Pettyjohn Electronics Iron MKII

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Page last updated May 29, 2026

Pricing and availability

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Price

Average Price: $200

High-end/Boutique

$60

$151+

Price Tier

In the Boost Effects Pedals category, PettyJohn Electronics Iron MKII is priced in the High-end/Boutique range. This premium gear is built to very high standards and offers premium features.

Budget

Standard

High-end

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Description

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The PettyJohn Electronics Iron MKII is a powerhouse boost effects pedal designed to enhance your guitar's tone with precision and clarity. This pedal is a refined version of its predecessor, delivering a versatile range of clean boosts to gritty overdrives, ensuring that your sound stands out in any mix. The Iron MKII is built with musicians in mind, offering a discrete op-amp design that provides a transparent boost, maintaining the integrity of your original signal while adding depth and character.

One of the standout features of the Iron MKII is its three-way toggle switch, allowing you to select between different clipping modes. This offers a wide array of tonal possibilities, making it a versatile tool for various music styles. The pedal is also equipped with top-mounted jacks, which help save space on your pedalboard, a feature that gigging musicians will appreciate.

Whether you're looking to push your amp into natural overdrive or add a little extra sparkle to your clean tones, the Iron MKII delivers with precision. Its high-quality components and robust construction ensure that it will stand up to the rigors of the road, while its intuitive controls make it easy to dial in the perfect sound.

Key Features:

Discrete op-amp design for transparent, high-fidelity boost
Three-way toggle switch for clipping mode selection
Top-mounted jacks for pedalboard efficiency
High-quality components for durability and superior sound
User-friendly controls for easy tone shaping

Product specs

Brand	Pettyjohn Electronics
Model	Iron Mk II
Finish	Gray
Year	2010s
Made In	United States
Categories	Overdrive and Boost Pedals
Pedal Format	Standard

FAQs

What type of music is the PettyJohn Electronics Iron MKII best suited for?: The PettyJohn Iron MKII is ideal for genres requiring dynamic overdrive and boost, such as rock, blues, and country, due to its ability to enhance clarity and sustain.
Does the PettyJohn Iron MKII work well with both tube and solid-state amplifiers?: Yes, the Iron MKII is designed to complement both tube and solid-state amplifiers, providing a versatile overdrive and boost that enhances the amp's natural tone.
What power supply does the PettyJohn Iron MKII require?: The PettyJohn Iron MKII requires a standard 9V DC power supply with a negative center, commonly used for guitar pedals.
Can the PettyJohn Iron MKII be used as a standalone overdrive pedal?: Yes, the Iron MKII functions effectively as a standalone overdrive pedal, offering a rich and dynamic tone that can drive your amp to create a wide range of sounds.
How does the PettyJohn Iron MKII differ from other boost pedals?: The Iron MKII stands out with its high-quality components and versatile tone-shaping capabilities, providing a more refined and dynamic boost and overdrive experience compared to standard boost pedals.

Videos

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Shawn Tubbs

Pettyjohn Electronics IRON MK II. Classic Rock Tones! Demo Video by Shawn Tubbs

Shawn Tubbs

Pettyjohn CHIME MKII vs IRON MKII vs GOLD MKII

Aaron Sternke

Pettyjohn IRON MKII (demo)

Aaron Sternke

Pettyjohn Electronics IRON MKII

Eric Merrow

Pettyjohn Iron MKI vs MKII

Aaron Sternke

Reviews

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about PettyJohn Electronics Iron MKII.

Value and pricing

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The original price of $299 is considered high, with some owners suggesting a used price of $150 is still not justified.
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Owners note a price reduction from $229 to $194 during sales, making it more accessible to those hesitant about its original cost.
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Features and functionality

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The clean blend function is highlighted as a particularly useful feature, enhancing its versatility when stacking with other effects.
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The pedal's three distinct clipping options include MOSFET for boosting, LED for an open/edge-of-breakup sound, and Asymmetrical Silicon for a heavier overdrive lead tone.
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Use cases and applications

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Best results are noted when the pedal is stacked or played through the overdrive channel of an amp, suggesting a preference for integration into more complex setups.
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The Iron MKII shines when paired with a Gretsch Electromatic G5122 and a Fender Blues Deluxe RI, delivering fantastic tones even with non-premium gear.
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Comparisons

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Despite the marketing as a "pro studio" component, some users find no distinguishable difference compared to a $75 pedal in terms of sound quality.
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Users consider the Iron MKII versatile compared to other drive pedals like the ThorpyFx Peacekeeper and Morning Glory, which excel on lower gain settings.
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User experience

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Owners describe the Iron MKII as their preferred drive pedal, with one individual considering it indispensable in their setup.
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Owners appreciate the full sweep of each knob, allowing for a consistently sweet tonal spot across settings.
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