I use it for a long time now, I used my amp for my heads of medium and treble and indeed it runs very well, it is driven by an active filter set from 500 to 20kHz her flinch,
it takes more than 9 full-speed (last LED lit Standing before the clip LED) so that it begins to heat up if nikel in the 17kg weight for okkaz good value especially if it is complete (notice board) and not damaged or scratched