The advantage series is the use of solid cones for co-axial speakers. This design eliminates the possibility of dirt, dust and moisture in the clearance between the magnet and voice coil.
Power 60/120 Watts Frequency range 80-20, 000 HZ
Power 75/150 Watts Frequency range 70-20 000 HZ
Power 100/250, W Frequency range 50-20 000 HZ
Power 80/150, WFrequency range75-20, 000 HZ
Power 90/180 WattsFrequency range65-20, 000 HZ