Guitar Pedal X - GPX Blog - Vox's Valvenergy NuTube Mystic Edge AC30 style and Copperhead Drive JCM800 style Overdrive / Preamps are fairly decent budget options for those genres
Vox Cooltron Duel Overdrive | Reverb
Best Vox-Style Pedals & Vox-In-a-Box Overdrives In 2023 | Delicious Audio