Why are three Manger transducers the preferred choice in ZB models?
With only one transducer in the loudspeaker housing, a typical pressure drop to one half of the original value occurs as soon as the acoustic wavelength matches the housing width. With the two extra bending wave transducers mounted in either side of the cabinet the side-mounted drivers create an acoustic baffle, with no omnidirectional radiation. The front driver is still the main driver, and the side drivers are switched in serial with a coil, so that they just support the front driver’s radiation like an infinite baffle. The side-mounted drivers are faded out above 1000 Hz with a gentle six-decibel filter. The result is that you can’t recognise the cabinet Can the MSW be used as a dipole tweeter? I.e. on an open baffle. It can be used, but we don’t recommend it. The Manger driver works more controlled in the low frequencies if the drivers is built in a sealed cabinet. The spring behaviour of the air controls the diaphragm movement at the low end. You can also drive the Manger with mo
