Industry Insider: Fredric Effects reinterprets European and Soviet-era preamps into beloved pedals | Guitar.com | All Things Guitar
Looking into vintage Soviet pedals and new Russian boutique stuff. Any info? | The Gear Page
MATRIXSYNTH: LIDER-2 - Vintage soviet guitar synthesizer multi effects processor on MATRIXSYNTH CLASSIFIEDS
NEW vintage Soviet Russian guitar effect FX pedal flanger ELEKTRONIKA FL-1 1991 | #463497628
Guitar Pedal X - GPX Blog - Drunk Beaver's 3rd Limited Series Pedal Drop is the Cool Zaporizhzhia Preamp - a 4-Opamp Switching Multi-Clipping Preamp / Distortion