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AX84 Classic Amp Projects

Overview

The classic mainstream AX84 projects which feature the widest testing and documentation.

Beginners start here, but this section also has intermediate and advanced projects.

Before using these materials, please read our terms and conditions.

Wanna check out the old project pages to find previous versions or old media files? Go to OLD project pages

Not sure what to build? Read this!

AX84 P1 Tube Guitar Amplifier The original AX84 tube guitar amp project! Take a dual-triode 12ax7 preamp and combine it with a low-volume EL84 power amp and you have a great project for beginning buildings.

Tone goes from cleanish to pretty crunchy, depending on gain settings and guitar volume setup. Responds well to pedals and retains your guitars tone.
AX84 P1-eXtreme Tube Guitar Amplifier Take the P1 and make it bigger and meaner! The P1-eXtreme features an octal output stage using EL34, 6L6, KT66, 6V6 etc... in its power amp. The P1-x is still suitable for beginners.

Tone goes from cleanish to pretty crunchy, depending on gain settings and guitar volume setup. Responds well to pedals and retains your guitars tone.
AX84 Hi-Octane Tube Guitar Amplifier The Hi-Octane is like a juiced up rock and roll amp from the 80's... only smaller. Like a P1 but with an extra preamp tube, this is a good choice for someone who wants more distortion and has built an amp or two before.

Tone goes from cleanish to semi-saturated distortion, depending on gain settings and guitar volume setup. Responds well to pedals and retains your guitars tone.
AX84 Single Ended Lead Tube Guitar Amplifier Take a Hi-Octane and make it bigger! That's the Single Ended Lead. The SEL features an octal output section that can use a variety of big bottle tubes including the KT88, KT77, KT66, EL34, 6L6 etc... Suitable for builders with some previous experience.

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