The Model R65 is a direct cartridge replacement for the Model 565 Series, the Model PE56 Series, and the Models 566, PE566 and PE50SP UNISPHERE 1 Dynamic Microphones.

Installation and Connections:To install the R65, proceed as follows:

1. Holding microphone in upright vertical or near vertical position, remove screen assembly. Grasp cartridge case firmly and unscrew (turn counter- clockwise) and remove cartridge assembly from microphone.
2. Unsolder leads from old cartridge terminals Note lead colors and cartridge terminal coding before unsoldering.
3. Connect leads to replacement cartridge observing same lead color and terminal coding as in original microphone.
4. Screw new cartridge into microphone case (turn clockwise) AFTER twisting in opposite direction (counterclockwise) five turns to twist leads
5. Tighten new cartridge case assembly securely to microphone case using leather strap wrench if necessary. Reassemble screen