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Compression Driver

Altec Lansing Compression Driver Rear Loading Caps

In the spring of 2008 I was loaned a pair of Altec Lansing Super Duplex 604E for testing and research about possible crossover improvements. Unfortunately, one of the drivers had sustained damage to a compression driver binding post during shipment, and as I removed its rear cap for an inspection of the damage I discovered that the 604E had been equipped by Altec with compression driver rear loading caps. I remember the first time I removed the rear cover of an Altec Lansing small format compression driver (1” dia. throat) and saw a black plastic factory loading cap mounted over......

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Great Plains Audio was born out of the Altec Lansing corporation in 1998. It carries forward the loudspeaker design and manufacturing tradition that began with Western Electric in the early 20th century. Great Plains Audio is the only place where the legendary Western Electric/Altec Lansing sound reproduction technologies live on.

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