Read the September 2018 Issue

Amp DIY

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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Tube Amp Building Seminar: Specimen/Chicago School of Guitar Making

May 28, 2009
A first-hand account of the Chicago School of Guitar Making''s Tube Amp Building Seminar
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Speakers: The Ultimate “Amp Mod”

March 17, 2009
Why switching speakers can be the tonal upgrade you''re looking for, and how to make sure you end up with what you''re looking for.
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Negative Feedback, Fender Bassman 10

March 17, 2009
A look at negative feedback and hum balance
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Quiet Please! Attenuators and Their Many Uses

February 16, 2009
A look at how attenuators can play a major role in your rig.
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Tackling Treble Trouble

January 15, 2009
Jeff tries to tame some out-of-whack treble on a 1983 Marshall JCM 800 4210 Combo
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Everything You Ever Wanted to Know About Output Tubes

January 15, 2009
Dave Hunter gets down to business with the tone generating clan of tubes: output tubes.
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Everything You Ever Wanted to Know About Preamp Tubes

December 16, 2008
Dave Hunter kicks off a two-part primer on tubes with some general history on our glowing glass friends and an in-depth look at preamp tubes.
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Controlling Speaker Breakup

December 16, 2008
How speakers break up, and what you can do to control the noise.
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