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PG’s Amp Man Explains Tube Bias
Ask Amp Man

PG’s Amp Man Explains Tube Bias

Our much-loved former columnist Jeff Bober returns to explain how to check and reset the bias of your amp’s output tubes—and delivers some potentially shocking warnings about a few common but dangerous techniques.

Ask Amp Man: A Fond Farewell
Gear

Ask Amp Man: A Fond Farewell

Our beloved Amp Man signs off after 13 years of answering readers’ questions from under the hood.

Ask Amp Man: Adding Gain to a Tired Regal R-1160
Ask Amp Man

Ask Amp Man: Adding Gain to a Tired Regal R-1160

Transforming a vintage pedal platform into a powerful player.

Ask Amp Man: Tone Tweaks for a Carvin Series III X
Pro-Advice

Ask Amp Man: Tone Tweaks for a Carvin Series III X

Bolstering an amp that boogied its way alongside the ’80s competition from Petaluma.

Ask Amp Man: Revisiting the Dawn of the Sundown Artist
Reviews

Ask Amp Man: Revisiting the Dawn of the Sundown Artist

An ’80s amp that displays the singular perspective of player/builder Dennis Kager, with multiple effects loops and unique tricks.

Ask Amp Man: Flat-Tire Fixes
Reviews

Ask Amp Man: Flat-Tire Fixes

Amp failed on the gig? Here’s what to check before panicking.

Ask Amp Man: Positively Negative Feedback
Pro-Advice

Ask Amp Man: Positively Negative Feedback

Wanna shake up an old Fender? Try modding the negative feedback loop.

Ask Amp Man: Add Some Marshall Grit to a Fender Bassman
Ask Amp Man

Ask Amp Man: Add Some Marshall Grit to a Fender Bassman

How to convert a half-unused tube into a gain stage.