The Truth About Vintage Amps with Skip Simmons

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The Truth About Vintage Amps with Skip Simmons

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. 5 NOV.

    Ep. 140: "Tiny Bits of Tingle"

    It's the 140th episode of the Truth About Vintage Amps podcast, where amp tech Skip Simmons eventually fields your questions on all-things-tube amps!  As always, use all advice at your own risk. Want to be a part of our show? Just email us a question or voice memo to podcast@fretboardjournal.com. Some of the topics discussed this week:  2:35 What's on Skip's Bench: A modified ES-150 Charlie Christian amp with a non-field coil speaker 4:22 Smilin' Skip's: Stuff for Sale 5:15 Loma Rica's Aztec Recording Studio; the Ralph Shine Blues Band; Skip's new guitar; Sylvia Massy (Sylvia's shop); Weed, California; the Fretboard Summit 2025 (register here) 18:01 Our sponsors (and baby goats): Grez Guitars; Emerald City Guitars and Amplified Parts (Jensen speakers are currently on sale!) 23:42: Alamo and other budget amplifiers; the COVID gear boost has deflated 25:35 Amp bargains (look for two transformers); a black panel Super Reverb; Silvertone Twin-Twelve and optocouplers 28:53 The Alembic Pre-Amp in a pedal (or two): Frog Pedals (link); Sushi Box FX (link); Mexican Pizza with Boboli pizza crust; starved plate loads 35:41 PSA: You can buy WD-40 by the gallon 38:22 Should I put the original transformer back in my 1966 Fender Princeton? 44:07 Preferred replacement 12AT7 reverb driver tubes 47:26 Two-prong shock in the studio 50:35 A converted Stromberg-Carlson; speaker-driven effects channel? Rudy Van Gelder; the usable range of a bright cap 57:55 A Plush 3000G tubes and tremolo with a mystery rectifier tube 1:03:08 What's with the lettering on my 1950s Rauland Lyric transformer 1:06:47 Putting a JBL in an Ampeg Rocket 2; a Traynor Studio Mate 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. Join us to get show updates and get to the front of the question line.

    1 h 9 min

  2. 18 OCT.

    "I'm Going Negative"

    It's the 139th episode of the Truth About Vintage Amps podcast, where amp tech Skip Simmons fields your questions on all-things-tube amps!  Want to be a part of our show? Just email us a question or voice memo to podcast@fretboardjournal.com. Some of the topics discussed this week:  :48 On the bench: A 1974 Alembic pre-amp, a Showman head in disguise 3:58 Webb's Music and a hang gliding pioneer 6:08 Our sponsors: Grez Guitars; Emerald City Guitars and Amplified Parts; the Wood Wire & Volts Show in Anaheim (link); Bruce Harvie of Orcas Island Tonewoods 11:10 Skip has a warning for the TAVA Kegger Facebook group...and others 14:38 A luthiers' pet peeve 16:55 Bias modulating tremolo, intensity pots 20:45 Skip works on a Dan Torres-modded amp 21:35 Jason screens his Ben Harper Dumble film in Seattle; Ben Harper on TAVA (ep. 118) 25:34 When does Skip use his tube tester? 28:17 Should I turn this jukebox amp into a guitar amp? 30:52 A monitor out a la GA17RVT; Quilter amps; full-fat Greek yogurt 36:24 When do we get a Marshall/Vox expert on the show? 37:58 A Kroker Triple Toad amp 40:13 Warming up a Nat Daniel-designed amp; separately mounted pre-amp tubes 42:17 Late '60s Fender biasing (AC568) 43:54 Skip's new guitar: A 1966 Fender Duo-Sonic 49:51 The Fender Files on YouTube (thanks, Larry Chung) 52:17 Using 5V4 rectifier tubes in a Matchless DC-30; Nduja mayonnaise (link) 1:00:17 Recommended reading: "There Are No Electrons: Electronics for Earthlings" (Amazon link); subbing a 6SL7 for a 6SN7 in a Gibson BR9 1:02:42 Transformer Corner: Using US amps overseas   1:11:07 Recommended music: Henry Kaiser & David Lindley's "Sweet Sunny North;" Steve Melkisethian remembered 1:13:01 A cheap and easy output transformer dynamic test; rebuilding reverb tanks 1:19:54 Skip's map collection 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. Join us to get show updates and get to the front of the question line.

    1 h 22 min

  3. 24 SEPT.

    "Check for Ticks"

    It's the 138th episode of the Truth About Vintage Amps podcast, where amp tech Skip Simmons fields your questions on all-things-tube amps!  This week, we pay tribute to Angela Instruments founder and former guest Steve Melkisethian (1950-2024); talk resistors and transformers; catch up on the 2024 Fretboard Summit; and much more. Want to be a part of our show? Just email us a question or voice memo to podcast@fretboardjournal.com. Don't forget, we have a Patreon page. Join us to get show updates and get to the front of the question line.  Some of the topics discussed this time around: :58 R.I.P. Nick Gravenites (Electric Flag, Mike Bloomfield) 3:08 Our sponsors: Amplified Parts, Emerald City Guitars, and Grez Guitars. (Watch Emerald City Guitars' Fretboard Summit video here.)  5:32 The 2024 Fretboard Summit in a nutshell  10:29 R.I.P Steve Melkisethian (Angela Instrument); read our tribute here 18:42 R.I.P. Stephen Fitzstephens, member of our Kegger Facebook group 19:18 What was Skip listening to as a kid? 22:08 Skip’s Music vintage gear headed to auction  24:42 When to use old, mismatched resistors?  26:39 The 2003 interview in Vacuum Tube Valley with Steve Carr (PDF link) 27:41 Removing surface rust from transformers  30:27 A 1964 Ampeg Reverberocket that pops when you turn it off 31:10 You all need a Variac  33:03 A pig farm mini-baffler; Papa Murphy’s in a Weber grill 36:56 Dropping the B+ with a solid state rectifier  39:47 Flattening a Fender eyelet board, redux; how to flatten a ‘70s Fender grill cloth frame?  42:52 Aux phono input on a tube amp; replacing plastic knobs; movie recommendation: 'As It Is In Heaven'  46:48 An original 1963 Fender Vibroverb in the UK with a switchable voltage panel; John Kelly amps; Rainer Ptacek  52:33 How to select an output transformer for an amp when you don’t know its specs  1:00:55 The wrong tube in Danelectro amplifiers (12AU6 vs 12AV6) 1:04:02 What’s on Skip’s bench? An Alamo amp; kudos to Larry Chung  1:05:43 Recommended reading: 'The Feather Thief' (Amazon link); TAVA listener and winemaker William Downie (link) 1:10:36 Using Meguiar’s Convertible Top Cleaner to clean up a Premier amp 1:11:35 A Pepco Riviera 725; Frazey Ford  1:14:04 Posters by Serifs & Whiskey (link) 1:15:10 Blossom Valley Foods' Pepper Plant sauce (link) 1:15:37 Fixing a reverb tank by changing the transducer; Fender’s specific use of European tubes Hosted by amp tech Skip Simmons and co-hosted/produced by Jason Verlinde of the Fretboard Journal.

    1 h 20 min

  4. 20 AOÛT

    "Walk Around the Yard"

    It's the 137th episode of the Truth About Vintage Amps podcast, where amp tech Skip Simmons fields your questions on all-things-tube amps! This week, we talk to special guest, Steve Carr of Carr Amplifiers!  Want to be a part of our show? Just email us a question or voice memo to podcast@fretboardjournal.com. Our sponsors: Emerald City Guitars, Amplified Parts, StewMac, and Grez Guitars. Don't forget, we have a Patreon page. And come to the 2024 Fretboard Summit.  Some of the topics discussed this time around: 2:22 Steve Carr (Carr Amplifiers) joins us for an enlightening talk about prototyping, speaker cabs, Solen caps, tone controls, and so much more. He even fields a few of your questions! 1:14:17 Big M speaker cabinets 1:16:08 Red Norvo "In a Mist" 1:17:49 Did a rubber tube amp mount just fix my microphonic amp? Easy Brussels sprouts 1:21:45 On the bench: An Epiphone Electar Zephyr 1:23:16 Pre-amps in front of amps that already have pre-amps; the WEM amps used at Live at Pompeii (link); Selmer reverb tanks; was this Philco amp made by Bogen?; pizza stones  1:31:55 Out-of-range potentiometers 1:35:05 Ballast resistors in field coil amps Plus Hurdy gurdys and more.

    1 h 39 min

  5. 27 JUIL.

    "Release the Curd"

    It's the 136th episode of the Truth About Vintage Amps podcast, where amp tech Skip Simmons fields your questions on all-things-tube amps!  Want to be a part of our show? Just email us a question or voice memo to podcast@fretboardjournal.com. Our sponsors: Emerald City Guitars, Amplified Parts, StewMac, and Grez Guitars. Don't forget, we have a Patreon page.  Some of the topics discussed this time around:  1:11 A Big Boy locomotive chugs through CA 3:42 What's on Skip's Bench: A Valco/National/Airline amp-in-case; a single-ended Soundmaster PA; a Premier Twin 8 10:55 Another round of TAVA shirts? (coming soon) 13:06 Milkman to produce a JBL K120 replica speaker (link); re-coning by Hempopotamus (and Weber) 16:56 The 2024 Fretboard Summit, featuring Blake Mills, Josh Scott (JHS), Colin Hay and so much more https://fretboardsummit.org (Aug 23-25, 2024 in Chicago) 20:29 The Davis Guitar Scene 20:51 Is there a new speaker comparable to the JBL D130F? Artie Shaw 22:43 VHT amps, redux; homemade cheese 28:05 Why did Leo use RCA plugs for his speaker jacks? 32:20 I miss lo-fi Skip; help me isolate the hum on my Magnatone 410 39:45 Favorite solder; avocado toast 43:26 Recommended movie: 'All That Is Sacred' featuring Tom McGuane, Jim Harrison, Jimmy Buffett, and vintage Key West (link) 44:58 Help me ground my Pepco Riviera 725 48:15 Does the phase inverter tube contribute gain? 49:47 AIMS amplifiers, redux; Don Randall 53:59 Skip (almost) fixes a church organ 1:00:03 Should I wax pot these old output transformers? 1:04:55 Why is there chicken wire in my amplifier? finding the outside foil on a cap Recorded July 25, 2024.

    1 h 10 min

  6. 26 JUIN

    "Liquor, Candy, Model Airplane Magazines..."

    It's the 135th episode of the Truth About Vintage Amps podcast, where amp tech Skip Simmons fields your questions on all-things-tube amps.  Want to be a part of our show? Just email us a question or voice memo to podcast@fretboardjournal.com. Some of the topics discussed this time around:  1:24 Another hopeful story; Winters, California 7:44 The fifth-ever Fretboard Summit: Blake Mills, Adam Levy, vintage amps, new amps, 80 luthiers, JHS and so much more. www.fretboardsummit.org 13:25 One of the greatest boxes of all time: thanks, Ben from Chattanooga! 15:01 Lynn Wheelwright reaches out to Skip 16:33 The very first Standel amp; Tacoma, Washington's Guitar Maniacs  18:53  Our sponsors: Emerald City Guitars (watch the Dumble video here), Amplified Parts, StewMac, and Grez Guitars.  22:10 Thank you, John Ross 23:41 Gibson's GA-45 "Velvet Touch"; Terry Dobbs (Mr. Valco) https://valcoamp.com 27:32 The answer to Ep. 134's Baffler: A Tweed Vibrolux 31:44 A Body & Soul El Pato fuzz giveaway? https://www.instagram.com/bsinstruments/ 34:00 The last remaining Big Boy locomotive is moving through California; Skip's hobo days  https://www.up.com/heritage/steam/schedule/index.htm 37:26 How to satisfy your customer when only one power tube needs to be replaced? CE Distribution; pimento cheese 47:04 A 5E3 build with too much Fender "bacon;" Ken Fischer 49:51 A Rickenbacker M11 with a 60 cycle hum out of V1 57:22 VHT Special Six, redux 1:03:51 A simple cocktail: A Boyhattan; bitters 1:05:15 The history of AIMS amps; 5 ohm amps; The Mosquito Supper Club's boiled shrimp (link) 1:13:34 The pronunciation police; modding a Silver Panel Fender Champ with a Magnatone 213 tone control 1:17:11 Elemental knowledge; California-built Vox amps; Clarkson's Farm 1:25:00 Is variable input impedance worth experimenting with? Bogen guitar amps 1:29:41 Is the two-prong hat offensive? Are fixed-bias amps more touch-sensitive? the phono input in old PAs; GM/IP on tubes 1:33:15 Recommended reading: The All-Music Guide  Recorded June 21, 2024.

    1 h 36 min

  7. 29 MAI

    "A Little Debbie Swiss Roll"

    It's the 134th episode of the Truth About Vintage Amps podcast, where amp tech Skip Simmons fields your questions on all-things-tube amp.  This week, we're joined by jazz guitarist Jonathan Stout where we talk EH-150s, field coil speakers and more!  Want to be a part of our show? Just email us a question or voice memo to podcast@fretboardjournal.com. Some of the topics discussed this time around:  1:23 Triple E jerky and freeze-dried ice cream (link) 2:36 Our sponsors: Emerald City Guitars, Amplified Parts, StewMac, and Grez Guitars.    6:06 What's on Skip's bench: An Electar Model M with 6N6 power tubes; a National Dobro amp with 2A3 power tubes 13:06 Skip has a Falcon for sale; Mumbo Gumbo 13:58 I put the electrolytic capacitor in backward on a 5F2A build; how coupling caps work; what to do with this Gregory Mark 1? 19:16 Natural year-round lemonade 20:21 How to fix the broken reverb on a vintage Gibson Falcon; open secondaries, someone needs to make a replacement Falcon transformer 22:20 What do you do if you need to replace a capacitor and its original part is different from the schematic? Steve Albini's Gear Dork Videos (Garnet, Samamp) 28:58 Special guest: Jonathan Stout (link)! Field coil speakers; traffic sounds; Gibson EH-150/185 amps; Vintage 47 amps (link);  Combs Guitars JJ-150 pedal (link); Quilter 101 heads; the evolution of amplifiers; Junior Barnard; the Echo Speaker jack on a Gibson EH-150, Knott's Berry Farm, Fender Tweed Pros; Marie Sharp's hot sauce; pizza stones; pizza tips 1:03:38 David Lindley; Jackson Browne; Greg Leisz on the FJ's Steel Podcast (link) 1:04:11 Revisiting the Ice Cube 1:06:39 Non-reverb Princeton love; the Brown Box voltage attenuator 1:08:21 This week's Baffler: What amazingly killer amp can you turn a non-reverb Princeton into? 1:08:49 Waiting for a ferry in Snowdonia; early mountain biking 1:14:46 A VHT Special 6 with a useless tone knob 1:18:45 6L6s in a Fender Deluxe Reverb; acceptable idle current range; Revere Ware; Cameo Copper Cleaner; Chuck roast instead of brisket; spicy Italian sausage in pasta sauce; Brussels sprouts; beer Special thanks to Tim Le Blanc for his help mixing this episode. Recorded May 24, 2024. Hosted by amp tech Skip Simmons and co-hosted/produced by Jason Verlinde of the Fretboard Journal.  Want to support our show? Join our Patreon!

    1 h 27 min

  8. 3 MAI

    "A Spicy Tomato Sauce"

    It's the 133rd episode of the Truth About Vintage Amps podcast, where amp tech Skip Simmons fields your questions on all-things-tube amp!  Want to be a part of our show? Just email us a question or voice memo to podcast@fretboardjournal.com. Some of the topics discussed:  1:14 Skip's 1950 Ferguson tractor, the Truth About Lawn Mowers 7:28 A zebra on the loose in Washington State 9:30: This week's sponsors: Emerald City Guitars, Amplified Parts, StewMac, and Grez Guitars. 12:28  Grez Guitars sends Skip Quique Gomez & Little Charles Baty's Cookin' At Greaseland   16:51 What's on Skip's bench? A 1953 Fender Tweed Pro that needed nearly a complete rebuild   24:14 One solution for the multiple Pignose-amp quandary from ep. 132: Radial Engineering's Shotgun 4-Channel Amp Driver (Amazon link); 100 Vintage Hawaiian Songs (Spotify link)   30:35 Tom Gunterman's lithium battery pack picks from ep. 132, prunes   33:51 RIP Gerald Weber (Kendrick Amplifiers) 35:56 Book recommendation: 'The Birth of Loud' (Amazon link) 37:39 Jason has a jdflyback handblown tube amp! (YouTube link)   40:19 A Fender Vibrochamp that doesn't like my Les Paul, volume-dropping   45:11 Anything worth rescuing from old tube car radios?   48:55 A 1569 Altec power amplifier for guitars? Grange Hall and self-published cookbooks   53:30 A Music Man 115RP with a broken reverb   59:17 An update on last episode's 1972 Fender Princeton Reverb, a homemade signal tracer (based on this Kley De Jong video); 'Designing Tube Preamps for Guitar and Bass' by Merlin Blencowe (Amazon link); tahini; 'Servicing by Signal Tracing' by John F. Rider   1:04:24 Why can't I pry this tone pot off of my Harmony H-200?   1:07:10 What does using a tube pre-amp unit in front of your guitar amp actually do? Tube swapping a 6V6 or 6L6 (note: we'll get back to this next week)   1:14:09 Skip's handiwork on the new Taylor Swift album? (Instagram link)    1:17:24 Making a closed cabinet for my Fender Princeton   1:21:19 Are amp techs divas?  Hosted by amp tech Skip Simmons and co-hosted/produced by Jason Verlinde of the Fretboard Journal.  Want to support our show? Join our Patreon!

    1 h 35 min
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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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