Shure beta sm7a user guide
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Extracted text from shure beta sm7a user guide (Ocr-read)
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2 RIGHT SIDE VIEW REAR VIEWXLR CONNECTOR MICROPHONE STAND MOUNTING CONFIGURATION FIGURE 2 SPECIFICATIONS Type Dynamic Frequency Response 50 to 20,000 Hz (see Figure 3) FLAT RESPONSE BASS ROLLOFF PRESENCE BOOST TYPICAL FREQUENCY RESPONSE FIGURE 3 Polar Pattern Cardioid (unidirectional)±uniform with frequency, sym- metrical about axis (see Figure 4) TYPICAL POLAR PATTERNS FIGURE 4 Impedance Microphone impedance rating is 150 W (150 W actual) for connection to microphone inputs rated at 19 to 300 ohms. Phasing Positive pressure on diaphragm produces positive volt- age on pin 2 relative to pin 3. Output Level (at 1,000 Hz) Open Circuit Voltage* ± 59.0 dB (1.12 mV) . . . . . . . . . . *0 dB = 1 volt per Pascal Electromagnetic Hum Sensitivity (Typical, Equivalent SPL/milliOersted) 60 Hz: 11 dB 500 Hz: 24 dB 1 kHz: 33 dBSwitches Bass rolloff and mid-range emphasis: Slotted response selector switches. See Figure 3 for bass rolloff and mid-range emphasis (presence boost) response. See Figure 3 for location of switches. Response Selector Switch Cover Cover plate (supplied) can be used to prevent accidental change of response setting. Cartridge Shock Mount Internal air-suspension shock and vibration isolator. Microphone Connector Three-pin professional audio connector designed to mate with Cannon XL series, Switchcraft A3 (Q-G) series or equivalent connector. Swivel Assembly Integral part of microphone with captive nut for ease of attachment to stand, suitable for mounting on stand with 5/8 in.±27 thread. Case Dark gray enamel aluminum and steel case with dark gray foam windscreen. Dimensions See Figure 5. 95 mm (3.75 in.)189.7 mm (7.469 in.) 25.4 mm (1.0 in.)48 mm (1.890 in.)117 mm (4.594 in.)96 mm (3.775 in.) 63.5 mm (2.500 in.) OVERALL DIMENSIONS FIGURE 5 Net Weight 765.4 grams (1 lb, 11 oz) VOICE COILCODED TERMINAL BLACK 240 mH 11 mH HUM BUCKING COIL.22 mF x 35 V YELLOW GREEN WHITEBLACK CLEAR CASE GROUNDGREEN SHIELD SWITCH PLATE (VIEWED FROM TERMINAL SIDE) BASS ROLLOFF SWITCH PRESENCE BOOST SWITCH 1 2 3 INTERNAL CONNECTIONS FIGURE 6 Certification Eligible to bear CE marking. Conforms to European EMC Directive 89/336/EEC. Meets applicable tests and perfor- mance criteria in European Standard EN 55103 (1996) parts 1 and 2, for residential (E1) and light industrial (E2) environments. FURNISHED ACCESSORY Switch Cover Plate RPM602 . . . . . . . . . . . . . . . . . . . . . . . . . . OPTIONAL ACCESSORIES Desk Stand S37A, S39A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cable and Plug Assembly (7.6m ± 25 ft) C25F. . . . . . . . . . . .
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3 REPLACEMENT PART Cartridge RPM106. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Windscreen RK345. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Nut/Washers RPM604. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ARCHITECTS' SPECIFICATIONS The microphone shall be a moving coil (dynamic) type with a frequency response of 50 to 20,000 Hz. The unit shall have a cardioid polar characteristic. The cancellation at the sides shall be approximately 6 dB and the cancellation at the rear shall be 15 to 20 dB. The microphone shall be low impedance with a rated impedance of 150 ohms for connection to microphone inputs rated at 19 to 300 ohms. The microphone output shall be ±57.0 dB where 0 dB = 1 milliwatt per Pascal. The microphone shall have two switches for controlling the frequency response. The first switch is a Bass Rolloff selectorswitch. One position of this switch provides a flat low frequency response and the second position provides a gradual low frequency rolloff. The second switch is the Mid-Range Emphasis (presence boost) switch. One position of this switch provides a flat mid-range frequency response and the second position raises the level of the mid-range frequency response. The microphone shall be equipped with an integral swivel assembly suitable for mounting on a stand with a 5/8 in-27 thread. The overall dimensions shall be 189.7 mm (7.469 in.) in length, 148 mm (5.812 in.) in height, and 96 mm (3.775 in.) in width. The weight of the microphone shall be 765.4 g (1 lb., 11 oz.) The microphone shall be the Shure Model SM7A or equivalent. PLASTIC WASHER BRASS WASHERS MOUNTING BRACKET BRASS SLEEVE LOCK WASHER FITTED WASHER TIGHTENING NUT MOUNTING ASSEMBLY ± EXPLODED VIEW FIGURE 7