Building on our previous exploration of AB763 model differences, this deep technical analysis reveals exactly how Fender's legendary blackface circuit transforms your guitar signal into that unmistakable tone. Understanding these inner workings helps explain why the AB763 remains the gold...
1590B, 125B, 1590BB, and 1590XX When I start designing or building a new pedal, one of the first decisions is: what box is this going in? After building a lot of pedals for customers and my own line at KR Sound, I’ve...
How the Two Channels of the Fender Tweed Deluxe Work Together Understanding Channel Interaction in the Classic 5E3 Circuit If you’ve ever spent time with a Fender Tweed Deluxe- especially the legendary 5E3 circuit- you know it doesn’t behave like most modern...
The Fender Pro-Amp: The Tweed Era’s Best-Kept Secret When vintage Fender enthusiasts discuss their favorite amplifiers, the conversation typically centers around...
The AB763 circuit, Fender's internal designation for their 1963 blackface amplifier design, represents what many consider the pinnacle of guitar amplifier engineering. This comprehensive analysis breaks down the differences between the various AB763 models and explains why these amps remain...
Understanding the notorious safety flaw that put musicians and technicians at risk for decades If you've ever worked on vintage tube amplifiers from the 1940s through the 1970s, you've likely encountered one of the most dangerous components ever used in consumer...
In the landscape of music technology, few instruments have shaped the sound of popular music as profoundly as the humble drum machine. Among these rhythm pioneers, the Ace Tone Rhythm Ace stands as a foundational pillar - a device that...
As I sit at my workbench surrounded by tools, schematics, and the partially disassembled chassis of an Echoplex EP-2, I can't help but marvel at this piece of audio history. What started as an unexpected opportunity to restore this legendary...
The Tube Screamer is a guitar effect pedal that has been in constant production under one name or another for nearly half a century. It is, quite simply, the most popular guitar pedal in history, and there's a very good...
Setting up an electric guitar is a crucial process that directly impacts its playability and sound quality. At the core of guitar setup are three fundamental components: action, intonation, and pickup height. Each of these elements plays a significant role...