Aeon -amps?

I've red somewhere that they used Tech 21 PSA 1.0 and Rocktron Velocity poweramps (but the old ones, 300 and 500 Watt Version).
But the Homepage says that just one of them uses this setup at the moment (with Marshall Cabinets), the other guy just uses that:

Equipment
Main guitar:
Schecter C-7 Hellraiser with an EMG 81-7 pickup in bridge position and an EMG 707 in neck position.

Backup guitars:
Schecter A-7 plus (original condition)
Ibanez 7420 with exchanged pickups ot Dimarzio Tonezone

Amp:
Engl Powerball v2

Cabs:
1x Engl 412 std straight
1x Engl 412 std slanted

Extras:
ISP Decimator noisegate