Royalist Preamp

The Royalist Tube Preamp Pedal captures the soul of the Tone King Royalist MKIII amplifier - the company’s most authentic take on the golden age of British tone. From the sweet, singing JTM45, through the unmistakable Plexi crunch, to the searing drive of the Super Lead, this high-voltage tri-tube preamp pedal delivers the full spectrum of British rock attitude in a compact, pedalboard-friendly format.

Running on three 12AX7 tubes at proper high voltages, the Royalist Preamp brings the complete touch sensitivity, harmonic bloom, and dynamic punch of the Royalist MKIII amp to your pedalboard. Each of its two independent channels features the amp’s FAT switch and three-way 1964/1967/1970 voicing selector, faithfully reproducing the gain structure, tone stack, and feel of the original circuits. Whether you’re chasing sparkling cleans, punchy crunch, or molten roar, the Royalist Preamp delivers the unmistakable voice of British rock, anywhere, at any volume.

Era Accurate Tone Stacks

The Royalist features two identical channels, each voiced with its own distinct tone stack. The top channel uses a vintage-accurate JTM45 / Bassman / Super Bass inspired EQ. The bottom channel reflects a later-era British Lead tone stack.

While the two channels can be dialed remarkably close, their subtle differences give players two authentic British flavors—one tight and articulate, the other more mid forward.

Three Eras of Iconic British Tone

Each channel of the Royalist Preamp offers its own three-position voicing switch, mirroring the evolution of the British amp sound across decades:

1964

Smooth top end, lower gain, and a balanced, vintage warmth inspired by early British blues amps.

1967

Crisp treble response, bold midrange, and the aggressive bite that defined rock’s formative years.

1970

Increased gain and tightness for that unmistakable, high-energy crunch of arena-ready hard rock.

Pair these voicings with each channel’s FAT switch option to add body and low-end warmth to single-coil guitars or enhance sustain and punch with humbuckers.

Built-In Zero Watt Power Amp — Phase Inverter

The Royalist Preamp includes Tone King’s “Zero Watt Power Amp,” a genuine phase inverter circuit powered by one of its three 12AX7 tubes. This design captures the Royalist’s harmonic depth and dynamic interaction between preamp and power stage — a key ingredient of true British tone that most preamp pedals can’t replicate. The result is the full experience of an overdriven Royalist power section, without the ear-splitting volume.