is available as Set Z, including the microphone, a shock-mount, windscreen, and 25 ft. XLR cable. It is available as a Stereo Pair, matched and calibrated at the Neumann manufacturer. Please see the "What's In the Box?" section below for more detailed itemization.
Voted as THE best microphone. The readers of SOUND ON SOUND magazine have voted: U 87 Ai - the BEST MICROPHONE, announced during the Winter NAMM Show 2012 in Anaheim, California. The SOS award went to products, that "have made our lives in the studio all the more enjoyable". It is a further evidence for the reputation of the U 87 Ai as the world famous, professional standard studio condenser microphone. Until today the U 87 sets the mark in the microphone industry by which all others are measured. 

The U 87 presents a wide range of features and versatility that make it to one of the most desirable mics available. Our users are recognizing the microphone immediately by its distinctive design. Well-known for its warm and well balanced characteristics - your perfect choice as vocal microphone for all types of music and speech. The usage as main microphone for orchestra recordings or as spot mic for single instruments make it the most general-purpose microphone - in studios, for broadcasting, film and television. 

The U 87 is equipped with a large dual-diaphragm capsule with three directional patterns: omnidirectional, cardioid and figure-8. These are selectable with a switch below the head-grille. A 10 dB attenuation switch is located on the rear. It 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. 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 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. 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. 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. 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. This additional switch at the rear allows 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). 
In a word: The Neumann classic. Three directional characteristics and switchable pre-attenuation ensure suitability for a wide range of applications.
(1) For universal use.
(2) The classical studio mic for vocalists (soloists and background vocalists).
(3) Announcer's mic for broadcasting, dubbing, voice-over.
(4) Overhead microphone.
(5) Spot mic for wind instruments, strings (especially cello and double bass), piano, percussion.
(6) Note: To record instruments with very high sound pressure levels we recommend our mics with TLM circuitry
(7) These are just some of the most common applications. We recommend additional experimentation to gain maximum use from this microphone.


Single Unit - What's In the Box?
Neumann U 87 Ai Microphone
Wooden Box
Limited 2-Year Warranty

Set Z - What's In the Box?
Neumann U 87 Ai Microphone
EA87 - Shockmount
3-pin XLR-XLR Microphone Cable (25 ft)
Wooden Case
Limited 2-Year Warranty

Stereo Pair - What's In the Box?
(2) Neumann U 87 Ai Microphones
(2) EA87 - Shockmounts
(2) Dust Covers
Aluminum Case
Limited 2-Year Warranty

Official Neumann Literature
Neumann U 87 Ai - Brochure 
Neumann U 87 Ai - Operating Instructions

Technical Information

Acoustical Operating Principle: Pressure gradient transducer
Directional Pattern: Omni-Directional, Cardioid, Figure-8
Frequency Range: 20 Hz to 20 kHz
Sensitivity at 1 kHz into 1 kohm: 20/28/22 mV/Pa
Rated Impedance: 200 ohms
Rated Load Impedance: 1 kohms
Equivalent Noise Level, CCIR: 26 / 23 / 25 dB
Equivalent Noise Level, A-weighted: 15 / 12 / 14 dB-A
Signal-to-Noise Ratio, CCIR (rel. 94 dB SPL): 68 / 71 / 69 dB
Signal-to-Noise Ratio, A-weighted (rel. 94 dB SPL): 79 / 82 / 80 dB
Maximum SPL for THD < 0.5%: 117 dB
Maximum SPL for THD < 5%: 127 dB
Maximum Output Voltage:  390 mV
Powering Power Supply: 48 V ± 4 V
Matching Connector: XLR3F
Weight: 500 g
Diameter: 56 mm
Length: 200 mm