The Truth About Vintage Amps with Skip Simmons

Fretboard Journal
  • 4.8 (24)
  • MUSIC HISTORY
  • UPDATED FORTNIGHTLY

Twice a month, guitar amp guru Skip Simmons fields your questions on vintage tube amp repair, restoration and collecting. Often hilarious and always insightful, it's like no other guitar podcast out there.

  1. 25 APR

    "Kern County Wool Growers"

    Episode 164 of the Truth About Vintage Amps Podcast, where amp tech Skip Simmons tackles all of your questions about guitar tube amps!   Thank our sponsors: Grez Guitars; Emerald City Guitars; and Amplified Parts / Mod Electronics.  Some of the topics discussed this week: :37 The Garnet book and Garnet ponderings (order the book: http://www.garnetamps.com/order_b.htm), bias supply voltage in optocoupler tremolo    6:13 Our sponsors!  8:21 Two Fretboard Journal videos to check out: Ryan Richter on playing Coachella with Dijon (YouTube link); Gabe Noel playing a Rickenbacker bakelite tenor guitar with matching amp (YouTube link) 14:12 Beginner's corner: Amp switching, comparing different cabinets; reheating white rice; Basque soup 23:25 Can I use my Champ as a bass amp? Bass amp hacks  28:02 Does anyone have spare silverface Fender pilot lot washers, or a toggle switch washer for a Fender?  30:23 Having built a tweed Princeton, Harvard and Deluxe, what should I build next? Spam and Dr. Pepper 32:48 Can you convert the XLR speaker jack on an Ampeg B-15N to a quarter-inch jack?    35:29 The week of three curveballs: A Princeton Reverb drawing too much current; codependent electrolytic capacitors; a reverb unit that eats power transformers; Dave Segal needs an amp on the Oregon coast    44:26 A black panel Fender reverb unit with a two-prong cord    47:17 A two-prong plug needed in Norway (postscript: Jason already sent him one); reading It to your kids, redux; science fiction recommendations?    52:40 The TAVA bookshelf: An '90s Guitar World article on Cesar Diaz; Loomis, California's High Hand nursery    57:06 Plate current on a Suhr Bella 44; Tucana (https://tucana.bandcamp.com/); homemade apple cider    1:05:27 What's with the deal with the little rubber donuts for tubes? Jason is running through the night   1:10:36 Why are the plate voltages so different on my tweed Fender Deluxe clone?    1:16:35 Skip's pre-barn sale barn sale (just call Skip) Want amp tech Skip Simmons' advice on your DIY guitar amp projects? Want to share your top secret family recipe? Need relationship advice? Join us by sending your voice memo or written questions to podcast@fretboardjournal.com! Include a photo, too. Want to support the show? Join our Patreon page to get to the front of the advice line, see exclusive pics, the occasional video and more.  Hosted by amp tech Skip Simmons and co-hosted/produced by Jason Verlinde of the Fretboard Journal.

    1hr 20min

  2. 11 APR

    "Thoughts Go to Cornbread" (Special Guest: Roy Rogers!)

    Acclaimed guitarist Roy Rogers joins us this week to talk about his unique gear choices, working with John Lee Hooker, vintage amps and so much more!  Thank our sponsors: Grez Guitars; Emerald City Guitars; and Amplified Parts / Mod Electronics.  Some of the topics discussed this week: :56 Eric Barbour's the Tube Dumpster in Vacuum Tube Valley: 6K6, 6F6, 6Y6 tubes 2:39 A flea market Tweed Bassman 8:51 A Garnet book giveaway!  13:42 What's on Skip's bench: A distribution pre-amp 17:12 Special guest: Roy Rogers: 'The Sky's the Limit' (his new album, out now!); Mesa Boogie Mark IIB and Epiphone Electar Zephyr amps; DeArmonds in flattop acoustics; Martin New Yorkers; his custom Chappell Guitars double-neck; Johnny Shines; working with John Lee Hooker; the Hot Spot soundtrack (with Roy Rogers, Miles Davis, John Lee Hooker, and Taj Mahal!!) Get Roy's new album here: https://royrogers.hearnow.com/ Order 'Gaynell's Kitchen - Down Home Cooking from A Wayward Southern Belle': https://amzn.to/41mcZBn 1:27:45 How can a Traynor Bassmaster Mk. II be rated at 90 watts, while the same power-tubed YBA-1 is only 40? 1:32:14 Is Skip related to Chris Shiflett? 1:33:01 Never trust, always double-check; output transformers  1:34:29 An October meetup at Skip's, maybe Want amp tech Skip Simmons' advice on your DIY guitar amp projects? Want to share your top secret family recipe? Need relationship advice? Join us by sending your voice memo or written questions to podcast@fretboardjournal.com! Include a photo, too. Want to support the show? Join our Patreon page to get to the front of the advice line, see exclusive pics, the occasional video and more.  Hosted by amp tech Skip Simmons and co-hosted/produced by Jason Verlinde of the Fretboard Journal.

    1hr 39min

  3. 20 MAR

    "The Temple of Music"

    Episode 162 of the Truth About Vintage Amps Podcast, where amp tech Skip Simmons tackles all of your questions about guitar tube amps! This week, we go deep on Canadian amps, tremolo tweaks, and tech tips. Plus: Rumors of a possible TAVA meetup at Skip's and a poetry slam! Thank our sponsors: Grez Guitars; Emerald City Guitars; and Amplified Parts / Mod Electronics. Use the discount code TAVA10MOD for a one-time, 10% discount on Mod Electronics orders at https://www.modelectronics.com. Usable on speakers, amp kits, pedal kits, reverb tanks, etc. Offer ends April 11, 2026.  Some of the topics discussed this week: :00 Skip has a cold  2:04 SF's The Fab Mab (Wikipedia), 1971 Guitar Player magazine advice; changing the vibrato speed on a Fender Super Reverb 8:42 The answer to last episode's baffler: The Canadian Standards Association; TAVA merch 11:30 Caveat emptor: A UTC output transformer; why is my reverb not working? 26:12 Lead dress 101 31:40 An amp sale/TAVA gathering at Skip's? 40:01 Harmony H410 and speaker impedance 44:10 Why is the tremolo on my 1969 Traynor YSR-1 Custom Reverb head not working and how can I slow it down? 50:38 Can you put variable capacitors in a guitar circuit? 53:11 Series filaments and a Berlant Concertone MCM-2; the Epiphone Rivoli EA-65 schematic 1:00:27 Gibson Falcon mods; whatever happened to the reissue Falcon? 1:07:24 Tech tip: Hammond 154M chokes (Amplified Parts link) 1:12:10 Guitarist Chuck Wayne 1:14:05 Spaghetti sauce with meat; getting Skip an iPhone; tremolo using bias modulation on the power tubes; the Ampeg Supereverb 1:22:21 Garnet amps and Kale; the Garnet Herzog 1:24:43 A listening room for Dynaco amps and Acoustic Research turntables Want amp tech Skip Simmons' advice on your DIY guitar amp projects? Want to share your top secret family recipe? Need relationship advice? Join us by sending your voice memo or written questions to podcast@fretboardjournal.com! Include a photo, too. Want to support the show? Join our Patreon page to get to the front of the advice line, see exclusive pics, the occasional video and more.  Hosted by amp tech Skip Simmons and co-hosted/produced by Jason Verlinde of the Fretboard Journal.

    1hr 29min

  4. 2 MAR

    "Tremolo Thursday"

    Episode 161 of the Truth About Vintage Amps Podcast, where amp tech Skip Simmons tackles all of your questions about guitar tube amps.  Thank our sponsors: Grez Guitars; Emerald City Guitars; and Amplified Parts / Mod Electronics. Use the discount code TAVA10MOD for a one-time, 10% discount on Mod Electronics orders at https://www.modelectronics.com. Usable on speakers, amp kits, pedal kits, reverb tanks, etc. Offer ends April 11, 2026.  Some of the topics discussed this week: :42 Phil Upchurch and 'What It's Like to Be a Musician' 3:25 On the Bench: A non-working outboard tremolo by Skip, a unique Massie trem circuit, putting trem in a Bassman 100, bias modulating tremolo 9:57 A TAVA giveaway (Thank you, Union Tube & Transistor and Exile!)  14:44 An Electro-Music Baffler, answered; a vintage Roberts electric mandolin; Tiny Moore; Bob Wills in Sacramento 25:12 Follow our Instagram page and help us get to 10,000 followers, the Garnet amp book (link), the Garnet Herzog 28:16 An amp tech for Guam 36:12 Working on a Johnson Celestion, why were some volume pots in front of the first tube? the best spare 6V6s to seek out 42:02 Talking Micro-Frets guitars on the Fretboard Journal Podcast (link) 43:13 Why is my Fender Super 60 so noisy? 49:30 A 1968 Fender Super Reverb with replaced transformers, using the extra secondaries? bias talk 56:03 Homemade salsa 59:19 Recommended reading: Proper Records' 'Hillbilly Boogie' box set (Amazon link) 1:00:33 Recommended watching: 'The Life We Have' (YouTube link, warning: it's a tear jerker) 1:01:46 The Webster-Chicago 166-1 vs. the Voice of Music 160 amp schematics; homemade chicken wings Want amp tech Skip Simmons' advice on your DIY guitar amp projects? Want to share your top secret family recipe? Need relationship advice? Join us by sending your voice memo or written questions to podcast@fretboardjournal.com! Include a photo, too. Want to support the show? Join our Patreon page to get to the front of the advice line, see exclusive pics, the occasional video and more.  Hosted by amp tech Skip Simmons and co-hosted/produced by Jason Verlinde of the Fretboard Journal.

    1hr 11min

  5. 16 FEB

    "Some People Can't Stand an Unused Triode"

    Episode 160 of the Truth About Vintage Amps Podcast, where amp tech Skip Simmons fields all of your questions about tube amps.  Thank our sponsors: Grez Guitars; Emerald City Guitars and Amplified Parts.  Some of the topics discussed this week: 1:09 Fishing and weather report, Tule fog 4:43 Skip's amp backlog 5:19 A West guitar amp with a Dynaco 454216 transformer, a paper plate breakfast hack 10:45 Our sponsors! 12:56 What's on Skip's bench: A 1950 Princeton, a White amplifier, a Tweed Deluxe AND a Vibrolux; Electromuse amps 14:39 The Lonesome Captain's music video (YouTube link) 17:31 A Webster-Chicago 166-1 with a post phase-inverter tone control 20:36 The Valco/National/Supro single 6V6 with reverb and tremolo 28:06 A Silvertone 1472 with replaced parts; terminal strip grounds 30:55 Two filter cap Princetons (link to TDPRI forum) 32:11 An original Garnet Session Man; modding a Masco ME-27; recommended reading 39:49 The Wood Wire & Volts show; the Benson Babylon (as mentioned on episode 158!) 44:16 Speaker impedance mismatch on a Danelectro amp and its effect on tone, Spanish rice, Goya pasta 50:21 Suggestions for an unused triode in a Geloso G226A amp 54:32 Bill Krinard's return?; Dr. Z's new, single-ended PhD amp; Emery Sound amps 57:18 A new speaker for my Traynor YGM-3?; Peavey amps; smoked pork tenderlions 1:03:35 Making a baby Leslie speaker at home and adding caps to filter out EMI/interference (check out more pics on our Patreon) 1:11:00 Getting spray paint off a grill cloth (3M Safest Stripper); fixing a Fender speaker baffle; and a cursed reverb unit 1:16:50 A Cunningham CX322 tube giveaway; Alembic stereo pre-amps, redux Note: Starting around minute 60, our Zoom connection went bad and Skip can be a little hard to hear. We tried to clean it up as best we could. Sorry! Want amp tech Skip Simmons' advice on your DIY guitar amp projects? Want to share your top secret family recipe? Need relationship advice? Join us by sending your voice memo or written questions to podcast@fretboardjournal.com! Include a photo, too. Want to support the show? Join our Patreon page to get to the front of the advice line, see exclusive pics, the occasional video and more.  Hosted by amp tech Skip Simmons and co-hosted/produced by Jason Verlinde of the Fretboard Journal.

    1hr 22min

  6. 17 JAN

    "TAVA, Again...Exclamation Point"

    Episode 159 of the Truth About Vintage Amps: Beans, two-prong ASMR, peeling diodes (and faceplates) and more!  Thank our sponsors: Grez Guitars; Emerald City Guitars and Amplified Parts. And honarary mention to Rancho Gordo beans. Some of the topics discussed this week: 1:32 Rancho Gordo beans in the WSJ, corn sticks 8:13 What's on Skip's bench: All the early Fender Princetons; a baffler! 11:20 Our sponsors: and (unofficially) Rancho Gordo beans 15:15: What should I do with this extra Bell Sound 2122-C hi-fi amp?; hear the TAVA All-Stars: Bob Armstong, Keith Cary, Charles Batey, Leff Jeffries (YouTube link, audio only) 25:20 How can I remove and save my tube chart when I replace the baffle? 30:09 Comparing a 5F2A kit schematic to the original; cargamanto beans (see below) 40:34 What does Skip always replace? Sello Rojo coffee; Lustre Craft pots 47:48 A Tweed Vibrolux with rusty faceplate; WEST amps transformers? 55:48 A broken, yet soothing two-prong plug question; Stephen King's 'It' 1:01:57 Are the diodes in my Premier B-220 Custom Bass amp okay? Can Switchcraft jacks go bad? 1:10:50 Real death caps; Fantastic Fungi 1:13:05 Kraft dinner; replacement transformers for 50-watt Rickenbackers; WD-40 for joint pain 1:19:28 Homemade (mostly) pizza hacks   Danny G's carmanto bean recipe INGREDIENTS: 1 can cargamanto beans rinsed and drained avocado oil in the pan 1⁄4 green pepper chopped 1⁄2 yellow onion diced 2 garlic cloves minced 1 can El Pato hot tomato sauce 1⁄2 tsp. cumin 1⁄2 tsp. paprika salt & pepper to taste Heat oil in the pan Add pepper, onion, garlic Saute for about 5 minutes until softened Stir in the beans, El Pato, cumin, paprika Season with salt and pepper Add 1 cup water or broth Bring to a boil then reduce to simmer Reduce for about 10-15 minutes stirring occasionally to preferred consistency Serve over rice with some avocado or sour cream This is great as is, but carnivores may want to add some meat. Living in the Polish neighborhood that I do, I first sliced up and browned some fresh made Kielbasa from the local smokery and put it aside before softening the veggies in the fond, then adding it back again during the simmering process. Multicultural chef's kiss. - Danny Want amp tech Skip Simmons' advice on your DIY guitar amp projects? Want to share your top secret family recipe? Need relationship advice? Join us by sending your voice memo or written questions to podcast@fretboardjournal.com! Include a photo, too. Hosted by amp tech Skip Simmons and co-hosted/produced by Jason Verlinde of the Fretboard Journal.

    1hr 26min

  7. 24/12/2025

    Ep. 158: "Not Just Living in Their Mom's Basement"

    Episode 158: Chris Benson of Benson amps and Bryan Sours of Soursound transformers make their long-awaited returns to the Truth About Vintage Amps. Why? They want to tell us all about the logging truck of an amp they are currently building, a 700-watt(!) all-tube beast dubbed Babylon! The Babylon will feature 14 KT88 tubes, 16 total speakers, three knobs, and two power cords. It's literally the most powerful tube amp they could make without requiring a dryer outlet. Check our Instagram for a sneak peek at the creation.  https://www.bensonamps.com/ https://soursound.com/ and honorable mention to... https://bottosbbq.com/ Hear the Babylon in person at the 2026 Wood, Wire & Volts festival (or anywhere within a mile or two radius of the show). https://www.woodwirevolts.com/ Deep cuts: Bryan's first appearance on our show can be found here (it's pretty epic) and Chris originally appeared on our 30th episode.  Thank our sponsors: Grez Guitars; Emerald City Guitars and Amplified Parts. And happy holidays to all of our listeners and Patreon members for their support! We'll be back in 2026.  Want amp tech Skip Simmons' advice on your DIY guitar amp projects? Want to share your top secret family recipe? Need relationship advice? Join us by sending your voice memo or written questions to podcast@fretboardjournal.com! Include a photo, too. Hosted by amp tech Skip Simmons and co-hosted/produced by Jason Verlinde of the Fretboard Journal.

    1hr 6min

  8. 18/12/2025

    "Coyote and Deer"

    It's the 157th episode of the Truth About Vintage Amps, the call-in show where amp tech Skip Simmons fields your questions on all things tube amps.   Thank our sponsors: Grez Guitars; Emerald City Guitars and Amplified Parts  Some of the topics discussed this week:  :42 Atmospheric rivers 3:52 Skip's appearance at the Bay Area Guitar Show (Jan 10-11, link) 8:46 Fretboard Journal 58 (coming soon!) 9:57 Unsung electronics hero (and possible con man) Lee De Forest (read his memoir here); power conditioners 17:44 Skip's new trail cam 20:47 One man's trash: Repurposing the square capacitor/resistor found in a Gibson GA-19 RVT/Falcon 22:44 What's on Skip's Bench: A clean early 1969 SF Fender Vibro Champ with a trem that didn't want to go slow; an Ampeg J-20 29:11 Advice on an amp road trip (New Orleans, Phoenix, LA, and Denver) 34:25 What's louder: Two 50-watt halves or one full 100-watt stack of amps 37:29 Using the potentiometers in hi-fi speaker units from the 1950s; the Christmas Jug Band; ukuleles 42:10 What's up with this Winson combo amp? EL84s vs 7189s; garlic bread; Roy Buchanan's The Messiah Will Come Again (YouTube link); Roy Clark and Joe Pass; Van Morrison's "You Are My Sunshine;" The Fretboard Journal's You Are My Sunshine project (link) 50:29 Gigging a 1947 Fender Deluxe 5A3, Brookwood leather 55:40 6L6s in Deluxe Reverbs and Princetons? wild mushrooms 1:00:43 Are all trebles created equal? 1:05:38 Greetings from Canada; Slow Horses (redux); Life on the Line featuring John Travolta (Wikipedia link); chicken curry 1:13:26 Questions re: a Knight 93SX670 PA amp and the phono wiring 1:17:23 WD-40 musings 1:19:33 Just completed my Mojotone Tweed Princeton kit, but what's with this hum? 1:22:50 An RCA MI12155 PA head with no output; Chuck Prophet; Mosquito Coast cocktails; recommended book: 'The Night Train to Nashville' (Amazon link) 1:26:40 The Whole Earth Catalog; Stewart Brand (Amazon link) 1:30:30 Vacuum Tube Valley Want amp tech Skip Simmons' advice on your DIY guitar amp projects? Want to share your top secret family recipe? Need relationship advice? Join us by sending your voice memo or written questions to podcast@fretboardjournal.com! Include a photo, too.  Hosted by amp tech Skip Simmons and co-hosted/produced by Jason Verlinde of the Fretboard Journal.  Don't forget, we have a Patreon page. Support the show, get behind-the-scenes updates and get to the front of the line with your questions.

    1hr 34min
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Twice a month, guitar amp guru Skip Simmons fields your questions on vintage tube amp repair, restoration and collecting. Often hilarious and always insightful, it's like no other guitar podcast out there.

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