Quote Originally Posted by whitebroncoii View Post
Although I am not a driver engineer, I can tell you that HF compression drivers' throat sizes are around 1/2 the diameter of the voice-coil. The Altec large format drivers have a 2.8" voice-coil and a 1.4" throat. The Altec small format driver has a 1.75" voice-coil and a 1" throat. Others;

Agreed. There ARE a lot of 3 inch diaphragm 2 inchers out there (BMS, RCF,Beyma,Paudio). I consider them a 1.4 with adapter regardless.


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