User manual ALTEC LANSING 288D HF DRIVER

[. . . ] The 604 is a "Duplex®" or coaxial loudspeaker utilizing a 15" woofer and a 1" throat HF compression driver (1. 75" voice-coil). [. . . ] The 604 is a "Duplex®" or coaxial loudspeaker utilizing a 15" woofer and a 1" throat HF compression driver (1. 75" voice-coil). The HF magnet mounts directly to the back of the woofer magnet and the throat of the HF driver extends through the center of the woofer to a small horn. . 604 B, C, D, E 16 ohm Alnico Circumferential Multicellular 15. 2" Rear Mount N-1000-B (B) N-1600-A(C, D) N-1600-A (E) 1000 Hz (B) 1600 Hz (C, D) 1500 Hz (E) 30W (B) 35W (C, D, E) 604-8G 8 ohm Alnico Circumferential Multicellular 16" Front or Rear Mtg. = New crossover and diaphragm assembly improved power handling, delivered smoother mid-range, and exhibited lower distortion = New Tangerine® phase plug and Mantaray® horn improved high frequency coverage. = Same as K with new crossover network, hand-built for Altec Lansing Professional by Great Plains Audio, USA [. . . ] = New crossover and diaphragm assembly improved power handling, delivered smoother mid-range, and exhibited lower distortion = New Tangerine® phase plug and Mantaray® horn improved high frequency coverage. [. . . ]