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The Truth About Vintage Amps with Skip Simmons


Oct 18, 2024

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.