About this episode
It's the 95th episode of the Truth About Vintage Amps! Despite some technical / Zoom difficulties, Skip and Jason talk about replacement transformers, smoking Earthsound amps, bias, and more. 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. Some of the topics discussed this week: 1:32 Econoco, the giant tube rebuilding place in Woodland, California ( link , h/t www.reelaudio.net ) 3:16 Cordless yard tools 4:31 What's on Skip's bench: A Charlie Christian-style amp head for Todd Clinesmith; John Munnerlyn's Magnatone-inspired guitars, the power transformer from a blonde Tremolux head; blue molded caps 9:56 The Truth About Vintage Amps Patreon page ( link ); congrats to Patreon supporter Josh F. on winning a Body and Soul fuzz pedal ( Body and Soul on Instagram ) 14:18 Nate the syrup guy's 1965 Vibro Champ, redux; inverse feedback; reversing the primary leads on the power transformer 20:31 Beginner's Corner: Cathode bias vs. fixed bias vs. grid bias 25:07 Find this guy: Ham operator Armond Noble, the Kon-Tiki, World Radio News 27:00 A 1964 Fender Super Reverb with a strange volume taper 30:57 A tuxedo Princeton going to the Los Angeles Guitar Show 31:45 Mid-'60s Ampeg B-18N with a weird noise and a single glowing power tube that fixes itself with the standby switch 37:32 A loose rectifier tube in a 1968 Fender Deluxe Reverb 41:32 Fumes from soldering 43:35 Fixing the polarity at a local dive bar 50:38 The goat murder trial is over 53:25 Sourcing the washer behind the jewel light on a Silverface Champ 58:04 Schematics for a Webster TP12-1 PA, making a Blackstar cleaner by swapping the pre-amp tube 1:03:44 A smoking 1973 Earthsound amp 1:11:20 A Harmony H400 combo up for grabs; the Fender Bantam Bass schematic 1:15:09 Replacement output transformers for Fender Champs, Princetons, and Deluxes; rewinding output transformers 1:26:37 Literary recommendation: 'Guns, Germs, and Steel: The Fates of Human Societies' by Jared Diamond Submit your amp questions, recipes and life hacks to the podcast via podcast@fretboardjournal.com and don't forget to leave us a review on Apple Podcasts.