Air Core Coils. With high power rating and low resistance due to 1.2 mm wire, distortion-free, perfect midrange and 2-way coils for hi-fi applications. Inductance | 3.3 mH | Enam. copper wire (CUL) | Ø 1.2 mm | Power rating | 300 WRMS | DC resistance | 0.75 Ω | Dimensions | Ø 70 mm x 30 mm | |