Altec 604E

These are Altec 604D Duplex Loudspeakers. They were sent to Great Plains Audio in 2014 and were re-magnetized and re-coned to 604E specifications. The horns and diaphragms were fully tested. These are essentially now Altec 604E according to Bill Hanuschak, Great Plains Audio. The crossovers were ...

These are Altec 604D Duplex Loudspeakers. They were sent to Great Plains Audi...