12AX7 tube-driven amp/speaker simulator with balanced DI, effects loop, and cab voicing.

Tube-driven reverb with 12AX7 valve and 300V internal power. Spring, Room, Hall, and LFO modes.

Real 12AX7 tube in a pedal. From warm overdrive to saturated distortion with genuine tube harmonics.

Vacuum tube overdrive using 12AX7. Classic preamp-style breakup with warm, fat, crunchy tones.

Single 12AX7 tube preamp with IR cab simulation. Friedman dirty tones in compact format.

Real 12AX7 tube running at 300V. Factor 1 for soft clipping, Factor 2 adds diode distortion. German engineering.

Compact Tweed-voiced tube overdrive with 12AX7 at 250VDC—MOSFET clean gain stage, 125B format, 300mA/12V.

Vacuum tube Uni-Vibe with photocell modulation, authentic Hendrix-era psychedelic swirl.

3-channel bass amp sim with 12AX7 tube (200V), Dry/Wet Blend, FX loop, MIDI, 10 DynIRs—600mA/12V, 193x117x71mm, 748g.

Dual-channel valve distortion with independent 12AX7-driven circuits.

Dumble Steel String Singer tube preamp with dual 12AX7s at 300V+. 3-band EQ with High/Low filters.

Vacuum tube boost using EF86 pentode. Super clean gain with warmth that transforms solid-state amps.

Tube tremolo with NOS 6205 tube, three waveforms and tap tempo.

3-channel analog amp sim with 12AX7 tube (200V), OD-Boost, Marshall cab sim, MIDI, 4-cable mode, 10 DynIRs.

Tube overdrive using Cooltron low-voltage 12AU7 technology. Battery powered.

Tube-driven overdrive with a real 12AX7 inside. British Marshall-style voicing from actual tubes.

NuTube-powered AC30-style overdrive with real Korg NuTube. Chimey British midrange, OLED display.

High-gain subminiature tube-based distortion/fuzz with interstage resonant filter, inspired by Thermionic Culture Vulture with switchable pentode/triode modes.

NuTube high-gain distortion with real Korg NuTube. Modern metal tones through a real vacuum tube.

Overdrive with real tube in the signal path. Actual vacuum tube harmonics, not solid-state tube emulation.

Tape echo preamp module with tube-driven warmth and classic echo chamber character.

Vacuum tube compressor using 12AU7. Dead quiet at any setting with organic feel and no pumping.

NuTube-powered overdrive based on American clean amp. OLED oscilloscope display.

Clean tube preamp with 12AX7. Available in multiple voicing options from Kingsley.