The 103rd Truth About Vintage Amps Podcast. Special guest Mason Stoops (Jackson Browne, Marcus Mumford) walks us through his crazy Marcus Mumford live rig! Plus: Dutch potatoes, shorting jacks, vintage road cases, and more. **Get a glimpse of what Mason is talking about by watching this video:  https://youtu.be/TH-bixpr-EQ and then listen to his explanation on our show (starts at 1:03:28).** :47 What's on Skip's bench: a Mesa Boogie Mark I 2:21 Kevin in Ohio has joined the Rustic Kegger in the Woods (Facebook link), nasty old pine trees 7:53 Eric Daw's Solid Sound book (order link); Daniel Petrzelka's replacement pilot light washers for SF Fenders (contact him via Instagram) 18:42 Easiest way to date a Fender amp; Portland, Oregon's Cast Iron Revival (Instagram link) 22:55 Music recommendation: Sonny Burgess 27:22 A Blonde Fender Bandmaster with failing volume; Nic Grabien 31:09 Gain vs volume, redux; Hotchpotch / hutspot potatoes with kale 38:14 Alternatives to a Fender Champ 12 42:39 Shorting jacks to reduce hum in amps? Mexican gumbo soup 50:32 A 1968 Fender Bassman head with two chokes and a non-original power transformer 54:25 A 1959 Gibson GA-9 with an erratic distortion once the volume is turned up 57:00 Taming the boost on 1979 Fender Princeton Reverb with the pull-boost; original Fender-branded tubes 1:01:34 Alternatives to a Music Man RD-50? 1:03:28 Special guest: Mason Stoops! Stoops' live rig touring with Marcus Mumford, Austen Hooks-modified Filmosounds + "Space Heater" amps, Kalamazoo Model 2s, a Peavey Studio Chorus, LED lights, playing with Jackson Browne, and so much more. Watch our video here to see what Mason is talking about (and his guitar and pedal setup): https://youtu.be/TH-bixpr-EQ (Thanks, Duncan!) This week's episode is sponsored by Calton Cases, Jupiter Condenser Co., Amplified Parts and Grez Guitars. You can also use the discount code FRET10 to save 10% off your Izotope purchase. Support us on Patreon.com for added content and the occasional surprise and don't forget to get a subscription to the Fretboard Journal (link). Digital subscriptions start at just $30. Submit your amp questions, recipes and life hacks to the podcast via podcast@fretboardjournal.com and don't forget to share the show with friends on social media.