Shure Incorporated
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R174
Replacement Cartridge
General Description
R174 Replacement Cartridge for BETA 56A Microphones
The Shure Model R174 is a direct replacement cartridge for Shure Model BETA 56A
supercardioid dynamic microphone and offers the same high-quality performance as the
original cartridge.
CARTRIDGE REPLACEMENT
Required Tools :
1/16” Allen wrench.
Small Phillips-head screwdriver.
Small flathead screwdriver.
Snap-ring pliers with a 1”-2” ring range and .070” diameter tips (McMaster-Carr #5415A33 or equivalent).
Soldering iron
Replacing the Stand Adapter
Insert the BLUE, RED, and GREEN lead wires through the hole on the front of the stand adapter and out
through the XLR connector chamber.
Insert the extension spring into the opening of the through-hole. Make sure the spring is pushed in until it
bottoms out.
Using a 1/16” Allen wrench, secure the setscrew on the stand adapter to lock the extension spring in place.
Place the compression spring and metal washer over the threaded end of the knob screw. Place the rubber
washer between the stand adapter and the inside of the flange. Make sure the rubber washer is on the
groove side of the stand adapter. Secure the stand adapter to the case with the knob screw.
Solder the BLUE, RED, and GREEN lead wires to pins 2, 3, and 1 respectively.
Insert the XLR connector in the XLR connector chamber so the notch on the connector fits into the groove
inside the chamber. Be careful not to pinch the lead wires.
Using a small flathead screwdriver, turn the XLR setscrew clockwise to secure the connector to the stand
adapter.
Removing the Old Cartridge
Unscrew and remove the screen and grille assembly.
Remove the cartridge retaining ring using a set of snap-ring pliers. Insert both needles of the pliers into each
of the holes on the ring. Close the pliers so that the ring compresses slightly, then remove the ring.
Partially remove the old cartridge from the case, so the inside can be seen.
