Guitar Pedal X - GPX Blog - Muir Audio Design's Silicon Steel Output Transformer Overdrive is a distinctly unique Silky Smooth Saturating Overdrive with exceptional dynamics
Bogner Releases Guitar Pedals with RND Transformers — Rupert Neve Designs
Guitar Pedal X - GPX Blog - Hello Sailor Effects collaborates with Australia's rnrmf guitarworks for the killer Xenomorph Germanium 2-Transistor Fuzz with smart shapable Un-Buffer Transformer
Omabeta Guitar Booster Pedal, 9V DC Transformer for Metal Shell Acoustic Boost Effect Less Interference with 1/4in Mono Interfaces for Audio Equipments : Amazon.co.uk: Musical Instruments & DJ