Application/use
In the tweeter market, the AMT competes against electrostatic, ribbon and electrodynamic tweeters. While apparently very good as a mid-tweeter or full tweeter, the AMT is not commonly employed as much as one may expect in lower-end speakers. This is due mainly to the AMT's characteristics of a dipole sound radiator, which makes enclosure in traditional speaker cabinets difficult without sacrificing sound quality or employing sound reflex baffles. The AMT can reproduce sound down into the low mid-range fully competently, making design decisions regarding crossover points difficult (depending on the model ESS was using a cut-off frequency of 12 db at 800 Hz, 1 khz, or in the case of the smaller air-motion transformer unit, 2.4 kHz).
Read more about this topic: Air Motion Transformer
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