12th Fret Music
Shop
Repairs
Basket
Visit
Sign in
(208) 343-2320
Menu
Shop
Repairs
Basket
Visit
Sign in
(208) 343-2320
Theme
Shop
/
Pedals and Effects
Tone King Royalist Tri-Tube Preamp Pedal
$599.99
Category
Pedals and Effects
SKU
A427894
In the shop since
Sep 8, 2026
Shipping
Free to the lower 48
Buy it now — $599.99
Add to basket
Or call — (208) 343-2320
Save for later
✓
Payment is handled by Square — your card details never touch this store.
✓
Free insured, tracked shipping to the lower 48, charged per item.
How we pack and ship
.
✓
Come play it first. You are welcome to inspect any instrument at the shop before you commit.
✓
Not the one? Start a return within 3 days. Defective is on us; otherwise a 10% restocking fee applies —
read the returns policy
.
Ask about this one
Name
Email or phone
What would you like to know?
Send question
Ships free to the lower 48 · local pickup always free
Features
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
Specifications
Dimensions
7.2” (W) x 5.7” (D) x 2.75” (H)
Weight
1.9 lbs
Nearby on the wall
Maxon
OD808X Overdrive Extreme
$148.95
Boss
GX-1 Guitar Effects Processor
$229.99
New
Source
Audio One Series Spectrum Intelligent Filter, Phaser, Octave and Distortion Pedal
$219.99
New
Boss
RV-6 Digital Reverb (B011U9AXA6)
$153.99