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SUPPLY CURRENT AS A FUNCTION OF SUPPLY VOLTAGE AND
LOAD RESISTANCE
SENSITIVITY AS A FUNCTION OF SUPPLY VOLTAGE AND LOAD
CAUTION: To avoid damage to the 527C, observe the following:
Supply voltage (V) must be between 4 and 35 Vdc. Voltages
exceeding 35 Vdc may substantially reduce the life of the mi-
crophone. Voltages below 4 Vdc are not sufficient for micro-
phone amplifier operation (although no damage will occur).
Do not exceed the maximum allowable current (dissipation
limit) for the various combinations of supply voltages and load
resistances.
Maintain proper polarity for the red (+) and black (–) leads as
shown in Figures 1 and 2.
SPECIFICATIONS
Type
Dynamic (with transistor preamplifier)
Frequency Response
300 to 5,000 Hz (see Figure 5)
TYPICAL FREQUENCY RESPONSE
Sensitivity (at 1,000 Hz)
Open Circuit Voltage
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Load lmpedance Range
220 to 2,200 ohms (see Figures 3 and 4)
Maximum Signal (with 10 Vdc, 470
135 dB SPL at 1,000 Hz produces +10 dBV (3.2V) at 10%
THD
DC Supply Voltage and Current
4 to 35 Vdc (see Figure 3)
FIGURE 3
FIGURE 4
FIGURE 5
. . . . . . . . . . .
–31dBV/Pascal (28 mV)
1 Pascal = 94 dB SPL
Ω
load)
Switch
Double-pole, single-throw, leaf-type
Cable
Non-detachable, 1.8 m (6 ft), 4-conductor, neoprene-
jacketed coil cord
Case
Black high-impact ARMO-DUR
Dimensions
See Figure 6
Net Weight
342 grams (12 oz)
Packaged Weight
483 grams (17 oz)
OVERALL MICROPHONE DIMENSIONS
MOUNTING BRACKET DIMENSIONS
FURNISHED ACCESSORY
Mounting Bracket*
. . . . . . . . . . . . . . . . . . . . . . . . . . .
*Three in replacement kit.
REPLACEMENT PARTS
Cartridge
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Switch Assembly
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cable
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
For additional service or parts information, please contact
Shure's Service Department at 1-800-516-2525. Outside the
United States, please contact your authorized Shure Service
Center.
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
R
FIGURE 6
FIGURE 7
RK6MB
RK319C
R132
C30C
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