Looking for authentic tube-driven tone This used THD Univalve guitar amplifier head delivers pure Class A power with incredible touch sensitivity and dynamic response. In good condition, this amp is known for its ability to swap various power tubes��including EL34, 6L6, KT88, and more��without rebiasing, making it highly versatile. It offers 4W to 15W of output power, perfect for recording or small gigs, and features a built-in Hot Plate attenuator for cranked amp tones at lower volumes. The single-channel design keeps things simple while delivering rich harmonic depth and sustain. Loaded with a unique tone-shaping switch and a high-quality output transformer, this amp is a dream for players who want boutique tones without unnecessary complexity. Whether you're chasing vintage warmth or high-gain energy, the THD Univalve offers unmatched flexibility in a compact, roadworthy design. Don't miss out on this sought-after amp��grab it before it's gone!