ALTEC A7-800 HF system complete - removed from A7 Voice of the Theatre cabinets.
Genuine ALTEC "Voice of the Theatre" A7-800 8-ohm Horn HF components.
Add professional mid/HF articulation & presence to any good bass
cabinet. ALTEC N801-8A 800 Hz, 12dB/octave 8-ohm crossover networks with
variable 20 dB attenuators are included.
Famous 811B ALTEC Sectoral Horns were used in dozens of ALTEC-PRO Studio
Monitors, Flamenco & Valencia home models, Seeburg Discotheque
Jukeboxes, and were an integral horn in many of the contractor models
for 50+ years.
Most of the portable ALTEC 12xx series of Musical Reinforcement speakers
had 811B's with 807 drivers inside. 807-8A = Symbiotik surround
high-power version of Aluminum surround 806-8A. Both have 1.75" voice
coils driving Aluminum diaphragms into 1" Horn Throats = 105 dB/Watt! See this: http://www.lansingheritage.org/images/altec/reference/1975-drivers/page10.jpg