Cornerstone Imperium - What To Know & Where To Buy

Pricing and availability

We compare 600+ stores and found this item at 2 stores. Prices updated May 29, 2026.

Store

Reviews

Price

5.0 (1)

$299.00 5 available New

$225.00 11 available Used

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Spicers Music

$359.00

View Deal

Average Price: $294

High-end/Boutique

$50

$176+

Price Tier

In the Overdrive Effects Pedals category, Cornerstone Imperium is priced in the High-end/Boutique range. This premium gear is built to very high standards and offers premium features.

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Standard

High-end

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Description

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Unlock a universe of legendary tones with the Cornerstone Imperium, the ultimate fusion of two iconic sonic landscapes. Perfectly engineered for the discerning guitarist, this overdrive effects pedal seamlessly blends the soulful warmth of a Robben Ford-style Dumble with the cutting-edge clarity of John Mayer’s screamer tones. Imagine having the ability to switch and stack these two distinctive sounds at will, giving you unprecedented control over your sonic palette. Whether you’re looking to craft a creamy and dynamic tone or a powerful yet defined sound, the Imperium delivers with finesse.

The pedal houses two distinct sections, the Gladio SC and Antique, each bringing its unique voice to your rig. With its thoughtfully designed interface, you can independently sculpt and mix these tones, allowing for a versatile range that suits both studio settings and live performances. This pedal isn’t just about heritage; it’s about innovation, offering a fresh perspective on classic sounds for the modern musician.

Key Features:

Fusion of Robben Ford-style Dumble and John Mayer screamer tones
Two independently controlled sections: Gladio SC and Antique
Customizable stacking order for versatile tone shaping
Ideal for both studio and live performance settings
Intuitive interface for seamless sound sculpting

Videos

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Pete Thorn

CORNERSTONE IMPERIUM = SCREAMER + DUMBLE DRIVE TONES!

Pete Thorn

Cornerstone Imperium Dual Overdrive | Dumble and Screamer In One Pedal

Shawn Tubbs

The Most Requested Drive Pedal Finally Arrived | Cornerstone Imperium | Gear Corner

Kris Barocsi

Cornerstone Imperium Dual Overdrive pedal

R.J. Ronquillo

Cornerstone Imperium Dual Overdrive

Mike Hermans

Another gem from Cornerstone! The IMPERIUM!

Sasha Ivantic

Cornerstone IMPERIUM - Official Teaser

Cornerstone Music Gear

Cornerstone Imperium : The Ultimate Dual Overdrive,my new favorite ! SRV tone to die for!

Vivien Verdier

Reviews

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Critic Reviews

Cornerstone Imperium Drive Pedal Review

samgoffenguitar.com

The Cornerstone Imperium is a sonic marvel that seamlessly fuses two beloved pedal designs, offering versatility and rich tonal options. With clever switching and the ability to tailor sound dynamics, it caters to a range of players, from blues aficionados to overdrive enthusiasts. However, while it excels in many areas, the inherent Tube Screamer character may still feel limiting for those seeking a broader tonal palette. Overall, the Imperium stands as a brilliant addition to any pedalboard but might not satisfy purists looking for a completely unique voice.

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