Shure R45 User Guide

Model R45 User Guide

UNIDIRECTIONAL DYNAMIC CARTRIDGE REPLACEMENT

GENERAL

The Model R45 is a direct replacement cartridge for

®

Shure UNIDYNE

III Series Microphones in the Model

545 Series and the Model PE54 Series.

INSTALLATION AND CONNECTIONS

To replace the R45, proceed as follows:

1. Holding the microphone in an upright vertical or
near vertical position, grasp the cartridge case
firmly and unscrew (turn counterclockwise) and
remove the cartridge case-grille assembly from the
microphone (see Figure 1).

NOTE: If the cartridge case-grille is firmly locked
to the microphone case, use a leather strap
wrench to loosen the cartridge case.

2. Unsolder the leads from old cartridge terminals.

3. Connect the leads to the new replacement car­tridge. Note the leads colors and terminal coding
as in Figure 1.

4. Screw the new cartridge into the microphone case
(turn clockwise) AFTER twisting in the opposite
direction (counterclockwise) five turns to twist the
leads.

5. Tighten the new cartridge case-grille assembly
securely to the microphone case using a leather
strap wrench if necessary.

©2005, Shure Incorporated

27C436 (Rev. 5)

CARTRIDGE REPLACEMENT

FIGURE 1

SHURE Incorporated http://www.shure.com
United States, Canada, Latin America, Caribbean:
5800 W. Touhy Avenue, Niles, IL 60714-4608, U.S.A.
Phone: [phone] U.S. Fax: [phone] Intl Fax: [phone]
Europe, Middle East, Africa:
Shure Europe GmbH, Phone: [phone] Fax: [phone]
Asia, Pacific:
Shure Asia Limited, Phone: [phone] Fax: [phone]

Printed in U.S.A.