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The Truth About Vintage Amps with Skip Simmons

Feb 11, 2021

Once again, guitar amp tech Skip Simmons is fielding your questions on all things tube amp.

This week's sponsors: iZotope (use the discount code FRET10 to save 10% off your order), Amplified Parts and Grez Guitars.

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Some of the topics discussed on this week's episode:

1:13 Three nightmares left
7:17 Sam's Wurlitzer 920 combo amp from Ep. 62, revisited
9:14 Special guest: Ian Moore (Austin, Vibroluxes, Deluxe Reverbs, Marshall mods and salsa dona!)  
44:26 What to do with an unusual 1968 Gibson Falcon chassis missing a cabinet? 
48:48 Building a clone of Ampeg R-12-R Reverberocket
56:21 A vintage Jenson P-15Q with a quarter inch jack mounted on the speaker frame
58:14 Mary Halvorson
59:31 A Dukane PA with a low B+ voltage
1:03:21 How did Skip accumulate a barn full of PAs?
1:09:09 "Historic" or "historical;" a Bogen Challenger CHA33 with pitting on the chassis
1:15:00 How to properly use an ESR Meter; the Anatek Blue ESR meter (link)
1:19:00 The dwell on a reverb tank
1:21:02 Where does distortion come from; author C.J. Box
1:23:12 Testing a vintage power transformer before you install it
1:26:46 Mathew Fitzwilliam's Goldentone Amp book, revisited (link)
1:27:15 Restoring a Goldentone 1761 Soloist;
1:30:33 Chris from Deluxe Amplifications' amp chassis holder (YouTube, blueprint available on our Patreon)
1:33:39 Guitar Shorty
1:36:36 The smallest mountain range in the world
1:37:32 Installing a separate filtercap eyelet board in a BF Fender
1:41:19 Using a vintage Jensen C12S speaker in a Princeton Reverb clone; bean pasta
1:49:15 Shrunken model airplane tissue 

Have a topic for a future episode? Email or send us a voice memo to: or leave us a voicemail or text at 509-557-0848.

Be sure to check out the ever-growing Big Index of Truth About Vintage Amp topics to see if your amp questions have already been covered.