Altec Lansing, Enclosure, models:

1242 HF SPEAKER SYSTEM	Manual
5181-XM	Specification Sheet
5181XM CEILING SPEAKER ACCESSORY	Manual
5183X CEILING SPEAKER ACCESSORY	Manual
5189XM CEILING SPEAKER ACCESSORY	Manual
5194XM CEILING SPEAKER ACCESSORY	Manual
5195X CEILING SPEAKER ACCESSORY	Manual
5281W CEILING SPEAKER ACCESSORY	Manual
5284WM CEILING SPEAKER ACCESSORY	Manual
816B LF SPEAKER CABINET	Manual
816V LF SPEAKER CABINET	Manual
816VIX LF SPEAKER CABINET	Manual
817 LF SPEAKER CABINET BEAMWIDTH CHART	Manual
817A LF SPEAKER CABINET	Manual
817B LF SPEAKER CABINET	Manual
828H LF SPEAKER CABINET	Manual
AB LF SPEAKER SYSTEM SUSPENSION KITS	Manual
AcoustaBASS AB8500	Specifications