Shure_55SH_Series_II_User_Guide 电路图.pdf

Model 55SH Series II User Guide 2003, Shure Incorporated 27B2465 (Rev. 6) Printed in U.S.A.This microphone design is a registered trademark of Shure Incorporated. GENERAL The Model 55SH Series II provides the Shure classic UNlDYNE?II design coupled with modern acoustic compo- nents to meet todays performance standards. This micro- phone is excellent for vocal pickup with its characteristic Shure presence peak. The 55SH Series II has a cardioid (unidirectional) polar pickup pattern that minimizes sound pickup from the rear of the microphone. This allows the Model 55SH Series II to be used in close proximity to loudspeakers without creating feedback problems, and it can perform under adverse acoustic conditions where omnidirectional microphones cannot. The 55SH Series II has a low-impedance balanced output designed for connection to microphone inputs rated at 75 to 300 ohms. The microphone features a cartridge shock mount to reduce stand noise, an On/Off switch, and an at- tached, self-tensioning, 5/8”27 thread swivel mount. This microphone is ideal for public address or theater stage sound systems, as well as for broadcasting, record- ing, and other sound applications where a stand-mounted microphone with a classic look is desirable. Features Classic appearance, modern performance Frequency response tailored for speech, vocals and in- strumental music Cardioid directional pattern for optimum performance in adverse acoustic environments Shockmounted cartridge minimizes stand-transmitted noise, ensures quiet operation Rugged die cast case and mechanical design for reliabil- ity under rigorous conditions Self-tensioning swivel mount, permits tilting through 45 forward and 80 backward SPECIFICATIONS Type Dynamic Frequency Response 50 to 15,000 Hz (See Figure 1) TYPICAL FREQUENCY RESPONSE FIGURE 1 Polar Pattern Cardioid (unidirectional), uniform with frequency, symmetrical about axis (see Figure 2) TYPICAL POLAR PATTERNS FIGURE 2 202000010001000050100 9876543298765432 +10 0 10 Hz dB RadioFans.CN 收音机爱 好者资料库 SHURE Incorporated Web Address: 5800 W. Touhy Avenue, Niles, IL 60714-4608, U.S.A. In U.S.A., Phone: 1-847-600-2000 Fax: 1-847-600-1212 In Europe, Phone: 49-7131-72140 Fax: 49-7131-721414 In Asia, Phone: 1-852-2893-4290 Fax: 1-852-2893-4055 International Fax: 1-847-600-6446 Impedance Microphone rating impedance is 150 ohms (270 ohms actual) for connection to microphone inputs rated at 75 to 300 ohms Sensitivity (at 1,000 Hz) Open Circuit Voltage. . . . . . . . . . . . . . 58.0 dBV/Pa (1.3 mV) 1 Pascal=94 dB SPL Polarity Positive pressure on the diaphragm produces positive voltage on pin 2 relative to pin 3 of the output connector Switch Builtin On/Off switch, integral part of swivel mount, connector Three pin professional type, designed to mate with Cannon XL series, Switchcraft A3 (Q.G.) series, or equivalent Case Chromeplated die casting Dimensions See Figure 3 OVERALL DIMENSIONS FIGURE 3 Net Weight 624 grams (22 oz) CERTIFICATION Eligible to bear CE Marking. Conforms to European EMC Direc- tive 89/336/EEC. Meets applicable tests and performance criteria in European Standard EN55103 (1996) parts 1 and 2, for residen- tial (E1) and light industrial (E2) environments. POLARITY To test two microphones and their cables for common po- larity, connect them to an amplifier and talk or sing into them while holding them three or four inches apart. The sound from the speakers should be the same when talking into ei- ther microphone or directly between them if they have com- mon polarity. If the sound level drops drastically, or if a dead spot is found, when talking between the two microphones, either the microphones or their cables have different polari- ty. All cables and microphones can be tested in this manner to ensure that they have common polarity. To reverse the polarity of a lowimpedance microphone cable, use either a Shure A15PRS Switchable Phase Re- verser or interchange the wires connected to pins 2 and 3 of the connector. To reverse the polarity of a microphone, inter- change the cartridge leads (see Figure 4.) This should be performed by your dealer, the Shure Factory Service De- partment, or other qualified service personnel. INTERNAL CONNECTIONS FIGURE 4 OPTIONAL ACCESSORIES Desk Stand.S37A, S39A Line Matching Transformer.A85F, A95UF Cable and Plug Assembly.C25B, C25E, C25J REPLACEMENT PARTS Cartridge.R115 On/Off Switch.RK32S Plug Element.RK169P For additional service or parts information, please contact Shures Service department at 1-800-516-2525 or . Outside the United States, please contact your authorized Shure Service Center. CARTRIDGESWITCHXLR CONNECTOR BLACK YELLOW CODED TERMINAL BLUE YELLOW BLACK 1 2 3 RadioFans.CN 收音机爱 好者资料库