Abstract: A method of fabricating a custom-fit in-ear-monitor (IEM) is provided that utilizes a pre-tuned, single piece driver module to simplify fabrication and reduce cost while insuring that the performance of the IEM consistently meets the acoustic goals set for the device. During fabrication the driver module, the drivers coupled to the module's driver ports, and the crossover circuit are installed in a custom-fit IEM shell such that the module's acoustic output is aligned with the output surface of the IEM shell. After installing the device components within the IEM shell, the shell is sealed.

Abstract: A method of fabricating a custom-fit in-ear-monitor (IEM) is provided that utilizes a pre-tuned, single piece driver module to simplify fabrication and reduce cost while insuring that the performance of the IEM consistently meets the acoustic goals set for the device. During fabrication the driver module, the drivers coupled to the module's driver ports, and the crossover circuit are installed in a custom-fit IEM shell such that the module's acoustic output is aligned with the output surface of the IEM shell. After installing the device components within the IEM shell, the shell is sealed.

Abstract: Registration system and method provide for alignment of films with circuit panels. The exact position of tooling holes in the panel are found using tapered pins. After the exact position of the tooling holes are found tapered registration pins are inserted into the tooling holes. The top of the registration pin is narrower than the tooling hole so that the pin will easily slide into the tooling hole. The middle part of the registration pin is substantially the same size as the tooling hole, thereby ensuring a snug fit between the tooling hole and the registration pin. Where a tooling hole is comprised of overlapping holes, the registration pin contacts several of these holes. A loading apparatus provides pneumatic pressure beneath the registration pin to push the registration pin into the tooling hole. After the registration pins are placed in the tooling holes of the panel, a film is placed on the panel such that the registration pins are inserted into the holes of the film.