The one-inch exit compression driver rose to prominence nearly 70 years ago, implemented in classic products such as Altec Lansing’s 604 coaxial and the venerable Voice of the Theatre A-7. With the need for higher power handling, 1.4- and 2-inch drivers since became popular choices, although 1-inch designs remain a standard, as an MF/HF driver in smaller speakers and for upper-MF reproduction in larger multiway and line array systems.
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In surveying the 1-inch HF driver market we found models to suit nearly any budget (prices given are street or MAP) and various and horn mounting options — both bolt-on and screw-on. Other companies also make 1-inch drivers, but limit their sale mostly as replacement parts for their existing speakers and are not included in this survey. If you require more information, datasheets, etc., each company’s URL is included, for more exploring.
