A machined ring of copper surrounds the pole piece to counteract the inductance of the voice coil at high frequencies. The 2426J is a professional high frequency compression driver that incorporates JBLs pure titanium diamond diaphragm for ruggedness and outstanding. Ok occdec 106j/ht94 jbl driver Netherlands. Through holes for external attachment points are also provided. Used Jbl 2426 for sale on 300+ second hand hifi sites & shops. The front snout may be removed (unscrewed) to allow standard 1-3/8" - 18 screw mounting. Mounting is provided for standard 25 mm (1") three-bolt pattern. Diaphragm assemblies are rim centered rather than pin mounted, for instant interchangeability and ease of field service. Additionally the press-fit assembly and interlocking parts assure greater resistance to the mechanical shock. The depth of the diamond pattern is closely controlled to provide predictable frequencies for the 2nd and 3rd normal resonance modes and for the basic suspension resonance.Īll cast parts and tolerances are held to the same levels traditionally associated with JBL designs. JBL's exclusive suspension, consisting of a three-dimensional diamond pattern, reduces bending stresses in the diaphragm support structure. This titanium diamond structure combines the ruggedness of phenolic and composite-type diaphragms with the outstanding frequency response of fragile aluminum and exotic metal diaphragms. The JBL 2426J is a professional quality high frequency compression driver, which incorporates JBL's titanium diamond diaphragm.
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