Shure SM89 user manual

Summary of the content on the page No. 1

Model SM89 User Guide
FEATURES
• Designed especially for location film and TV prodution,
theater sound reinforcement, and spot news coverage
• Highly directional polar pattern optimized for distant
pickup
• Smooth, wide on-axis response
• Greatly suppressed side pickup with minimum comb-filter
effects
• Two low-cut frequencies, switch selectable
• Low impedance, high sensitivity
• Extremely low hum, noise, and RF pickup
• Uses readily available 11 to 52 Vdc phantom supply
• Rugged a

Summary of the content on the page No. 2

Polar Pattern Dimensions 524 mm (20-5/8 IN.) Hypercardioid at low frequencies, lobar at frequencies above 1 kHz, symmetrical about axis. 386 mm (15-3/16 IN.) 180° 180° 150° 150° 150° 150° 120° 120° 120° 120° 20 mm (25/32 IN.) DIA 90° 90° 90° 90° OVERALL DIMENSIONS –20 dB –20 dB –15 dB –15 dB 60° 60° 60° 60° –10 dB –10 dB Environmental Conditions –5 dB –5 dB 30° 30° 30° 30° Operating Temperature: –29 to 57° C (–20 to 135°F) 0 0 250 Hz 2500 Hz Relative Humidity (Operating): 0 to 95% 500 Hz

Summary of the content on the page No. 3

However, because the 30° off-axis response is smooth, simple ACCESSORIES equalization can compensate for its decreased high frequencies The supplied windscreen is useful under most indoor-conditions if necessary. The curve below shows the SM89 response at 30° where minimal wind noise due to boom motion, air conditioners, or off-axis, with the equalization that can be used to restore the high- heater fans is present. When structure-borne mechanical vibration frequency response. must be cance

Summary of the content on the page No. 4

SHURE Incorporated http://www.shure.com United States, Canada, Latin America, Caribbean: 5800 W. Touhy Avenue, Niles, IL 60714-4608, U.S.A. Phone: 847-600-2000 U.S. Fax: 847-600-1212 Int’l Fax: 847-600-6446 Europe, Middle East, Africa: Shure Europe GmbH, Phone: 49-7131-72140 Fax: 49-7131-721414 Asia, Pacific: Shure Asia Limited, Phone: 852-2893-4290 Fax: 852-2893-4055