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Some of the topics discussed this week:
7:30 The details you should never annoy your amp tech with
12:23 El Pato references, explained; the El Pato-Tone practice amp (almost sold out); Knorr bullion cubes
19:19 A reissue Fender Twin Reverb with an irritating noise floor and vibrato
23:42 What to do with old 2 ohm Rola speakers; funky capacitors from a vintage Yamaha organ
30:96 Special guest: Jef Brown (Leighton Amplifiers; Southside Guitars) with more amp hacks and troubleshooting knowledge: The 3.3 meg resistor mod to 5E3s (revisited); Southside Guitars; Gibson KEA amp hacks; chokes in a power supply; a Super Reverb soaked in WD-40; new parts gone bad; a buzzy Princeton Reverb; a Fender Tone Master with misplaced grid stop resistors; a Marshall Plexi with a bad LCR filter cap; lead dress; filter caps on a clone Princeton; when to move on from a new speaker; using Fela Kuti/Burning Spear to break in a new speaker; the proper way to wire a three-prong cord to an amp with a fuse.
Technical Note: Around 28:00, Jason’s good mic somehow stopped working. Thankfully, this episode becomes the Jef and Skip show shortly thereafter so it won’t affect you too much.
There’s a lot of deep knowledge in this episode; dig in!
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Have a topic for a future episode or a beer question for Marty? Email or send us a voice memo to: firstname.lastname@example.org or leave us a voicemail or text at 509-557-0848.
Above: The capacitors that listener Adrian took from a solid state Yamaha keyboard, as discussed at the very end of this week’s podcast.
Below: Jef Brown’s Deluxe resistor mod, up close. See his blog for more details.
Want to see all the former topics discussed on the TAVA Podcast? Click here for all the show notes on one page.