Read the December 2015 issue online


Make a Mic Muter

November 11, 2008
Build a mat that switches your mic on and off when you step on it.
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Troubleshooting Tube Amps

October 13, 2008
Although I’ve never repaired amps for a living, I have repaired a lot of amps through the years. I get a lot of questions e-mailed to me from amp-repair novices
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The Immortal Amp Mods, Pt. 4

September 9, 2008
R.G. discusses the importance of paying attention to your amp''s filter capacitors.
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The Immortal Amp Mods, Pt. 3

August 15, 2008
Preparing your amp for unexpected power surges and electrical spikes.
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The Immortal Amp Mods - Pt. 2

July 10, 2008
The first Immortal Amp Mod addressed a weakness in the tubes. Our second installment will help prevent another way tubes can damage the amp. Protect your transformers with fuses I’ve
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The Immortal Amplifier Mod

June 10, 2008
A well-made tube amp can last a long time, but there are a few things that can make them uneconomical to fix, as well as unreliable. If you were
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The Life and Death of an Electrolytic Cap

May 12, 2008
How electrolytic caps are born, and why they die
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Are You Listening With Your Eyes?

April 9, 2008
Some people have the idea that controls on a new effect should always be set to the midpoint or 12:00 on a hypothetical clock. I’ve heard a variety of answers
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The Ins and Outs of Layout

March 11, 2008
A lot of boutique pedal and amp makers are re-discovering that where you place parts with respect to each other makes a big tonal difference. If you’re an effects builder,
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The ’59-’63 Fender Concert Vibrato

February 8, 2008
Over the years, Fender has used two different effects that are labeled “vibrato.” One simply modulates the loudness of the signal. The other is more interesting to me; it modulates
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