I just completed the chassis of new 5F11 (tweed Vibrolux) amp. This one will function as a spare for, or a pair with, the 5F11 I built in May. I don't have the cabinet yet. It will be brown tolex with wheat grille cloth (or close). Here's what the chassis looks like. I had to replace the fiberboard-mounted 68k input resistors with a flying trio because of "tweed disease." In other words, there was a few mV DC on the input jacks, which makes the guitar volume pot scratchy. Now everything is AOk. So far the first 5F11 has been working for most of my gigs. And for an old geezer like me, the good news is that, even with tiltback legs installed, it only weighs 26 lbs!