GRAS RA0392 MagMount™ Mounting discs for 147AX, including double-sided adhesive tape

Introduction

The MagMount™ mounting system consists of the GR2172 flat metal disc which functions as a mounting base for the microphone. The flat metal disc is for mounting at the designated mounting point and can be secured with glue, double-sided bonding tape or a screw. Using the DB0481 double-sided bonding tape ensures an extremely strong mounting, but using glue may also be a good choice. The  MagMount™ system is completed when using the 147AX microphone set (not included), that has a magnet at the rear of the microphone housing, which will magnetically attach to the metal mounting disc.

When the 147AX microphone set is placed over the mounting disc, a center guide ensures that the microphone will be attached and centered to the disc correctly once the magnetic force kicks in. In this way, it is easy to mount in difficult-to-access locations with no loss of placement accuracy.

This mounting system makes it possible to mount and dismount the microphone repeatedly even in difficult-to-access spaces where you cannot see what you are doing. When a microphone is dismounted and later remounted, the difference between these two mountings will be only a fraction of a millimeter. In this way, variations in transducer position from test to test are minimized, ensuring very good repeatability even if all microphones have been dismounted between measurements. Also, transducer placement inaccuracies due to operator error are no longer a problem.

This system makes it easy to document how microphones have been placed during a given test, and it makes it possible to identify and prepare measurement positions at an early stage, e.g. before the room in which they will be used is finally assembled.