Newly developed Norex non-resonant poly-coated fibre cone. Low damping SBR rubber surround with high exertion and resilience. Open structure cast frame for reduced reflections and compression. Aluminium alloy for light weight, non-magnetic and extra rigidity. Shorting Copper cap on pole piece. Non-inductive 30mm coil former. Suggested Alignments: Sealed box of 8 litres for an F3 of 77Hz. Vented box 14L for an F3 of 55Hz with a 5cm diameter vent by 15cm.
