IQ Audio System 300T

Inductive coupling
The front-mounted woofers, driven by the amplifier, generate a signal via a second voice coil that is intended to control the passive, rear-mounted woofers, which are coupled via a common volume.

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Manufacturer: I.Q
Model: System 300T
Year of manufacture: 1994
Dimensions: 280 x 1250 x 380 mm (W x H x D)
Weight: 45 kg

Technical data: Passive speaker 300T

speaker type: 3 way with passive diaphragm, inductively coupled
drivers:
Low frequency: 2x 220 mm
low frequency: 2x 220 mm
low-midrange: 1x 170 mm
tweeter: 1x 28 mm replacement recommendation by M. Diestertich (2009) - manufacturer Scan Speak, type D2904/980000 - no changes to the crossover necessary
Power handling (nominal/music): recommended 50 - 400 Watt
Impedance: 4 Ohm