Enter for your chance to win!

May 2014

Ask Amp Man

It’s no secret that tube amps require regular TLC to sound their best. But it doesn’t stop there: Tweaking key components can yield dramatic sonic benefits—but you have to know what you’re doing. Whether you’re looking for more gain, higher clean headroom, or simply want to return an old combo or head to its former glory, amp guru Jeff Bober has the answers you’re looking for. Got questions? Shoot him an email at pgampman@gmail.com.

ARTICLES

Ask Amp Man: Removing Output Tubes to Reduce Power

April 21, 2014
Want to reduce the power in an amp with four output tubes? Here’s how to do it right.
Read More

Ask Amp Man: From Silverfaces to Silvertones

March 24, 2014
Making sense of the external speaker jacks on vintage Fenders—and resurrecting a cool old Silvertone.
Read More

Ask Amp Man: The Vibro Champ Voltage Mystery

February 13, 2014
Why do the schematics differ between two supposedly identical CBS-era Fender amps?
Read More

Ask Amp Man: Better Tones from “Boomy” Tweed Deluxes

January 9, 2014
Fender’s classic 5E3 circuit is prone to “flubbiness” at high volumes. Here are several easy fixes.
Read More

Ask Amp Man: Better Biasing for Silverface Twin Reverbs

December 9, 2013
Blackface-style biasing makes it easier to set up and service ’70s Twin Reverbs.
Read More

Ask Amp Man: Twintervention (aka Rescuing Rotten Twin Reverbs)

November 13, 2013
Master-volume Twin Reverbs of the ’70s have a deservedly bad reputation—but a few circuit tweaks can save them.
Read More

Ask Amp Man: The Early-’70s Silverface Fender Twin Reverb: Dud or Dynamo?

October 15, 2013
Why don’t master-volume Twin Reverbs get any respect?
Read More

Ask Amp Man: Pumping Up an ’80s Fender Champ

September 20, 2013
These simple mods can nudge a Fender Champ toward a more Marshall-like sound, with increased mids, greater headroom, and improved overdrive tones.
Read More

Ask Amp Man: Upgrades for Silvertone and Fender Hot Rod Amps

August 13, 2013
This month we look at changing the gain structure on a Silvertone and dealing with volume fluctuations in a Fender Hot Rod Deluxe.
Read More

Identifying Vintage Fender Speakers — and Battling Hum

July 29, 2013
What kind of speaker is in a 1965 Deluxe Reverb, and how to switch it out without increasing the amp's volume, plus tackling hum in modern Fender combos.
Read More