Quantum 2

Introduced: 1978
Dimensions:  125 x 45,5 x 33 cm
Wight: 40 kg per Box
Bass: 1 x 30 cm double Coil
Mids: 1 x Midbass coupler, 2 x 3,8 cm
Highs: 4 x EMIT (one on the back)
Suggested for amplifiers with: 45-350 Watts per channel
Frequency range: 24 Hz - 32 kHz
Crossover frequencies: 200 Hz, 600 Hz, 4000 Hz
Suggested price (pair):  1500 $

Click below for the owners manual.
page1, page 2, page3

You can view a brochure of the Quantum 2 here.
page 1, page 2

A technical sheet with crossover schematics can be seen here.