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Neumann.Berlin U 87 Ai - User Manual

Neumann.Berlin U 87 Ai
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U 87 Ai
georg neumann gmbh · ollenhauerstr. 98 · 13403 berlin · germany
tel +49 (0)30 / 41 77 24-0 · fax -50 · headoffice@neumann.com · www.neumann.com
Bedienungsanleitung
Operating Instructions

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Summary

The U 87 Ai Condenser Microphone

Microphone Versions and Output Wiring

Details available microphone versions and their output wiring specifications.

Microphone Cables

Lists available cables for the U 87 Ai microphone, including types and lengths.

Power Supply

Phantom Powering

Explains 48V phantom power, its operation, and compatibility.

AC Supply Operation

Details powering the microphone with external AC power supplies like the N 248.

Battery Powering

Explains powering the microphone using battery units like BS 48 i.

Operation with Unbalanced or Center Tap Grounded Inputs

Disassembling the Microphone and Test Input

Technical Specifications

Frequency Responses and Polar Patterns

Microphone Maintenance

Accessories

Elastic Suspension

Recommends elastic suspension to prevent mechanical vibrations.

Stand Mounts and Mechanical Adapters

Describes metal mounts and adapters for connecting to stands.

Auditorium Hanger

A device for suspending and tilting microphones.

Floor Stands

Details floor stands MF 4 and MF 5 with their specifications.

Stand Extensions

Describes extensions for microphone stands of various lengths.

Popscreens

Explains pop screens for vocal recordings and preventing particles.

Foam Windscreen

Details foam windscreens for reducing wind noise.

Limitation of Liability

Declaration of Conformity

Neumann.Berlin U 87 Ai Specifications

General IconGeneral
TypeCondenser microphone
Acoustical operating principlePressure gradient transducer
Frequency Response20 Hz - 20 kHz
Sensitivity at 1 kHz into 1 kohm28 mV/Pa
Maximum SPL for THD < 0.5% with preattenuation127 dB
Impedance200 ohms
Rated load impedance1000 ohms
Supply voltage48 V ± 4 V
Current consumption0.8 mA
Weight500 g
Diameter56 mm
Length200 mm
Polar PatternCardioid, Omni-directional, Figure-8
Max SPL117 dB SPL
Power Supply48 V phantom power
Connecting connectorXLR 3-pin

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