Stefan Karlsson

Director : Auteur : Author : Curator : Image Wrangler : Editor-in-Chief

"Going the extra mile on musical devices exploration and pushing the boundaries for what's possible or practical"

Blog

JSA Effects' Fuzztronought is a blisteringly great searing 6-knob evolution of the late '69 EHX One-knob Plug-in Muff Fuzz

GPX BlogMay 7, 2026 23:14

This was the second pedal I picked up from JSA Effects at the recent Leeds Pedal Show - and it’s even better for me than the already exceptional LNS ...

Rockwright FX's Phuzzmaphobia Pulse Width Modulation Fuzz is a superb compact evolution of the super rare smallsound/BigSound Blarg o-tron o-tron

GPX BlogMay 7, 2026 14:52

This goes back to a demo that my good friend Pedal Experiments’ Phil did back in October of 2024 (2nd one below) - of the smallsound/BigSound Blarg o-...

Klowra releases high quality fully isolated Vires slimline 6-Outlet Pedalboard Power Supply with 2 variable ports and 24V Output

GPX BlogMay 7, 2026 09:51

The Vires is a high quality construction, beautifully made pro slimline mains-powered pedalboard power supply - which sits in between the CIOKS SOL ...

A Few Scant Details...

Co-Founder, Director of Marketing and Client Services at Affino, as well as Founder, Director, Author / Auteur at Guitar Pedal X - which started its life as a rather informal Blog on the Affino.com corporate site. I curate, write, photo-edit and retouch everything you see on this site - to give you as broad a scope of what's out there so you can better inform your gear-buying decisions.

I'm a long-term ever-budding and exploratory musician, home-player and avowed Guitar Gear enthusiast - with a predilection for Effects Pedals in particular. Generally very passionate about the Arts, Design, Architecture and Music above everything else...

Guitar Pedal X