The UAFX Knuckles ’92 Rev F Dual Rec Amplifier pedal is the latest addition to Universal Audio’s impressive lineup of legendary amp emulations.
UAFX Knuckles ’92
This compact pedal packs a powerful punch, delivering the iconic tone of the Mesa Boogie Dual Rectifier amplifier right to your pedalboard.
It follows on from the Enigmatic 82 and the Anti 1992 pedals. Let’s explore what makes this pedal a must-have for guitarists seeking versatility and exceptional sound quality.

Key Features
- Three Voicings: Channel between the green, orange, and red channels for a wide range of tonal options, from clean to heavy.
- Six Virtual Cabs: Choose from six meticulously modeled cabinets to match your desired sound.
- USB-C Connectivity: Customize your settings and access additional features using the UAFX app.
- EL-34 or 6L6 Power Tubes: Switch between these options to fine-tune your tone.
- Solid-State or Tube Rectifier: Experiment with different rectifier types for added versatility.
- Noise Gate and Tube Screamer Boost: Enhance your signal with these built-in features.
Performance and Sound
The UAFX Knuckles ’92 delivers on its promise of capturing the essence of the Mesa Boogie Dual Rectifier. The green channel offers a clean, articulate tone, perfect for classic rock and blues. The orange channel provides a balanced sound suitable for various genres, while the red channel delivers a heavy and aggressive tone ideal for metal and hard rock.
The pedal’s six virtual cabs offer a wide range of tonal possibilities. Whether you prefer the tight response of a British cabinet or the open sound of an American cabinet, you’ll find the perfect match for your playing style.
Versatility and Customization
One of the standout features of the UAFX Knuckles ’92 is its versatility. With the ability to switch between EL-34 and 6L6 power tubes, solid-state and tube rectifiers, and various cabinets, you can create a wide range of tones to suit any musical context.
The UAFX app provides even more customization options, allowing you to improve your settings. You can also access additional features, such as a noise gate and a Tube Screamer-style boost.

Guitar Bomb Verdict
The UAFX Knuckles ’92 Rev F Dual Rec Amplifier pedal is necessary for guitarists seeking a versatile and powerful amp emulation. Its ability to deliver iconic Mesa Boogie tones and its extensive customization options make it a top choice for players of all genres. If you want to elevate your guitar sound, the Knuckles ’92 is worth considering.

More Information
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