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Average Price: $192
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$50
$176+
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Based on price data from 3 merchants for "J Rockett Audio Designs .45 Caliber". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Step into the golden era of rock with the J Rockett Audio Designs .45 Caliber Overdrive Pedal—a meticulously crafted tribute to the iconic 1962 JTM 45 amplifier. This pedal is your ticket to the crunchy rhythm tones that defined legends like Malcolm Young and Pete Townshend, distilling the essence of those roaring stacks into a compact, pedalboard-friendly package. With a straightforward interface featuring controls for Gain, Treble, and Bass, the .45 Caliber allows you to sculpt your sound from a smooth bluesy breakup to a full-throttle, wide-open roar.
Its true bypass switching ensures your original tone remains pristine when the pedal is disengaged, while the innovative Speed Switch system means you can replace the footswitch effortlessly, keeping you gig-ready at all times. Whether you're playing in your garage or on stage, the .45 Caliber infuses your signal with the distinctive British saturation that electrified the '60s rock scene.
Built to withstand the rigors of performance, this pedal is housed in a robust metal casing and is proudly hand-built in the USA. Power it with a standard 9-volt battery or adapter, and let the .45 Caliber redefine your classic rock sound.
Key Features:
- Emulates the sound of a cranked 1962 JTM 45 amp
- Simple 2-band EQ for effective tone shaping
- Versatile Gain control from bluesy to full-on crunch
- True bypass switching to preserve your original tone
- Solderless Speed Switch replacement system for quick footswitch swaps
- Metal casing for durability
- Powered by a 9V battery or DC supply
- Hand-built in the USA
Product specs
| Pedal Type | JTM Overdrive |
| Analog/Digital | Analog |
| Inputs | 1 x 1/4" |
| Outputs | 1 x 1/4" |
| True Bypass | Yes |
| Power Source | 9V DC power supply (sold separately) |
| Batteries | 1 x 9V |
| Power Usage | 8mA |
| Height | 1.2" |
| Width | 2.3" |
| Depth | 4.0" |
| Weight | 1.6 lbs. |
FAQs
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What kind of tones can I expect from the J Rockett Audio Designs .45 Caliber Overdrive Pedal?
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The .45 Caliber is modeled after the classic JTM45 amplifier, delivering a warm, British-style overdrive with a rich midrange and smooth top-end, perfect for classic rock and blues tones.
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Is the J Rockett Audio Designs .45 Caliber Overdrive Pedal true bypass?
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Yes, the .45 Caliber Overdrive Pedal features true bypass, ensuring that your guitar's tone remains unaffected when the pedal is not engaged.
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Can the .45 Caliber Overdrive Pedal be powered by a battery?
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Yes, the pedal can be powered by one 9V battery, in addition to a 9V DC power supply (sold separately).
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How does the .45 Caliber Overdrive compare to other J Rockett pedals?
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The .45 Caliber is specifically designed to emulate the JTM45 amp sound, offering a distinct British overdrive tone, while other J Rockett pedals may focus on different amp styles or tonal characteristics.
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Is the J Rockett Audio Designs .45 Caliber Overdrive Pedal suitable for live performances?
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Yes, with its robust build and true bypass switching, the .45 Caliber is well-suited for live performances, providing reliable and consistent overdrive tones.
Videos
ProGuitarShopDemos
J Rockett Audio Designs .45 Caliber
Reviews
PROS
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Delivers classic AC/DC and Malcolm Young tones effectively
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Stacks well with other pedals, especially K-type and clean boosts
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Natural integration into amp's sound without altering original tone
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Exceptional dynamic response to guitar volume and pick attack
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Versatile EQ settings suit various guitar and amp types
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High-quality sound, doesn't feel artificial compared to other OD pedals
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Top-mounted jack ports save space on pedalboards
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Effective across a wide gain range without losing clarity
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Maintains punch and clarity with single coils and humbuckers
CONS
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Knobs may shift position when transported in a bag
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about J Rockett Audio Designs .45 Caliber.
Features and functionality
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Owners appreciate the pedal's ability to maintain clarity when adjusting the bass and treble knobs, avoiding muddiness and brittleness at extreme settings.
Source
Comparisons
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Users note the .45 Caliber's design is similar to the Timmy pedal, offering a comparable transparent drive experience with a different tonal character.
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The pedal is often compared to Marshall emulators but is said to exceed this label, offering more tonal capabilities depending on the rig setup.
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Use cases and applications
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The pedal is highlighted for its versatility, effectively covering a range from light crunch to full distortion, making it suitable for various musical styles.
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Critic Reviews
5.0 out of 5
Based on 1 Review and 2 Ratings
191
Great pedal
I really like this pedal. It gives the guitar a Malcolm Young sort of tone
Artist usage
Add artist
Michael Lee Firkins has confirmed the use of the J Rockett Audio Designs .45 Caliber pedal in his setup through an Instagram post. In the caption, he explains how he achieves his sound by setting his Marshall amp clean and using various pedals, including those from J Rockett Audio Designs.
At 22:23 in the video titled "The PERFECT Pedal Platform Amp | Fender Hot Rod Deville ML Michael Landau" by R.J. Ronquillo on YouTube, R.J. Ronquillo can be seen stepping on the J Rockett Audio Designs .45 Caliber pedal, confirming its use in his setup.
In the YouTube video titled "Pedalboard Walkthrough - E Edwards," posted by E. Edwards, he provides a detailed explanation of his pedal board as of May 30, 2020. At the 0:27 mark, Edwards clearly identifies and showcases the J Rockett Audio Designs .45 Caliber pedal positioned on the bottom row of his pedal board.
Album Usage
The J Rockett Audio Designs .45 Caliber has been featured on the following albums:
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use J Rockett Audio Designs .45 Caliber, it is most commonly used with the following gear.
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