Shure_SM48_User_Guide 电路图.pdf
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1、Models SM48 and SM48S User Guide 2006, Shure Incorporated 27C2699 (Rev. 6) Printed in U.S.A. MODELS SM48 AND SM48S UNIDIRECTIONAL DYNAMIC MICROPHONES Shure Models SM48 and SM48S unidirectional dynamic microphones are designed for professional sound reinforcement, studio recording, and broadcasting a
2、pplications. They maintain a true cardioid pattern throughout their frequency range, ensuring high gain before feedback and rejection of off-axis sound. The tailored frequency response is ideal for vocals. A presence rise brightens mid-range performance, and a low frequency rolloff controls proximit
3、y effect. Both models include a shock mounted cartridge, a steel mesh grille, and an integral “pop” filter. The SM48S also includes a lockable On/ Off switch. Each microphone is supplied with an adjustable stand adapter and a zippered carrying/storage bag. Cables are available separately. FEATURES C
4、ardioid pickup pattern rejects off-axis sound and provides superior gain before feedback Frequency response tailored for vocals, with brightened mid- range and bass rolloff to control proximity effect Shock-mounted cartridge for exceptional ruggedness and reduced handling noise Built-in “pop” filter
5、 that reduces explosive breath sounds and wind noise Supplied stand adapter and carrying/storage bag Lockable On/Off switch (SM48S only) Legendary Shure quality and ruggedness VARIATIONS SM48 SM48S (with lockable On/Off switch) SPECIFICATIONS Type Dynamic Frequency Response 55 to 14,000 Hz (see Figu
6、re 1) Polar Pattern Cardioid (unidirectional) rotationally symmetrical about microphone axis, uniform with frequency (see Figure 2) Impedance Microphone rating impedance is 150 (270 actual) for connection to microphone inputs rated at 19 to 300 Output Level (at 1,000 Hz) Open Circuit Voltage: *. .57
7、.5 dBV/Pa (1.3 mV) *1 Pa = 94 dB SPL Connector XLR professional audio Polarity Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3. See Figure 3. Dimensions See Figure 4 Net Weight 370 grams (13.1 oz) Packaged Weight 672 grams (1 lb, 8.5 oz) CERTIFICATIONS Eligibl
8、e to bear CE Marking. Conforms to European EMC Directive 89/336/EEC. Meets applicable tests and performance criteria in European Standard EN55103 (1996) parts 1 and 2, for residential (E1) and light industrial (E2) environments. FURNISHED ACCESSORIES Swivel Adapter.A25D Carrying/Storage Bag. 26A13 O
9、PTIONAL ACCESSORIES Windscreen.A58WS Desk Stand. S37A, S39A Isolation Mount . A55M, A55HM Dual Mount. A26M 7.6 m Cable (25 ft) .C25F REPLACEMENT PARTS Cartridge .R136 Screen and Grille Assembly.RK248G Plug Assembly . RK40P On/Off Switch. RK81S LOCKING THE ON/OFF SWITCH (SM48S ONLY) To lock the On/Of
10、f switch in On position, remove the screw from the lockplate and rotate the lockplate 180. Then reinstall the screw. For additional service or parts information, please contact the Shure Service Department at 1-800-516-2525. Outside the United States, please contact your authorized Shure Service Cen
11、ter. RadioFans.CN 收音机爱 好者资料库 2 MICROPHONES DYNAMIQUES UNIDIRECTIONNELS MODLES SM48 ET SM48S CARACTRISTIQUES Type Dynamique Rponse en frequence 55 14.000 Hz (voir la figure 1) Disprsion Cariode (unidirectionnel) symtrique circulairement sur axe, uniforme avec la frquence (voir la figure 2) Impdance L
12、impdance nominale est 150 . (effective 270 ) pour entres microphones donnes pour 19 300 . Niveau de sortie ( 1 kHz) En circuit ouvert (voltage):* . . . . . . .57.5 dBV/Pa (1.3 mV) *1 Pa = 94 dB SPL Polarit Une pression positive produit une tension positive sur la broche 2 par rapport a la broche 3 (
13、voir la figure 1) Dimensions hors tout Voir la figure 4 Poids net 370 grammes VARIATIONS SM48 SM48S (avec interupteur dalimentation electrique) HOMOLOGATIONS Autoris porter la marque CE. Conforme la directive CEM europenne 89/336/CEE. Conforme aux critres applicables de test et de performances de la
14、 norme europenne EN 55103 (1996) parties 1 et 2 pour les environnements rsidentiels (E1) et dindustrie lgre (E2). ACCESSOIRES FOURNIS Adaptateur pivotant .A25D Sac de rangement .26A13 ACCESSOIRES EN OPTION Bonnet .A58WS Pied de table. S37A Pied a montage anti-vibrations. S39A Cble (7.6 m). C25F PICE
15、S DE RECHANGE Cartouche. R136 Prise .RK40P Grille avec cran. RK248G Interrupteur Marche/Arrt (SM48S).RK81S Pour tout renseignement complmentaire, prire de prendre, contact avec le service Entretien Shure au 1/800-516-2525. En dehors des tats-Unis, prire de prendre contact avec le centre dentretien a
16、gr Shure local. DYNAMISCH RICHTMIKROFON MODELL SM48 UND SM48S TECHNISCHE DATEN Wandlerprinzip Dynamisch, Tauchspule Frequenzgang 55.14.000 Hz (siehe Abbildung 1) Richtcharakteristik Nierenfrmig, frequenz-unabhningig und symmetrisch zur Mikrofonachse (siehe Abbildung 2) Impedanz Die Nenn-impedanzen b
17、etragen 150 . Vorgesehen fr den Anschluss an niederohmige Mikrofoneingnge, die fr Quellimpe-danzen von 150 bemessen sind. Ubertragungsfaktor (bei 1 kHz) Feldleerlaufbertragungsfaktor*.57,5 dBV/Pa (1,3 mV) *1 Pa = 94 dB SPL Polaritt Positiver Schalldruck ergibt positive Spannung am Anschlustift 2, ge
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