Hard Paper proprietary cone materials made in-house for consistency 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 75mm coil former.
Suggested Alignments: Sealed box of 75 litres for an F3 of 38Hz. Vented box 110L for an F3 of 27Hz with a 7.5cm diameter vent by 25cm
