Episode 104: No special guests, but lots of amp questions answered, plus plenty of schematic talk, A/B/Y boxes, a recipe or two, and a parenting tip!
Some of the topics discussed:
1:03 A 1954 Fender Extension Cabinet (tweed but painted black); Fender Amps: The First 50 Years (Amazon link); Asbestos in amplifiers
7:04 Why are the PA amps I restore so loud? Masco MA-25; Stromberg-Carlson AU42
12:49 resistance versus impedance; the functions of a choke in an amplifier
18:37 What happened to the quick & easy recipes? Canned Soup Hacks; Replacing a defective terminal block
23:13 Attaching a three-pin connector to an old Variac; Recommended Movie: Rumble: The Indians Who Rocked the World (Link)
27:08 A one-tube reverb circuit (Link); Kodak projectors; a voltage doubler
30:15 Getting your kids interested in electronics; paper planes; candle powered boats (amazon link)
Amplified Parts Pedal Kits (Link)
35:21 Working on early Carvin tube amps
39:09 Jack’s Darr’s Fender schematics
40:48 A 6G3 clone with a tube rattle; pipe clamps; goats
46:59 A Vega Commander Fidelity Amp Model #51; 1273 tubes
52:57 A “pop” when you turn on your pedal
57:15 Why don’t more players use an A/B/Y and play multiple amps at the same time?
1:00:02 The bass control on a Gibson EH-185 scheme, amps not using a Baxandall tone control
1:03:03 What is the amp that came with my lap steel, what about the 80’s tube, how do I find a schematic for it, and what do I do with it?
1:09:20 Metal tubes versus glass tubes
1:11:50 The history of Rogers HiFi systems; Pizza Beer Bread
1:14:58 Recommended: The Computer Clinic of Chico, California
This week’s episode is sponsored by Calton Cases, Amplified Parts and Grez Guitars. You can also use discount code FRET10 to save 10% on your Izotope purchase.
Support us on Patreon.com for additional content and the occasional surprise, and don’t forget to subscribe to Fretboard Journal (link). Digital subscriptions start at just $30.
Submit your amp questions, recipes, and lifehacks to the podcast over podcast@fretboardjournal.com and don’t forget to share the show with friends on social media.
The Truth About Vintage Amps is hosted by amp tech Skip Simmons. Co-hosted and produced by the fretboard journalis Jason Verlinde.
Want to see all of the past topics discussed on the TAVA Podcast? Click here for all show notes on one page.
Above: Listener Dayn’s lap steel and amp.
Below: Listener Scott’s Vega Commander amp.
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