This Is A Brand NEW Aftermarket Diaphragm That Will Fit
                                              Altec  288, 291, 299 and 299-AT Driver and Horn. 
SPECS :
  • Overall Diaphragm Diameter:  4 1/8 - 105mm
  • Voice Coil Diameter:  2 7/8 in - 73mm
  • Impedance:  8 ohms.
  • Mounting Holes: 1 7/8 in - 48mm Center To Center

THIS DIAPHRAGM IS 100 % GUARANTEED OR YOUR MONEY BACK !

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