NAMM '16 - Engl Ironbass Demo Jason ShadrickFebruary 29, 2016VideoThe German amp builders show up with a new Class-D bass head that features two ECC83 preamp tubes and cranks out 800 watts.englwhats-newvideosbass-tube-headsnamm-2016gear-show-demobass-gearspecial-featured-storiesampsgearBassAmpsVideosNAMMGearReviews