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power tubes

What Are Your Tubes Really Doing?
ax7type tubes

What Are Your Tubes Really Doing?

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Finding the Perfect Extension Cabinet For Your Fender Amp
Photo courtesy of Fender.
combo amps

Finding the Perfect Extension Cabinet For Your Fender Amp

First Look: PRS Sonzera 20
amps

First Look: PRS Sonzera 20

ugly amps lil ugly
ugly-amps

Ugly Amps Releases the Lil' Ugly

The handmade, cathode-biased, two-channel head rocks at 20W thanks to a pair of 5881 power tubes.

Ask Amp Man: Removing Output Tubes to Reduce Power
how-tos

Ask Amp Man: Removing Output Tubes to Reduce Power

Want to reduce the power in an amp with four output tubes? Here’s how to do it right.

Everything You Ever Wanted to Know About Output Tubes
el84

Everything You Ever Wanted to Know About Output Tubes

Dave Hunter gets down to business with the tone generating clan of tubes: output tubes.