Neumann.Berlin U 87 Ai user manual

Summary of the content on the page No. 1

Product Information
U87Ai
Large Diaphragm
Microphone
www.neumann.com
Georg Neumann GmbH • Ollenhauerstr. 98 � 13403 Berlin � Germany � Tel.: +49 (30) 41 77 24-0 � Fax: +49 (30) 41 77 24-50
E-Mail: headoffice@neumann.com, engineering@neumann.com, catalog-info@neumann.com � Web: www.neumann.com

Summary of the content on the page No. 2

he U87 is probably the best known and most widely used Neumann studio micro- phone. It is equipped with a large dual-diaphragm capsule with three directional pat- terns: omnidirectional, car- dioid and figure-8. These are selectable with a switch below the headgrille. 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 fre- quency response can be reduced to compen- sate for proximity ef

Summary of the content on the page No. 3

U87Ai Polar patterns Application Hints The dual-diaphragm capsule is elastically � For universal use mounted and protected by a � The classical studio mic for vocalists (soloists and large headgrille. background vocalists) A switch below the headgrille � Announcer’s mic for broadcasting, dubbing, voice-over selects the three directional patterns: omnidirectional, car- � Overhead dioid and figure-8. � Spot mic for - wind instruments A window above this switch - strings (especially cello and doubl

Summary of the content on the page No. 4

measured in free-field conditions (IEC 60268-4), tolerance ±2 dB Technical Data 3) Acoustical operating principle ............................Pressure gradient transducer Maximum SPL for THD 0.5% ................................................ 117 dB (cardioid) 3) Directional pattern ......................................... Omnidirectional, cardioid, figure-8 Maximum SPL for THD 0.5% with preattenuation ........................127 dB Frequency range ............................................