Shure R115 User Manual

DYNAMIC MICROPHONE REPLACEMENT CARTRIDGE

The Shure Model R115 is a replacement cartridge for both the

Shure Model 55SH Series II UNIDYNE

SPHERE

®

A dynamic microphones. When properly installed in the
microphone, the R115 will provide performance equal to that of the
original cartridge.

To install the R115 in either microphone, proceed as follows:

55SH SERIES II

1. Remove the four 6-32 x 1/4-inch Phillips head screws securing

the die-cast case front to the die-cast case back. Remove the
case front.

2. Remove the four 4-40 x 5/16-inch round head screws and

lockwashers securing the cartridge assembly to the case
back.

3. Carefully withdraw the black plastic cartridge assembly from

the case back, taking care not to stretch or break the three
leads.

4. Remove the four 7-19 self-tapping Phillips head screws from

the rear of the cartridge assembly and remove the rear cover
from the housing.

5. Using a low-wattage soldering iron, unsolder the three leads

from the cartridge to be replaced.

6. Remove the old cartridge. Keep the aluminum retaining ring.

7. Place the aluminum retaining ring over the rear of the R115

replacement cartridge, and carefully solder the three leads to
the cartridge (see Figure 1).

CARTRIDGE

CODED TERMINAL

55SH INTERNAL CONNECTIONS

8. Carefully insert the cartridge and ring in the black plastic hous-

ing, replace the rear cover, and secure it with the four self-tap­ping screws previously removed.

9. Insert the cartridge assembly in the case back and secure it

with the four round head screws and lock-washers previously
removed. Engage the two lower (toward switch) screws first to
align the assembly.

10. Replace the case front and secure it with the four Phillips head

screws previously removed.

SWITCH XLR

BLACK

YELLOW

BLUE

FIGURE 1

®

and 586 Series UNI-

CONNECTOR

BLACK

YELLOW

2

3

1

Model R115 User Guide

Replacement Cartridge

586 SERIES

1. Grasping the ring (nameplate) of the screen and grille assem­bly, unscrew (turn counterclockwise) and remove the assem­bly.

2. Carefully withdraw the cartridge from the handle. Take care
not to break or stress the leads from the cartridge.

3. Using a low-wattage soldering iron, unsolder the three leads
from the cartridge to be replaced.

4. Carefully solder the three leads to the R115 replacement car­tridge (see Figure 2).

CARTRIDGE

CODED TERMINAL

CARTRIDGE SWITCH CONNECTOR

CODED TERMINAL

5. Carefully insert the R115 cartridge in the handle, taking care
not to stress or crimp any of the three leads. Seat the cartridge
firmly in the handle.

6. Screw (turn clockwise) the screen and grille assembly on the
handle.

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]

TRANSFORMER

YELLOW

SWITCH CONNECTOR

CASE GROUND

BLACK

WHITEGREEN

WHITE

SWITCH SHOWN IN “OFF” POSITION

MODEL 586SA

BLACKBLACK

BLUE

WHITE

WHITE

BLUE

CASE GROUND

SWITCH SHOWN IN “OFF” POSITION

MODEL 586SB

INTERNAL CONNECTIONS

FIGURE 2

BLACK

12

3

12

3

©2005, Shure Incorporated

27C2930 (Rev. 9)

Printed in U.S.A.