If you run it after a buffer it does! Haha. I swore them off for years because I bought one and put it after my TU-2 and it sounded horrible. I didn’t think much of it. It’s called a “treble booster”. I figured it just wasn’t for me. It sat in a box for 15 years until I read something about input impedance one day and tried again. Revelation. I suspect many people have similar experiences if they’re uneducated about impedance interactions.