How to Get a Tool Guitar Tone with Quad Cortex
Want to get the thick, aggressive, atmospheric guitar tones of Tool using the Neural DSP Quad Cortex?
Tool has one of the most distinctive guitar sounds in progressive metal. Adam Jones combines powerful amplifier distortion, unusual tunings, thick midrange, creative effects, and complex rhythmic arrangements to create a sound that is instantly recognizable.
From the dark, aggressive tones of Undertow and Ænima to the massive guitar production of Lateralus, 10,000 Days, and Fear Inoculum, Tool's guitar sound has evolved while maintaining its distinctive character.
Unlike many modern metal tones, Adam Jones' sound isn't heavily scooped or excessively saturated. It's thick, midrange-focused, dynamic, and full of texture.
With the Quad Cortex, you can build your own Tool-inspired guitar tones using high-quality amplifier captures, cabinet IRs, delay, flanger, wah, and creative signal routing.
In this guide, we'll explore the amplifiers behind Adam Jones' sound, how to build a Tool-inspired signal chain, and which Strange Angles Music captures are worth trying.
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From Mesa/Boogie and Marshall-style tones to Fortin, Omega, EVH, and more, Strange Angles Music offers professionally captured tones for your Quad Cortex.
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What Makes the Tool Guitar Tone So Distinctive?
Adam Jones' guitar sound is built around thickness, midrange, dynamics, and unusual textures.
Rather than relying on an extremely scooped modern metal sound, his tone has a strong midrange presence that allows the guitar to remain powerful alongside Justin Chancellor's bass and Danny Carey's drums.
Some of the defining characteristics include:
Thick, aggressive amplifier distortion
Strong upper-midrange presence
Powerful low-midrange response
Dynamic picking and volume control
Drop-D and alternate tunings
Flanger and wah effects
Delay and atmospheric textures
Multiple amplifier tones blended together
Complex rhythmic guitar arrangements
One particularly interesting part of Adam Jones' sound is his use of multiple amplifiers.
Instead of relying on one amplifier to produce everything, he has used combinations of different amplifiers to create a larger, more complex guitar sound.
This is an important concept when building a Tool-inspired Quad Cortex preset.
What Amplifiers Does Adam Jones Use?
Adam Jones has used several different amplifiers throughout Tool's career.
His documented setups have included:
Diezel VH4
Marshall Super Bass 100
Mesa/Boogie Dual Rectifier
Bogner Uberschall
Rivera Knucklehead Reverb
Sunn Beta Lead
The combination of these amplifiers has helped create the distinctive character of Tool's guitar sound.
1. Diezel VH4
The Diezel VH4 is one of the most important amplifiers associated with Adam Jones.
It provides an aggressive, thick high-gain character with plenty of midrange definition.
The VH4 has been a major part of his sound, particularly in combination with other amplifiers.
2. Marshall Super Bass
Adam Jones has also used a modified 1976 Marshall Super Bass 100-watt amplifier.
Although originally designed as a bass amplifier, the modified Marshall contributes a distinctive aggressive, harmonically rich character to his guitar sound.
It helps provide a different tonal dimension from the Diezel.
3. Mesa/Boogie Dual Rectifier
The Mesa/Boogie Dual Rectifier is another amplifier associated with Adam Jones' historical setups.
It has been used alongside other amplifiers to create a thicker, more layered guitar sound.
This is particularly interesting because Strange Angles Music offers Mesa/Boogie Dual Rectifier captures for the Quad Cortex.
4. Bogner Uberschall
The Bogner Uberschall was another amplifier used during the recording of 10,000 Days.
Producer Joe Barresi experimented with different amplifiers and combinations to create the album's massive guitar sound.
5. Rivera Knucklehead Reverb
The Rivera Knucklehead Reverb was also used during the 10,000 Days recording sessions.
It provided another tonal option when combining different amplifier sounds.
The important thing to understand is that Tool's guitar sound isn't simply one amplifier with a lot of gain. It's the combination of different amplifier characters, playing technique, and production.
Best Quad Cortex Amplifiers for a Tool-Inspired Guitar Tone
You don't need the exact Diezel VH4 or Marshall Super Bass to experiment with this style.
There are several amplifiers available through Strange Angles Music that are worth exploring.
1. Mesa/Boogie Dual Rectifier
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The Mesa/Boogie Dual Rectifier is particularly interesting because of its documented association with Adam Jones' amplifier setups.
It provides a thick, aggressive high-gain character with substantial low-midrange response.
Try it for:
Thick progressive metal rhythm guitar
Aggressive alternative metal
Heavy chord work
Powerful lead tones
Dark, saturated guitar sounds
Start with the capture and experiment with the EQ before adding additional processing.
2. Marshall JVM
The Marshall JVM is worth exploring if you want to experiment with the British amplifier character associated with Adam Jones' Marshall Super Bass.
They are different amplifier designs, so don't expect an exact Super Bass recreation.
The JVM provides another useful Marshall-style starting point for building thick, midrange-focused guitar tones.
3. Omega Granophyre
The Omega Granophyre is a more modern high-gain alternative.
It can work well if you want a tighter, more aggressive interpretation of the Tool sound.
Try it for heavier rhythm parts and modern progressive metal.
4. EVH 5150 III
The EVH 5150 III offers a more focused modern high-gain character.
It can be useful when you want additional aggression and definition.
5. Fryette Deliverance
The Fryette Deliverance is worth exploring for a different kind of amplifier response.
It offers a strong alternative to conventional high-gain amplifier tones and can be useful for players who want a more dynamic, less conventional sound.
These are alternative amplifier choices for building your own Tool-inspired tone, not claims that Tool used these specific Strange Angles captures.
How to Get a Tool Guitar Tone Using Quad Cortex
Step 1: Start With a Mesa/Boogie Dual Rectifier Capture
Begin with a D.I. capture of the Mesa/Boogie Dual Rectifier.
This gives you a useful starting point because the amplifier is associated with Adam Jones' historical setups.
Start with moderate-to-high gain rather than immediately maximizing the distortion.
Listen for:
Strong midrange
Thick low-midrange
Aggressive distortion
Clear chord definition
Good dynamic response
The goal is to create a powerful guitar tone without excessive saturation.
Step 2: Don't Scoop the Midrange
This is one of the most important parts of a Tool-inspired guitar sound.
Adam Jones' tone is not a typical scooped modern metal sound.
A strong midrange helps the guitar remain present in the mix.
Avoid automatically reducing the mids.
Instead, experiment with:
Strong upper mids for presence
Enough lower mids for body
Controlled bass
Smooth high frequencies
The goal is a thick, aggressive sound that doesn't disappear behind the bass and drums.
Step 3: Experiment With Multiple Amplifier Tones
One of the most interesting aspects of Adam Jones' setup is his use of multiple amplifiers.
You can experiment with a similar approach using the Quad Cortex's parallel signal paths.
For example:
Path A – Marshall-Style Character
Use a Marshall JVM capture to provide midrange aggression and amplifier character.
Path B – Mesa-Style Character
Use a Mesa/Boogie Dual Rectifier capture to provide additional thickness and high-gain response.
Blend the two paths to create a more complex sound.
You don't need to use both amplifiers at equal volume.
Experiment with their levels until they complement each other.
This is an alternative way to explore a multi-amplifier approach, not an exact recreation of Adam Jones' original rig.
Step 4: Choose the Right Cabinet
Cabinet choice is particularly important when blending different amplifier tones.
A 4x12 cabinet is a useful starting point.
Experiment with:
Mesa-style 4x12 cabinets
Marshall-style 4x12 cabinets
Vintage 30-style speakers
Greenback-style speakers
SM57-style microphone positions
Different microphone blends
If you're using D.I. captures, make sure each path has an appropriate cabinet stage.
If you're using full-rig captures, check whether the cabinet and microphone coloration are already included before adding another cabinet block.
Step 5: Control the Low End
Tool's guitar sound has substantial weight, but too much bass can make the guitar muddy.
If the low notes sound loose, try:
Reducing excessive bass before the amplifier
Adjusting the cabinet IR
Reducing unnecessary gain
Applying subtle post-capture EQ
Let the bass guitar provide much of the deepest low-frequency weight.
Your guitar should provide the aggression, body, and midrange definition.
Step 6: Experiment With Your Guitar's Volume Control
One interesting part of Adam Jones' playing approach is his use of guitar volume to manipulate the amplifier's response.
Rather than keeping the guitar volume at maximum all the time, experiment with rolling it back for cleaner or softer sounds.
A responsive amplifier capture can produce different levels of distortion depending on how hard you pick and how much signal you send into it.
This can give you a more dynamic sound without constantly changing presets.
How to Get the Tool Effects Using Quad Cortex
The amplifier is only part of the sound.
Adam Jones uses effects in creative ways, particularly wah, flanger, delay, and unusual sound manipulation.
The Quad Cortex gives you plenty of flexibility to experiment with these sounds.
1. Add a Wah Effect
Wah is an important part of Adam Jones' guitar vocabulary.
He has used wah in a less conventional way than many traditional rock guitarists.
Try experimenting with:
Slow wah movements
Partial wah positions
Expression pedal control
Wah combined with distortion
The goal is to use the effect as part of the guitar's overall character rather than simply sweeping it back and forth.
2. Experiment With Flanger
A flanger can help create the unusual, metallic guitar textures heard in some Tool songs.
Try a Boss BF-2-style flanger setting as a starting point.
Experiment with the depth, rate, and feedback controls.
Use it on a separate scene so you can switch between normal rhythm tones and more experimental sounds.
3. Add Delay
Delay is particularly useful for atmospheric sections and repeating guitar patterns.
Adam Jones has used Boss DD-3-style delay sounds.
Try:
Short delay times for subtle thickness
Quarter-note delay for rhythmic patterns
Longer delays for atmospheric sections
Multiple delay blocks for more complex textures
For some parts, subtle delay is more effective than a huge ambient effect.
4. Use Volume Swells
Volume swells can create atmospheric guitar sounds without requiring additional distortion.
Try placing a volume control before the delay and reverb effects.
Lower the guitar volume or use an expression pedal to create gradual increases in volume.
This works particularly well for sustained notes and atmospheric sections.
5. Experiment With Unusual Sounds
Adam Jones is known for experimenting with unconventional objects and devices to create unusual guitar sounds.
The Quad Cortex gives you plenty of options for experimenting with pitch effects, modulation, delay, and filtering.
Try creating a separate experimental scene rather than adding unusual effects to your main rhythm sound.
What Tunings Does Tool Use?
Tool uses several different guitar tunings depending on the song.
Adam Jones is particularly associated with Drop D tuning.
A standard guitar in Drop D is tuned:
Low to high: D – A – D – G – B – E
He has also used unusual alternate tunings.
For example, "Parabola" uses a Drop B/E tuning, where the lower strings are tuned differently from conventional Drop D.
The important thing is to check the tuning of the specific song you're learning.
You don't necessarily need a seven-string guitar to play Tool.
Adam Jones has traditionally used six-string guitars, including his famous Gibson Les Paul Custom Silverburst.
Recommended Quad Cortex Signal Chains for Tool-Inspired Tones
Here are two practical starting points.
Classic Tool-Inspired Rhythm
Noise Gate
Optional Boost
Mesa/Boogie Dual Rectifier Capture
4x12 Cabinet IR
Subtle Post-EQ
Output
Layered Multi-Amp Approach
Input
Parallel Split
Path A: Marshall JVM Capture
Path B: Mesa/Boogie Dual Rectifier Capture
Separate Cabinet IRs
Blend
Output
Atmospheric / Experimental Scene
Clean or Crunch Amp
Volume Control
Flanger / Modulation
Delay
Reverb
Output
These are starting points. Experiment with different amplifier combinations, effect placements, and levels to find the sound that works best.
Best Quad Cortex Packs for Tool-Inspired Guitar Tones
If you're looking for professionally captured amplifiers, these Strange Angles Music collections are worth exploring.
1. Metal Essential – Quad Cortex Pack
The Metal Essential Quad Cortex Pack is my first recommendation for this article.
It includes:
15 D.I. amp captures
6 amp and cabinet captures
Approximately 12 D.I. overdrive captures
Featured amplifiers include:
Mesa/Boogie Dual Rectifier
EVH 5150 III
ENGL Savage
ENGL Powerball
Marshall JVM
The Mesa/Boogie Dual Rectifier and Marshall JVM make this particularly useful for experimenting with two different amplifier characters.
Best for: Progressive metal, alternative metal, classic heavy metal, and aggressive rhythm guitar.
Explore Metal Essential – Quad Cortex Pack →
2. Quad Cortex – Everything Pack
If you want a much larger selection of amplifiers, the Quad Cortex Everything Pack includes over 150 D.I. and studio captures.
Featured amplifiers include:
Fortin Evil Pumpkin
Fortin Meshuggah 2.0
Omega Ampworks Granophyre
Omega Ampworks Obsidian 1.5
RedSeven Duality
RedSeven Leviathan
Dover DA 50
Driftwood Purple Nightmare
Randall Satan
Science Hellhawk
Science Mother
Fryette Deliverance
EVH 5150 III
ENGL Savage
ENGL Powerball
Marshall JVM
Dimebag Darrell Warhead Mini
It also includes preamp captures, overdrives, and additional amplifier tones.
Best for: Guitarists who want a large selection of modern and classic high-gain amplifiers in one collection.
Explore Quad Cortex Everything Pack →
How to Make Your Tool-Inspired Tone Sound Better in a Mix
Don't Automatically Double-Track Everything
Tool's guitar recordings don't always rely on the conventional double-tracked rhythm approach used by many metal bands.
Adam Jones has discussed recording one performance routed through multiple amplifiers, or sometimes recording two separate performances.
Experiment with both approaches.
A single performance blended through different amplifier tones can create a huge sound while preserving the character of the original playing.
Keep the Midrange Present
Don't scoop the guitar to make it sound heavier.
A strong midrange is one of the defining characteristics of Tool's guitar sound.
Use Different Amplifiers for Different Frequencies
If you're experimenting with parallel amplifier paths, try giving each amplifier a slightly different role.
One can provide midrange aggression while another adds thickness and low-frequency weight.
Don't Overdo the Gain
A more dynamic guitar tone can produce a heavier result than excessive distortion.
Let the amplifier respond to your picking rather than compressing everything into one constant level.
Leave Space for the Bass
Justin Chancellor's bass playing is an important part of Tool's overall sound.
Avoid excessive low-frequency buildup in the guitar signal.
Let the bass provide much of the low-end foundation while the guitar maintains its distinctive midrange character.
Frequently Asked Questions
What amplifier does Adam Jones from Tool use?
Adam Jones has used different amplifier combinations throughout his career, including the Diezel VH4, modified Marshall Super Bass, Mesa/Boogie Dual Rectifier, Bogner Uberschall, and Rivera Knucklehead Reverb.
What is the main amplifier behind the Tool guitar tone?
The Diezel VH4 and modified Marshall Super Bass are two of the most recognizable amplifiers associated with Adam Jones.
However, his sound often involves multiple amplifiers rather than one single head.
Can I get a Tool guitar tone with Quad Cortex?
Yes. You can use high-quality amplifier captures, parallel signal paths, cabinet IRs, and effects to build your own Tool-inspired guitar tone.
What tuning does Adam Jones use?
Drop D is one of his most recognizable tunings. He has also experimented with Drop B/E and other alternate tunings depending on the song.
Does Tool use a seven-string guitar?
Adam Jones is primarily known for using six-string guitars, including his Gibson Les Paul Custom Silverburst.
Should I use a Mesa/Boogie Dual Rectifier capture?
Yes. The Dual Rectifier is particularly relevant because it has been part of Adam Jones' historical amplifier combinations.
Should I use a Marshall capture?
A Marshall-style capture is another useful option because Adam Jones has used a modified Marshall Super Bass for many years.
The Marshall JVM in the Metal Essential pack is a different amplifier, but it provides an alternative Marshall-style character worth experimenting with.
Can I create the Tool flanger and delay sounds with Quad Cortex?
Yes. The Quad Cortex has effects that allow you to experiment with flanger, delay, wah, modulation, and atmospheric sounds.
Final Thoughts
Tool's guitar sound is built around thick midrange, amplifier dynamics, unusual effects, and creative multi-amplifier combinations.
Unlike a conventional modern metal tone, it isn't about excessive gain or scooped EQ.
The Mesa/Boogie Dual Rectifier and Marshall JVM captures in the Strange Angles Music collection are excellent starting points for exploring this style.
Experiment with parallel amplifier paths, preserve the midrange, use effects creatively, and let your playing dynamics shape the final sound.
With the right captures and signal chain, you can build a powerful Tool-inspired guitar setup using your Quad Cortex.
Find Your Next Quad Cortex Guitar Tone
Explore the Strange Angles Music Quad Cortex collection and discover professionally captured amplifiers for progressive metal, alternative metal, heavy rock, and more.