The MK II version was lacking in the treble region. I have added a tweeter and fidled with the crossover.
The tweeter is a BG Neo-3, the midrange is a Wildburro Audio Betsy and the 2 woofers are Eminence Alpha 15A.
The system is tri-amplified fully active using a Behringer DCX 2496 crossover, a Behringer iNuke 3000 DSP (modified) for the bass, a DIY chipamp for midrange and a DIY Tubelab SSE for the tweeters, a passive DIY volume control / source selector and a line driver from Abacus.
The crossover points are:
- Low pass 200 Hz, 18dB Butterworth
- Band pass 200 Hz – 2000 Hz 18 dB Butterworth
- High pass 2000 Hz 24 dB Butterworth
- No EQ is used
The overall frequency response is very good. Needless to say, that the sound is very lovely indeed. This one is a keeper!