Celestion TF1525 250W 15″ Ferrite Magnet Mid Driver W/ Pressed Steel Chassis
Item Code: TF1525 8 Ohm . Magnet type: Ferrite. Chassis type: Pressed steel. Magnet weight: 1.2kg / 42oz. Surround material: Cloth-sealed. Voice coil material: Round copper. 15in bass and mid-range speaker driver unit providing 98dB sensitivity.