Audio Database


655,000 yen(around the 1977 time)

The typical speaker system of Altech.

From the higher rank model of A7, a low-pass unit is put into the enclosure which combined the front phone and the bus reflex, and it has the composition of having installed the phon in the upper part.

Rating of a mode
System 2way and 2speaker front load phone + bus reflex system and a floor type
Use unit etc. For low-pass: 38cm corn type (515B)
For high regions: Phon type (288-16G+311-90)
Network: N500 F-A
Enclosure: 828B
Impedance 16ohms
Play frequency band 30Hz - 15000Hz
Output sound pressure level (new JIS) 106dB
Allowable input (continuation program) 75W
Crossover frequency 500Hz
Dimensions Width 762x height 1470x depth of 612mm
Weight 75.6kg