Heft Test @ SE Bash 2018

Can we really hear or feel the difference between valve amps and Class D amps? Will our trousers flap? We pit the two types of amp against each other and listen. Led by Silverfoxnik and Chimike.
Amps used in the test:
Valve:
Quilter Bass Block 800
HB WB-100
Ampeg V4BH
Trace Elliot V6
Class D:
Aguilar Tone Hammer 500
Microtube 800
Markbass F1
Peavey MiniMax
Mesa Walkabout