Reference Standard 7 (B)

Introduced: 1982
Dimensions: 55 x 34 x 25 cm
Bass: 1 x 20 cm
Mids: 1 x Polypropylen
Highs: 1 x EMIT
Suggested for amplifiers with: 20-100 Watts per channel
Frequency range: 45 Hz - 32 kHz
Crossover frequencies: 500 Hz, 5000 Hz
Suggested price (pair): 398 $

A technical sheet with crossover schematics can be seen here.