The woofers mounted on the front, driven by the amplifier, generate a signal via a second voice coil, which should control the passive woofers mounted on the rear and coupled via a common volume.
Other models of the same series:
Manufacturer: I.Q
Model: System 100T
Years of construction: 1994
Manufactured in: Germany
Color: Oak P43, oak light, oak black, oak white, Bubinga, beech, church tree, walnut tree
Dimensions: 200 x 920 x 270 mm (W x H x D)
Weight: 21 kg
Factory price approx.: 5000,- DM/pair
Type of construction: 2.5 ways with passive diaphragm, inductively coupled