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| Shure Brothers Incorporated 222 Hartrey Avenue Evanston IL 60202-3696 U.S.A. Phone: 800-257-4873 Fax: 847-866-2279 In Europe, Phone: 49-7131-72140 Fax: 49-7131-721414 Internationally, Phone: 847-866-2200 Fax: 847-866-2585 Web Address: http://www.shure.com MODEL BETA 58A SUPERCARDIOID DYNAMIC VOCAL MICROPHONE Specification Sheet MODEL BETA 58A B DESCRIPTION The Shure BETA 58A is a high output supercardioid dynamic vocal microphone designed for professional sound reinforcement and project studio recording. It www..com a true supercardioid pattern throughout its maintains frequency range. This ensures high gain before feedback, maximum isolation from other sound sources, and minimum off-axis tone coloration. The BETA 58A has a shaped frequency response that is ideal for close-up vocals. The superb performance of this microphone is not affected by rough handling because of its rugged construction, proven shock mount system, and hardened steel mesh grille. Typical applications for the BETA 58A include lead vocals, backup vocals and speech. Features S Frequency response tailored for vocals, with brightened midrange and bass rolloff to control proximity effect S Uniform supercardioid pattern for high gain before feedback and superior rejection of off-axis sound S Neodymium magnet for high signal-to-noise output S Hardened steel mesh grille that resists wear and abuse S Advanced pneumatic shock mount system that minimizes transmission of mechanical noise and vibration S Minimally affected by varying load impedance S Legendary Shure quality and reliability SPECIFICATIONS Type Dynamic (moving coil) Frequency Response 50 to 16,000 Hz (see Frequency Response, page 2) Polar Pattern Supercardioid, rotationally symmetrical about microphone axis, uniform with frequency (see Polar Patterns, page 2) Impedance Rated at 150 W (290 W actual) for connection to microphone inputs rated low Z Output Level (at 1,000 Hz) Open Circuit Voltage: -71.5 dB* (0.27 mV) *0 dB = 1 v/mbar Hum Pickup (at 60 Hz) Maximum 15.0 mV in 10 oe field Maximum 26.5 dB equivalent SPL per 1 moe Polarity Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3 Case Silver blue enamel-painted die cast metal with hardened, matte-finished, spherical steel mesh grille Connector Three-pin professional audio connector (male XLR) Swivel Adapter Slip-in, adjustable through 180, with standard 5/ "-27 thread 8 Net Weight 278 grams (9.92 oz) Certification Conforms to European Union directives, eligible to bear CE marking; meets European Union EMC Immunity Requirements (EN 50 082-1, 1992); RF radiated (IEC 801-3); ESD (IEC 801-2); EFT (IEC 801-4). FURNISHED ACCESSORIES Swivel Adapter . . . . . . . . . . . . . . . . . . . . . . . . . . A25C Storage Bag . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26A21 5/ " to 3/ " (Euro) Thread Adapter . . . . . . . . 95A2050 8 8 fod 01015 E1996, Shure Brothers Incorporated Page 1 of 2 Printed in U.S.A. MODEL BETA 58A SUPERCARDIOID DYNAMIC VOCAL MICROPHONE Specification Sheet +10 0 -10 20 www..com 120o 90o -20 dB -15 dB 60o -10 dB -5 dB 30o 0 30o 60o 160 mm (6.5 in.) fod 01015 E1996, Shure Brothers Incorporated N NNNN NNNNNNN N N N NN N NN N N N NNNN NNNNNNN N N N N NN N NN N N NNNNNNNNNNNNNNNNNNNN N NNNN NNNNNNN N N N NN N NN N N NNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNN NN N NN NNNN NNNNNNN N N N N N N NN N NN N N N NNNN NNNNNNN N N N N N NNNN NNNNNNN N N N NN N NN N N NNNNNNNNNNNNNNNNNNNN N NNNN NNNNNNN N N N NN N NN N N NNNNNNNNNNNNNNNNNNNN N NNNN NNNNNNN N N NN N NN N N NNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNN NNNNNNNNNNNNNNNNNNNN NN N NN NNNN NNNNNNN N N N N N 3 mm (1/8 IN.) 25 mm (1 IN.) 51 mm (2 IN.) 0.6 m (2 FT) 50 100 200 500 1,000 2,000 5,000 10,000 20,000 FREQUENCY RESPONSE 150o 180o 150o 150o 180o 150o 120o 120o 120o 90o 90o -20 dB -15 dB 60o -10 dB -5 dB 30o 0 30o 60o 90o 250 Hz 500 Hz 1000 Hz 2500 Hz 6300 Hz 10000 Hz POLAR PATTERNS BLUE GREEN RED 3 1 2 YELLOW INTERNAL CONNECTIONS 50 mm (2 in.) DIMENSIONS THE SOUND OF PROFESSIONALS...WORLDWIDE (R) Shure Brothers Incorporated 222 Hartrey Avenue, Evanston, Illinois U.S.A. 60202-3696 Phone: 1-847-866-2200 Fax: 1-847-866-2279 In Europe: 49-7131-72140 Fax: 49-7131-721414 Other International: 1-847-866-2200 Fax: 1-847-866-2585 Page 2 of 2 Printed in U.S.A. |
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