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The Truth About Vintage Amps with Skip Simmons

Mar 15, 2025

Episode 145 of the Truth About Vintage Amps: Kahlua brie, replicating Nirvana's In Utero sound, hissy reverb units and more!

Thanks, as always, for being a part of the world's finest call-in tube amp repair show.

Want amp tech Skip Simmons' advice on your DIY guitar amp projects? Join us by sending your voice memo or...


Feb 24, 2025

Episode 144 of the Truth About Vintage Amps: Flashing Flukes, reflections on NAMM, variable plate capacitors, hot buttered rum (and popcorn!), and more!  

Need some help with your tube amps? Be a part of our show by sending your voice memo or written questions to podcast@fretboardjournal.com!

Some of the topics...


Nov 28, 2024

Missing your rambling relatives this holiday season? You're in luck! Tune in to Jason and Skip as they ramble through weather reports, amp fixes, book recommendations, reflective impedance, reverb-driven line-out and more on our 141st episode!

Want to be a part of our show? Just email us a question or voice memo to


Sep 24, 2024

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...


Jul 27, 2024

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