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Isobaric cab?

Interested to know if the isobarik design went ahead (or not),
I am in the mood to build myself another bass amp/cab (combo),
my previous project was a quad 6 1/2" drivers + horn (Win ISD design),
with 600 watt class D power supply and 500 watt class D power amp module,
the front end is a tube preamp & 3 band EQ (Fender/Alembic design).
Also a 6J1 tube buffer before the power amp and a for the xlr D.I. out.

I have used this for gigs and practice for the last 5 years, and this really punches above its weight,
reasonably light weight and compact.

Due to my use of modelling processors GR-55 & SY-1000), my needs are for full range, and now I about to plan a new compact combo bass amp with insane power,
stereo this time.

This time I am thinking isobarik to save space, using four x 8" drivers, and two x 1" horns & flares,
and 2 x 700watt (@4ohm) class D amp module.

I am still searching for anyone's isobarik success stories.