Shure R70 User Guide

Model R70 User Guide

DYNAMIC REPLACEMENT CARTRIDGE

The Model R70 is the replacement cartridge for Shure

Model 570 and 570S omnidirectional dynamic microphones.

INSTALLATION AND CONNECTIONS

To replace the Model R70 in 570 and 570S microphones,

proceed as follows.

1. Unscrew (turn counterclockwise) the head assembly
(see Figure 1) from the microphone case.

HEAD ASSEMBLY

FIGURE 1

2. Disconnect the pin jacks from the cartridge terminals,
taking care not to break any leads.

3. Use a long-nose pliers to engage the slots in the
retainer bushing; unscrew (turn counterclockwise) the
retainer bushing from the cartridge case.

4. Remove the cartridge from the case.

5. Attach the damping pad and spacer to the replacement
cartridge terminals as shown in Figure 1. The damping
pad is placed between the cartridge and the spacer, and
smoothed against the sides of the cartridge; the coded
terminal of the spacer is aligned with the coded terminal
of the cartridge.

6. Insert the replacement cartridge, damping pad, and
spacer in the case, making sure that the damping pad
lies smoothly along the sides of the cartridge, and that
the cartridge terminals are exposed to the rear of the
case.

7. Use a long-nose pliers to engage the slots in the
retainer bushing, and screw the bushing into the case
so the cartridge is securely held.

8. Attach the pin jacks to the cartridge terminals as shown
in Figure 2.

INTERNAL CONNECTIONS

FIGURE 2

9. Rotate the head assembly counterclockwise five times
to twist the leads. Screw the head assembly and case
firmly together.

©2005, Shure Incorporated

27C613 (Rev. 4)

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