Downloads User Guide Brochure FEATURES SHURE 54550 SPECS • Exceptionally uniform cardioid pattern minimizes feedback Selectable dual-impedance operation • Silent magnetic reed on/off switch with lock option • Cardioid, dynamic •Frequency response: 50 to 15,000 Hz Type Dynamic Frequency Response 50 to 15,000 Hz 545SD Classic UnidyneⓇ Instrument Microphone The predecessor to the SM57, The 545SD Classic UnidyneⓇ Instrument Microphone is a dual-impedance, unidirectional, dynamic microphone. Shipped connected for low-impedance operation, the 545SD features a silent magnetic reed on/off switch with lock-on option. A favorite for instrument pickup and recording, the 545SD can also be used on lecterns in public address systems. 545SD-LC Cable not included ACCESSORIES USER GUIDES Polarity Positive pressure on diaphragm produces positive voltage on pin 2 (with respect to pin 3). Switch Built-in magnetic reed on/off switch with lockplate. Cartridge Shock Mount Internal rubber vibration-isolator Swivel Adapter Positive action, adjustable through 90 degrees from vertical Polar Pattern Cardioid (unidirectional)--uniform with frequency, symmetrical about axis Impedance Dual. Microphone rating impedance is 150 ohms (250 ohms actual) for connection to microphone inputs rated at 19 to 300 ohms and "High" for connection to high- impedance microphone inputs. Wired for low impedance as supplied. To change impedance, see sections on Impedance Selection and Connections in User Guide. Output Level (at 1,000 Hz) LOW: Open Circuit Voltage* -58.0 dB (1.3 mV) HIGH: Open Circuit Voltage* -35.0 dB (17.6 mV) *0 dB = 1 volt per Pascal (1 Pa = 94 dB SPL) suitable for mounting on stand with 5/8"-27 thread Case Chrome-plated die casting with ARMO-DURⓇ grille and stainless steel screen Dimensions See User Guide Net Weight (less cable) 255 grams (9 oz) 3456789 FREQUENCY IN HERTZ 10,000 20,000 Name S37A Desk Stand Desk Stand, gray finish, for use with various Shure swiwel adaptors and shock mounts. Availability Where To Buy A26M Dual Microphone Mount Available Online Allows two Shure SM57, Beta 57A, or 545 Series microphones to be placed vertically on a standard microphone stand. R45 Cartridge for 545 Series and PE54 Direct replacement cartridge for Shure 545 Series and the PE54 series microphones. A55M Shock Mount Microphone Clip Isolation mount and swivel adapter securely attaches Shure models SM57, SM58, SM86, Beta57A, Beta58A, Beta87A, and Beta87C to standard microphone stands. A25D Microphone Clip Securely mounts the SM58, SM57, SM87A, Beta 87A, Beta 87C and all other microphones with 3/4-inch and larger handles to a standard microphone stand. A55HM Snap-in "Shock Stopper" Mount Shock Stopper Isolation Mount/Swivel Adapter, Half Mount, for SM57, SM58, Beta 57A, Beta 58A, Beta 87A, Beta 87C or any Shure tapered handle mic. 일반 사항 545SD 모델은 듀얼-임피던스, 단일지향성, 다이내믹 마이크입니다. 공장에서 저 임피던스 작동용으로 연결되어 출하되며 무음 자기 리드 온/오프 스위치를 갖추고 있습니다. 클래식 Unidyne은 악기 수음과 녹음에 최적화 되어 있으며 국회, 컨벤션 홀, 호텔, 강당, 경기

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