Twice a month, guitar amp guru Skip Simmons fields your questions on tube amp buying, restoration and repair. Co-hosted by the Fretboard Journal’s Jason Verlinde.
Submit your guitar amp questions to Skip here: firstname.lastname@example.org or by leaving us a voicemail or text at 509-557-0848.
Some of the many topics discussed on this episode:
2:05 Skip works on a barn-find 1960 Fender Tweed Bassman
6:10 Parenting tips
7:50 Jason confesses to Skip that he got a Stew-Mac Champ kit; DIY amp tips
12:33 Skip’s music picks of the week
16:05 Building a tube stereo amp (Dynaco Stereo 70, for music playback) versus a guitar amp
19:39 A synth repairman gets a contact high thanks to LSD residue
20:33 Disgusting things found in old amplifiers
21:16 Last week’s Baffler (a noisy Princeton Reverb, listen to episode 11) responses and answer
27:37 This week’s Baffler is the image above (and on our new Instagram page): What is the thing used for?
28:45 A listener in a hurry fixes his Les Paul thanks to Skip’s tube amp advice
30:34 Preserving (sloppy) originality on a CBS-era Fender or making it better than original
35:13 A non-reverb Silverface Fender Princeton with a weak vibrato
40:48 A reissue ‘63 Fender Vibroverb that needs more clean headroom
45:42 How do amp circuits get named?
47:40 Cleaning vintage pots
49:49: An ‘80s Tusc amp with EQ
51:06 What to do with a ‘70s Silverface Champ with no maintenance history
54:14 A ‘66 Ampeg Reverberocket with an unusual distortion sound
1:01:18 A ’69 Fender Bassman with both fixed and cathode bias
1:05:20 Rebuilding an amp found in a Hammond M-3 organ and melted wax on power transformers
1:07:52 A glimpse at the Fender Musicmaster Bass amps
1:11:40 Differences between an amp schematic and layout
1:13:24 A bargain Ampeg cabinet with four Altec 417 speakers
1:15:28 Sleeper pedal steel amp recommendations
1:17:00 An ‘80s Mesa Boogie SOB amp with a red-plating 6L6BC tube
1:20:01 Alternatives to the 6C10 tube on a ’82 Fender Super Champ
1:22:40 Negative feedback: What is it? Adjusting it.
1:29:21 A 1963 Gibson Discoverer Tremolo (GA-8T) amp with too much treble
1:32:01 Skip’s brief tutorial on speaker efficiency
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