The Royalist Tube Preamp Pedal captures the soul of Tone King’s beloved 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.
- Two Channel High-Voltage preamp – DI
- 3 x 12AX7 preamp tubes running at proper high voltages
- Built-In zero-watt power amp – phase inverter circuit
- Two Independent channels with
- Volume, Bass, Middle and Treble Control
- Three-way 1964/1967/1970 voicing switch per channel
- Era Accurate Tone Stacks:
- Top channel – Vintage-accurate JTM45 / Bassman / Super Bass inspired EQ.
- Bottom channel – Reflects a later-era British Lead tone stack.
- Dual built-in Iron Man attenuators
- HF switches
- Reverb control (assignable to each channel)
- Mode switch turns ON/OFF trails
- Stereo, Series FX loop (bypassable)
- MIDI programmable
- Save up to 128 presets for instant recall via an external MIDI switcher
- Presets save:
- Channel selection
- Master bypass setting
- IR selection
- IR bypass setting
- Effects loop bypass setting
- Reverb bypass and tails settings
- Onboard Impulse Response (IR) Technology
- Low-latency Impulse Response cabinet simulation (bypassable)
- 3-position CAB/IR select switch per channel (programmable via software)
- 20 Included OwnHammer IRs
- Power amp simulation with software editable HF Comp, Low-Pass and High-Pass filters (per channel)
- Connections:
- Dual stereo balanced XLR outputs with Ground Lift Switch
- ¼” Headphone output
- Effects Send and Stereo Return Jacks
- MIDI 5-pin standard connector
- USB-C connector for use with the included Tone King Editor software editor
- To Amp In, From Amp Send and From Amp Return Jacks – for adding Imperial channels to your amp or preamp
- Included
- 6’ USB Cable
- Universal 12V Power Supply
- Dimensions: 7.2” (W) x 5.7” (D) x 2.75” (H)
- Weight: 1.9 lbs
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