Shure SM98A user manual

Summary of the content on the page No. 1

Models WM98 and SM98A User Guide
MODEL WM98 AND SM98A MINIATURE CONDENSER MICROPHONES
The WM98 is supplied with a versatile shock–mount swivel
MICROPHONE
adapter for mounting on a standard 5/8”–27 thread, a 1.47 m (5 ft)
cable with miniature 3– and 4–pin connectors, and an acoustic
POLAR
foam windscreen to minimize wind noise in outdoor applications
MODIFIER
and from air–moving equipment.
The Shure ILP-1, low-distortion high-clipping-level, phantom–
powered preamplifier, is furnished with the S

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SPECIFICATIONS WM98 MICROPHONE (with standard test SM98A MICROPHONE circuit–Figure 6) Type Condenser (electret bias) Frequency Response (Figs. 1–2) 40 to 20,000 Hz Polar Pattern (Figs. 3–4) Unidirectional (cardioid) or supercardioid with A98SPM Supercardioid Polar Modifier Output Impedance 1200 Ω Rated at 150 Ω (90 Ω actual) Recommended minimum load impedance: . . . . . . . 800 Ω (May be used with loads as low as 150 Ω with reduced clip- ping level) Output Level Open Circuit Voltage . . . . . .

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Dimensions See Figure 5 31.8 mm 98 MICROPHONE (1-1/4 in.) 11.9 mm (15/32 in.) 138 mm (5-7/16 in.) 20 mm (13/16 in.) CABLE RETAINED IN GUIDE FIGURE 8 ILP–1 PREAMPLIFIER (SM98A) 5. Tilt the adapter to aim the microphone as desired. WM98: 1.52 m (5 ft) SM98A: 4.6 m (15 ft) 6. To remove the microphone without disturbing the swivel adapt- er and cable, reach into the open slot of the adapter and press the cable-lock button while disengaging the microphone. TA4F TA3F (WA330) PREAMPLIFI

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REASSEMBLING THE PREAMPLIFIER (SM98A) 1. Make sure the pc board is seated in the slot of the end cap and that no wires are pinched. 2. Insert the end cap-board assembly into the case, XLR connect- MICROPHONE REAR CABLE AND ing wires first. Again, take care not to pinch the wires connect- FRONT SUPPORT CONNECTOR SUPPORT ing the board to the end cap. A98SPM ASSEMBLY 3. Rotate the assembly inside the case until the four holes for Phil- FIGURE 10 lips screws line up with the

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3–PIN MINIATURE CONDENSER IMPEDANCE CONNECTOR CARTRIDGE CONVERTER (TB3M) RED DOT D RED G 2 3 1 BLUE C1 MK1 C2 S U1 BLACK 98 MICROPHONE RED RED 2 2 13 3 1 131 3 2 2 BLACK BLACK 4 SHIELD SHIELD MODEL WM98 CABLE MODEL SM98A CABLE MICROPHONE WIRING DIAGRAMS FIGURE 12 GRN OR BROW N OR GAIN 90B4339C–3 NOTES: 1 UNLESS OTHERWISE SPECIFIED, ALL RESISTORS ARE 1/8 WATT, 5%. 2 UNLESS OTHERWISE SPECIFIED, ALL CAPACITORS IN
F, 10%, 50 V OR GREATER. ELECTROLYTIC CAPACITORS SHOWN IN
F X VOLTS, 20%. 3 THE FO

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SHURE Incorporated Web Address: http://www.shure.com 222 Hartrey Avenue, Evanston, IL 60202–3696, U.S.A. Phone: 847-866–2200 Fax: 847-866-2279 In Europe, Phone: 49-7131-72140 Fax: 49-7131-721414 In Asia, Phone: 852-2893-4290 Fax: 852-2893-4055 Elsewhere, Phone: 847-866–2200 Fax: 847-866-2585