Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Tools and Equipment (hierarchy name)
5. equipment
6. [equipment by process]
7. [equipment for transmitting and reproducing sound]
8. audio equipment

Anotations

Scope note:

Small removable cases that are part of pickup arms on phonographs, gramophones, or record players. Cartridges contain styluses and mechanisms for translating stylus motion into changing electrical voltage.