This is a highly detailed and accurate model of a high fidelity three-way loudspeaker, with a dome tweeter, two mid/bass polypropylene drivers, and front port. The model is based on measurements from an actual speaker (a very good sounding one, at that). A (fictitious) speaker stand is also included.
The complete speaker and stand are in two layers, so the stand is easily separated. There are 49 named construction layers, also included, for the speaker. These allow for customizations or for easily using the individual drivers in other enclosures. (Note, however, that there are no internal details behind the drivers, so if they are to be shown outside of an enclosure or in a translucent or transparent enclosure, additional modelling will be required.)
The model is polygonal, with the exception of all screw heads, which are subpatches (subdivision surfaces). If you're not doing a close-up rendering, you may want to turn off subdivisions in order to speed up rendering.
The OBJ version consists only of triangles, with subdivisions frozen. The screws are provided at both level 1 and level 2 subdivisions. The whole model (not counting construction layers) in OBJ format is 35475/22421 and 53937/32114 polygons/vertices with level 1 and level 2 subdivisions, respectively.
Basic materials are included with the LWO version, which produced the renderings shown. Depending on the intended use, one may want to change the materials - for instance, adding a black wood veneer texture (as was present in the real thing). This is a very clean model, so there should be little trouble in making such adjustments as desired.
The enclosure is not realistic with respect to the internal volume; however, this is unimportant unless you want a view from inside the speaker, which is outside the intended use. There are also no details of the drivers' back sides or any circuitry inside. The insulation inside is also missing.
Under specific viewing conditions, the absence of the insulation inside might cause objectionable light reflection off the back interior. This can be fixed either by adding insulation (not included), or by assigning a completely non-reflective (pitch black) material to the interior polygons.
The actual speaker also included a cloth grille, which is not included in the model. It can be modelled easily, but would completely obscure the view of the interesting front facing components shown in the model.
IMPORTANT: This model does not include any detail on the back. There are no connection terminals included. In typical scenes, speakers would not be seen from the back, and so these details are not needed. If you do need terminals, you'll have to add them in; this also allows you to use the type of terminals most suitable to your project.
NOTE: The OBJ version does not have the material settings. It still has the material assignments, so it should be straightforward to colour it to your liking in your 3D package of choice.