This is a tasty little overdrive. It packs plenty of midrange punch, so tonally it sits somewhere between a tube screamer style drive and a Plexi-ish Marshall style thing. It's very warm and complex.

Model: DV Mark Guitar Tube Marker
Type: overdrive
Power: standard 9v negative supply, not included
Switching: true bypass
Equivalent new street price (approx): n/a (discontinued)
Mods: velcro attached
Accessories: original box and manual
Condition notes: used, no major marks, very good condition