THD Univalve Amplifier and 2x12” THD Cabinet - Used

A highly versatile single-ended Class A tube head paired with a matching 2x12 THD cabinet. This rig delivers everything from sparkling cleans to rich overdrive and is renowned for its flexibility with tube-swapping and dynamic responsiveness. Thoroughly tested in-store and in excellent working order.

⚠️ Please note: as this is a used amplifier, we’re unable to offer warranty or shipping. We appreciate your understanding and welcome you to test it in-store with confidence.

Product Overview

The THD Univalve is celebrated for its ability to adapt to almost any playing style. It accepts a wide variety of power tubes—without the need for re-biasing—allowing players to shape their tone with unmatched freedom. From sweet, harmonically complex cleans to saturated tube overdrive, the Univalve remains touch-sensitive and musical at any volume.

Paired with the THD 2x12 cabinet, loaded with high-quality speakers, the setup projects warmth, detail, and punch, making it suitable for studio, stage, or rehearsal. Built with boutique craftsmanship, this combination has earned a reputation among tone purists worldwide.

Key Features

• Amp Type: Single-ended Class A all-tube head

• Output: Switchable power output with tube-swapping capability (no biasing required)

• Power Tubes: Accepts EL34, 6L6, 6550, KT66, KT88, and more

• Preamp Tubes: Standard 12AX7/ECC83 types

• Controls: Volume, Attitude (tone/gain contour), Treble, Bass, Presence

• Built-in Features:

  • Built-in Hot Plate attenuator for cranked tones at lower volumes

  • Transformer-isolated line out for recording or direct use

• Cabinet: Matching THD 2x12, delivering punchy lows and detailed mids

• Condition: Used – tested extensively, fully functional