One pair of 4.5 " foam surrounds suitable for the Realistic speakers. This includes the:
MINIMUS 77 etc.
THE GLUE USED BY THE INDUSTRY TO GLUE FOAM SURROUNDS IS OF THE ACETATE FAMILY. IT IS SOLD COMMERCIALLY AS EITHER WOOD GLUE ( PVA ) OR CRAFT GLUE ( EVA ).. IN THE UNITED STATES IT IS SOLD COMMERCIALLY AS ELMERS GLUE.
Specifications are as follows
OUTSIDE OF LIP 113 MM
OUTSIDE OF BUMP 103 MM
INSIDE OF BUMP 83 MM
INSIDE OF LIP 73 MM