Model R103 User Guide
REPLACEMENT DYNAMIC CARTRIDGE
CAUTION: The microphone cartridge is spring-load-
ed and care must be taken to hold the two halves of the
microphone case firmly together.
1. Gently separate two halves of case, watching for
loose cartridge-shield retaining springs.
2. Remove parts from case front: shield, rear adapter,
cartridge and gasket assembly, front adapter and
pad (previous production), or shield, cartridge and
washer assembly, and screen (later production).
3. Unsolder YELLOW and WHITE leads from car-
tridge terminals.
4. Install new washer on new cartridge and solder
YELLOW and WHITE leads to cartridge terminals.
The Shure Model R103 is a direct replacement car-
tridge for the Shure Model 514B Omnidirectional Dy-
namic Paging Microphone. Note that the R103 and
included parts may differ somewhat from those in the
514B Microphone. The R103 will provide performance
equal to or better than that of the original cartridge.
5. Insert screen and cartridge and washer assembly
in case front as shown in illustration.
6. Replace shield with gag directly adjacent to cable
entry, making sure that retaining springs will
engage properly in notches in shield.
7. Close case halves, taking care that leads are not
pinched and will not touch blades of switch and
bracket assembly.
INSTALLATION AND CONNECTIONS
To install the R103, proceed as follows:
1. Remove three No. 4-4 screws holding case back to
case front. hold the two halves of the microphone
case firmly together.)
8. Holding case halves firmly together, fasten them
with three No. 4-40 screws previously removed.
United States, Canada, Latin America, Caribbean:
5800 W. Touhy Avenue, Niles, IL 60714-4608, U.S.A.
Phone: 847-600-2000 U.S. Fax: 847-600-1212 Intl Fax: 847-600-6446
Europe, Middle East, Africa:
Shure Europe GmbH, Phone: 49-7131-72140 Fax: 49-7131-721414
Asia, Pacific:
Shure Asia Limited, Phone: 852-2893-4290 Fax: 852-2893-4055
©2005, Shure Incorporated
27C1393 (Rev. 4)
Printed in U.S.A.
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