ALTEC 806-8A + ALTEC 811B Sectoral Horns, 1973-1976, made in USA

Link: lansingheritage | audio-heritage

ALTEC 806-8A

Released in 1973 - 45,000 (1 unit, circa 1976)

Driver unit used for A7 - 8 and late Valencia etc.
Magnetic circuits are different between 806 - 8 A and 802 - 8 D.
Broadband playback is possible by combining with 511 B horn and 811 B horn
High performance is secured by aluminum alloy diaphragm and equalizer by special double slit structure of precision machining.

Model Driver unit

Frequency characteristic 500 Hz to 20 kHz

Permissible input 30 W

Impedance 8 Ω

Output sound pressure level 107 dB / W / m ||| 108 dB (New JIS, described in 1977 catalog)

Magnetic flux density 13,000 gauss

Crossover frequency 500 Hz or more

Throat diameter 25 mm

Voice coil diameter 45 mm

Suitable horn 511B, 811B

Adaptable network N501-8A, N801-8A

External dimensions Diameter 114 × depth 83 mm (described in 1974 catalog) ||| Diameter 114 × depth 71 mm (described in 1976 catalog)

Weight: 2.6 kg

Weight Driver + Horn: 7.2 kg

Серийники рядом #69 и #73 - одна партия