Some voice coils have heat sink hole, but some do not have it. Random shipment of two kinds
Due to manual measurement,please allow 0.5-1mm deviation
KSV Bass Voice Coil
Voice Coil Inner Diameter: 19.1mm, 25.5mm, 30.5mm, 32.5mm, 35.5mm, 36.5mm, 38.5mm, 44.5mm, 48.5mm, 49.2mm, 49.5mm, 50.2mm, 51mm, 51.5mm, 61mm, 61.5mm, 63.5mm, 64mm, 64.5mm, 65.5mm, 75.5mm, 76.2mm, 76.5mm, 76.9mm, 77mm, 77.5mm, 99.2mm, 99.5mm, 99.8mm, 100mm, 100.2mm (If you need other size, please contact us, thanks.)
Sound Film Material: KSV Kapton
Wire Coil Material: Copper Wire
Size: (Error: ±1mm)
Package Included:
Voice Coil x 2