General Description

The Shure A412B microphone base allows gooseneck microphones to be quickly mounted in situations where permanent installation is impractical. The angled XLR input connector maintains a low profile, while inside the base there is ample room for custom circuitry.

Installation

Attaching a Microphone to the Base

Insert the XLR connector on the microphone into the female XLR connector on the top of the microphone base.

Securing the Microphone Base to a Surface (Optional)

Install two No. 6 wood screws, two inches apart, on the mounting surface (see Figure 1, diagram A).
Place the key holes over the screw heads and push the microphone into position. Adjust the height of the screws as necessary to secure the microphone (see Figure 1, diagram B).

FIGURE 1: SECURING THE A412B TO A MOUNTING SURFACE

Specifications

Weight

Net Weight	0.68 kg (1.5 lbs)
Packaged Weight	0.91 kg (2.0 lbs)

FIGURE 2: DIMENSIONS

FIGURE 3: REMOVING THE BACKPLATE

Accessories

Replacement Parts

Cable (10 ft)	C121
Base Plate Bumpers	80A8053A