Read the December 2015 issue online
Jeff Bober

Jeff Bober

Jeff Bober is one of the godfathers of the low-wattage amp revolution. He co-founded and was originally the principal designer for Budda Amplification, though he launched EAST Amplification ( in 2010. You can catch his podcasts at or email him at


Ask Amp Man: Upgrading a Fender Custom Vibrolux Reverb

November 11, 2015
Get beefier tones and stronger reverb from this popular reissue.
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Ask Amp Man: Taming a Twin Reverb

October 20, 2015
Can you reduce the power of a JBL-equipped Twin without sacrificing its signature sound?
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Ask Amp Man: Demystifying the Ibanez GX20's Volume Knobs

August 18, 2015
How to make sense of the cascading gain stages in a 1980s solid-state combo.
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Ask Amp Man: Troubleshooting a Peavey Classic 50

July 27, 2015
The Peavey Classic line included some of the company’s finest amps—but they require special troubleshooting procedures.
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Ask Amp Man: Fattening Up a Fender Super-Sonic 60

June 9, 2015
Simple circuit tweaks to fatten the vintage channel and balance the burn channel.
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Ask Amp Man: Beefing Up a Vintage Fender Vibrolux Reverb

May 27, 2015
Can you turn a vintage Fender Vibrolux Reverb into a mini Super Reverb?
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Ask Amp Man: Restoring a 1979 Fender Twin Reverb

April 19, 2015
A modded monster regains its former “glory.”
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Ask Amp Man: Taming a Hiwatt DR-201

April 6, 2015
When it comes to super-powerful tube amps, can you have too much of a good thing?
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Ask Amp Man: Tweaking a Fender Champ II

February 22, 2015
The rare Fender Champ II—and some ways to improve it.
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Ask Amp Man: The Mysterious Tusc

February 4, 2015
Reviving a rare programmable amp from the early ’80s.
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