Valvetech Amplifier Company is a boutique tube amplifier builder founded by Rob Pierce in Ossian, Indiana, just south of Fort Wayne. The shop is known for point-to-point, handwired amps built one at a time, drawing heavily on classic mid-century circuits while offering extensive customization — tolex, grille cloth, speaker choice, and options like effects loops, EF86 channels, tremolo, and reverb.

The lineup centers on a small group of signature models. The Hayseed 30 is a close take on the 1963 Vox AC30 Top Boost, built around a quad of EL84s and a GZ34 rectifier, with a switchable half-power mode. The VAC 25 pairs a 12AX7/6V6 tube layout with a two-channel voicing that nods to a 1959 Fender Bassman on one side and a more modern high-gain SLO-style tone on the other. The larger VAC 50 runs dual 6L6 power tubes with two footswitchable channels and interactive tone controls, and the Suplex is a four-input, 50-watt head aimed at Marshall plexi and modern rock territory.

The brand has a quiet reputation within boutique amp communities on forums such as The Gear Page and TDPRI, where owners tend to highlight the hand-wired build quality and vintage-leaning voicings relative to the price point. Valvetech amps are most often found on the used market through Reverb and specialty dealers rather than through large retail channels.

ValveTech has 1 product cataloged on Equipboard, including Combo Guitar Amplifiers.