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The Hagerman Gamma Radiation Transistor Distortion is every bit as vibrant and richly textured as I expected

DistortionFuzz-Drive and Fuzzstortion
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2026-GPX-Hagerman-Gamma-Radiation-SK-Main-700.jpg

So my Gamma Radiation has landed, and it’s a superb distortion pedal every which way - plenty of range and gain, and dual Tone controls which give you expansive shaping.

 

The Gamma could not be easier to dial in - I was up and running with my favourite tones in just seconds.

 

For me I set the Level and Gain first, and then the overall EQ via the Tone control - where you can then shape the balance of Bass (CCW) and Treble via the  Medial Energy EQ.

 

I like things pretty full-throttle, where this circuit has superb guitar volume gain clean up too - so you can set gain relatively high and then roll it back on your guitar.

2026-GPX-Hagerman-Gamma-Radiation-SK-Intertnal-700.jpg

Controls - Level, Drive, Tone (Post EQ), Energy (Medial EQ - in between 1st and 2nd Gain Stage).

 

I have Level and Gain both at 3 o'c for the best / most complex and sustaining output texture. Tone is normally around 2 o'c, and I like energy in 2 positions - mostly at 10 o'c for maximum texture, and at Max for more treble and sizzle (less bass). This distortion percolates and purrs and has a slightly fuzzy dimension to it to in how it responds.  

 

I really love everything about this distortion, including the price. With my settings and the Energy at Max you're not far away from the sort of Big Muff 2 sound - but with a little more intensity, and a lot more volume!

 

The text mentions that some assembly is necessary, while mine came delivered fully assembled. The $129 price tag is exceptional value - you won't find as richly a textured distortion for anywhere close to that price - everyone should have one.

 

Available from the Hagerman Amplification Webstore of course.

 

Highly recommended!

2026-GPX-Hagerman-Gamma-Radiation-SK-Diagonal-700.jpg
2026-GPX-Hagerman-Gamma-Radiation-SK-Main-700.jpg

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Stefan Karlsson
Posted by Stefan Karlsson
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