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Describes the A400SM Shock Mount, reducing impact/surface noise by up to 20 dB.
A400SMXLR adds XLR connector and insert for quick release.
Retrofits existing A400SM shock mounts for quick release.
Allows mounting A400SM Shock Mount in A99SM specific holes.
Describes the A400SM Shock Mount, reducing impact/surface noise by up to 20 dB.
A400SMXLR adds XLR connector and insert for quick release.
Retrofits existing A400SM shock mounts for quick release.
Allows mounting A400SM Shock Mount in A99SM specific holes.
This document describes the Shure A400SM, A400XLR, A400SMXLR, and A99SMA, which are accessories designed to facilitate the installation of gooseneck microphones in permanent setups, primarily focusing on shock isolation and connectivity.
The core component is the A400SM Shock Mount. Its primary function is to reduce the transmission of unwanted noise, specifically impact or surface-borne vibrations, to the microphone. It achieves this through Shure's proprietary Shock-Stopper™ construction, which is engineered to attenuate such noise by up to 20 dB. This feature is crucial in environments where vibrations from desks, podiums, or other surfaces could otherwise compromise audio quality. The A400SM is designed to be versatile, accommodating a variety of gooseneck microphones, making it a flexible solution for different applications. Installation of the A400SM involves drilling a 44 mm (1 3/4 in.) hole through the mounting surface. The shock mount itself then serves as a template for drilling pilot holes, ensuring accurate placement. Once the pilot holes are drilled, the shock mount is securely fastened to the surface using the supplied screws. This straightforward installation process allows for quick and reliable deployment.
For enhanced connectivity, the A400SMXLR combines the A400SM Shock Mount with an integrated XLR connector. This accessory adds a 3-pin XLR-type (female) quick-release connector and an A400XLR insert to the shock mount. This integration streamlines the setup by providing a direct and secure connection point for microphone cables, eliminating the need for external adapters or messy cable management. The quick-release feature of the XLR connector allows for easy attachment and detachment of microphones, which is particularly useful in multi-purpose spaces or where microphones need to be frequently moved or replaced. Installing the A400SMXLR involves a few additional steps. First, the microphone cable needs to be threaded through a rubber grommet, the shock mount, and the A400XLR insert. Next, the cable is connected to the A400XLR Connector using a two-conductor shielded microphone cable. The connector then snaps into the insert, and a locking screw is extended through a hole by turning it clockwise, securing the XLR connector in place. Finally, the connector/insert assembly is inserted into the shock mount, and the rubber grommet is stretched over the lip at the bottom of the insert to secure it within the shock mount. This ensures a robust and stable connection.
The A400XLR is a standalone accessory designed to retrofit existing A400SM shock mounts, providing them with quick-release XLR connectivity. It includes both the A400XLR connector and the insert. This means that users who already have A400SM shock mounts can upgrade their setup to include the convenience of a quick-release XLR connection without having to purchase an entirely new A400SMXLR unit. This offers a cost-effective solution for enhancing functionality. The installation process for the A400XLR when retrofitting an A400SM would follow similar steps to those described for the A400SMXLR, focusing on integrating the connector and insert into the existing shock mount structure.
Finally, the A99SMA Adaptor addresses compatibility issues by allowing the A400SM Shock Mount to be installed in existing holes drilled for the A99SM Shock Mount. This adaptor is particularly useful in scenarios where an upgrade from an A99SM to an A400SM is desired without the need to drill new mounting holes. It can accommodate holes up to 2 1/2 inches in diameter, providing flexibility in legacy installations. The installation of the A99SMA Adaptor involves first removing the existing A99SM Shock Mount from the mounting surface. Then, the A99SMA Adaptor is attached to the surface using the existing screw holes and provided screws. Once the adaptor is in place, the A400SM Shock Mount is inserted into the adaptor, aligning its screw holes with those in the adaptor, and then secured using the provided screws. This ensures a seamless transition and reuse of existing infrastructure.
In summary, these Shure accessories provide comprehensive solutions for permanently installing gooseneck microphones, prioritizing shock isolation, robust connectivity, and installation flexibility. The A400SM offers fundamental shock isolation, the A400SMXLR integrates XLR connectivity for a streamlined setup, the A400XLR allows for upgrading existing shock mounts, and the A99SMA Adaptor ensures compatibility with previous installations. Each component is designed with ease of installation and long-term reliability in mind, contributing to superior audio performance in fixed installations. The modular nature of these components allows users to select the specific features they need, from basic shock isolation to integrated quick-release XLR connectivity, and to adapt to existing mounting configurations. The detailed instructions provided ensure that users can correctly install and utilize these accessories to achieve optimal performance from their gooseneck microphones.
General| Connector | XLR |
|---|---|
| Color | Black |
| Polar Pattern | Not applicable |
| Output Impedance | Not applicable |
| Sensitivity | Not applicable |
