ND100-1.5 14115N0108:8HOM The voice coil assembly is

The voice coil assembly is easily fielded replaceable without soldering

with use of 77 mm copper voice coil

specially designed to use in compact  2 way boxes and line array systems

The ND2539 is a 1" professional compression driver that delivers high sonic quality in a very small package

ND100-1.5 14115N0108:8HOM The voice coil assembly isThe ND100 1,5 is powerful 1. 5 neodymium driver , features a Carbone composite dome and vented suspension, providing exceptional high output with low distortion and frequency response with high linearity. The voice coil assembly is easily field replaceable without soldering. It is designed for a wide variety of applications in high quality, high power professional reinforcement systems and stage monitors. SPECIFICATIONS: ND100 1. 5 (oberton. com)