Neumann U 87 Ai Condenser Microphone (Nickel)

Description: eBay Listing Design by OCDesignsOnline Home View all listings About Us Feedback Faq Contact Us Neumann U 87 Ai Condenser Microphone (Nickel) Description Item Includes Specifications Description The nickel U 87 Ai Condenser Microphone from Neumann is a large dual-diaphragm condenser microphone. It features three directional patterns, including omnidirectional, cardioid and figure-8. These are selectable with a switch below the head grille and the window above this switch shows the symbol of the selected characteristic. 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. The low frequency response can be reduced to compensate for proximity effect. The U 87 Ai is used as a main microphone for orchestra recordings, as a spot microphone 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. 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, interference through subsonic and low frequencies are reduced. The circuitry increases 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. An 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). Features Variable large diaphragm microphone Pressure-gradient transducer with double membrane capsule Omnidirectional, cardioid, and figure-8 characteristics Switchable low frequency roll-off Switchable 10 dB pre-attenuation Great as a main or as a support microphone Box Contains Neumann U 87 Ai Condenser Microphone (Nickel) Wooden Box Limited 2-Year Warranty Item Includes Box Contains Neumann U 87 Ai Condenser Microphone (Nickel) Wooden Box Limited 2-Year Warranty Specifications Operating PrinciplePressure GradientCapsuleCondenserPolar PatternCardioid, Figure-8, OmnidirectionalPattern SelectionSwitchedPad-10 dBFrequency Range20 Hz to 20 kHzMaximum SPL117 dB SPLImpedance200 OhmsLoad Impedance1000 Ohms Payment Policy PayPal is our only method of payment. Your PayPal account must be a Verified PayPal account. Selecting "Immediate Pay" is the way to go. If you select eCheck, it may take 2-8 days to clear PayPal. Please include a phone number as UPS and our Trucking Companies require it. 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Price: 3500 USD

Location: Long Island City, New York

End Time: 2024-08-24T00:58:52.000Z

Shipping Cost: 0 USD