Tone Charm Audio Szczur

The Szczur is an analog distortion pedal from Tone Charm Audio, a small builder whose pedals sit alongside the many takes on classic dirt circuits covered on our Distortion Pedals page. RockBoard's PedalPedia describes it as the "SZCZUR distortion guitar pedal by Tone Charm Audio," and lists its effect type as distortion with a filter element, so it shapes tone as well as adding gain¹.

What it does

The Szczur is a distortion pedal: it pushes the signal into clipped, saturated territory, and its filter side lets the player shape the character of that distortion. RockBoard's listing gives its circuit type as analog, meaning the gain and filtering happen in the analog signal path rather than through digital processing¹.

Where it came from

Tone Charm Audio is explicit about the Szczur's inspiration. The pedal, the listing says, "pays homage to the legendary RAT distortion guitar pedal, which debuted in 1978"¹. The RAT is one of the most influential distortion designs, first sold in the late 1970s, and a large family of pedals borrow from its circuit. The Szczur is Tone Charm Audio's entry in that tradition rather than a direct copy, and the maker's own description frames it as a tribute¹.

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