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Amp DIY

Be Your Own Builder

May 4, 2011
A guitarist takes gear repair and building into his own hands.
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Rockin' A Bassman 50

April 19, 2011
Can you apply our original Bassman mods to a ''70s Bassman 50?
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Ask Amp Man: Bringing A Gibson Duo-Medalist Back to Life, Pt. 2

March 15, 2011
Last month we began renovating and modding a late-’60s Gibson Duo-Medalist combo belonging to Tommy Kirst. (You’ll find the first installment of this series, along with the amp’s schematic and
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Ask Amp Man: Bringing A Gibson Duo-Medalist Back to Life, Pt. 1

February 15, 2011
Raising the cool factor and tone of a lackluster Duo-Medalist
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First-Time Amp Restoration, Pt. 2

January 17, 2011
Continuing the overhaul of a mid- to late-1950s Supro combo
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First-Time Amp Restoration, Part 1

December 21, 2010
A vintage Supro in need of a tune-up
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Souping Up a Bassman 10

November 16, 2010
Some easy tricks to make a sweet Fender Bassman super
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More Twin-Taming Techniques

September 21, 2010
Digging deeper into impedance issues and capacitor leakage
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Jonny Lang’s Dual-Channel Deluxe Reverbs

August 17, 2010
How does Jonny Lang combine two Deluxe Reverbs without getting out-of-phase, thin sound
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Making a Super Reverb Super

April 15, 2010
A ’66 Fender Super Reverb. Photo courtesy of guitarphotographer.com. Hey, Jeff. I love your column! I look forward to reading it every month. I have a ’67 blackface Super
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Getting Back In-Phase

March 18, 2010
What''s in-phase and out-of-phase, and how do you get your amps back in-phase? Chad explains.
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Load Boxes and Pulling Twin Power Tubes

March 11, 2010
Looking for a simple, inexpensive load box? Make your own.
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CAN YOU TURN THAT THING DOWN?

January 14, 2010
Getting great Fender Twin Reverb tone at volumes that won''t kill your ears
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Two Letters about … Well, Twins!

December 17, 2009
Two Fender Twin Reverb owners pose questions about their speakers
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Your Tone Formula

December 17, 2009
How understanding why speakers distort can make all the difference in crafting your tone.
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Turn The Amp OFF… Or Else

November 18, 2009
When a business traveler leaves his amp on at home for a month, can Jeff save his once-glorious tone?
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Making a Supro Super

October 21, 2009
A 1948 Supro with some fuzz and speaker heat issues
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Fender Amp Bias and Impedance

September 18, 2009
Jeff answers two questions this month: tips on biasing a Fender Deluxe and matching a Bassman head to cabs with mismatched impedance
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Tube Amp Troubleshooting 101

July 22, 2009
Diagnosing a dead Blues Junior with universal troubleshooting tips
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Orange Upgrade, Part 2

June 3, 2009
Tim finishes is AD200 project with component selection and installation, then fires it up to hear his work
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