Valve preamplifier

VOX ValvEnergy Copperhead Drive Pedal with NuTube - a versatile valve distortion pedal for electric guitar, featuring NuTube technology for authentic tube sound.

The Pro‑Ject Tube Box S2 is a compact tube preamp that delivers warm, dynamic sound with low distortion. It features dual triode tubes, precision gain control, and an optional valve phonostage for vinyl playback.