KMA Audio Machines Guardian of the Wurm High Gain Distortion
KMA Audio Machines

KMA Audio Machines Guardian of the Wurm High Gain Distortion

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Regular price $349.00
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Fusing together the powerful evolution of KMA’s highly regarded WURM Distortion with an intuitive, yet versatile and ultra-fast Noise Gate, GUARDIAN of the WURM is the perfect metal monster. From chugging hard-rock, droning doom metal and grinding Swedish death metal, the beast abides. But through its highly tweakable control set, the pedal can be tamed to provide impeccable clarity to your riffs, making this the definitive dirt pedal for metal, prog-rock, shoegaze, indie and beyond.

  • Distortion Pedal with Built-in Noise Gate
  • The next evolution of KMA’s top-seller WURM, the most extensive and configurable HM-2 style unit on the market
  • Easy-to-use, yet high-performance Blackmer® VCA-based Noise Gate
  • 3 different clipping styles: Silicon (As HM-2), Asymmetric (More grit and less drive compression), Off (Diode lift, perfect for bass and baritones)
  • Clean Blend, for a tight low end
  • Highly configurable 4-band Active EQ, with variable centre-frequencies
  • 3 distinct types of HIGH MIDS frequency controls, to tailor your tone
  • External Trigger Input, allows Noise Gate control from an external source
  • FX-Loop between Distortion and Noise-Gate, for signal-chain flexibility
  • Internal control for an input filter, signal-trigger source and Noise Gate response
  • Relay-based soft-switching, with variable Gate switching modes
  • Made in Berlin, Germany
  • Power by opt. 9 V PSU (9 V DC, centre -, 2,1 mm, >150 mA max. current draw)

Calling a pedal legendary or a cult classic is often stretching the truth, but when it comes to the Boss HM-2 MIJ it’s absolutely on the money. We’ve never tried to hide the fact that the WURM Distortion is our unabashed sonic love letter to this filthy box of doom and gloom, taking the essential ingredients of this classic, while in the process developing a way more flexible metal-distortion pedal. While WURM absolutely nails that Swedish death-metal chainsaw sound, the pedal is not all about that and is adept for so many other genres. To give you an idea, famous players like David Gilmour, Prince, Johnny Marr, Belinda Butcher, Lee Ranaldo, Daron Malakian and others have all made their mark with this style of distortion.

With GUARDIAN of the WURM, we’ve evolved our take on this venerable circuit and added a bunch of really useful new features. Whether you’re playing guitar, baritone, bass or synths through this pedal, we’re sure you’ll appreciate the immense flexibility on offer here. So let’s dig in. We of course kept the iconic active HM-2 dual band EQ section, but added two more bands, giving a much wider range of tones to tailor your evil and gritty distortion sound. Each band now has a dedicated centre-frequency control on the front of the pedal, allowing you to quickly and easily change and fine-tune your tone.

The EQ-STYLE mode, now also on the front of the pedal, helps you carve out even more tonal variation. Selecting HM-II mode will get you that classic ‘chainsaw’ high-mids character. However, in KMA mode the EQ is a little more tonally balanced, less peaky and a bit wider in response. Selecting BOTH fattens and doubles up the tone stacking, allowing you to rank the LOWS and the HIGH MIDS and rip that Swedish forest even more to shreds.

To adjust the extent of drive compression, you can choose between 3 different clipping styles. Silicon (Si) delivers the original compression, for rich harmonics and singing leads. Asymmetric (A-S) increases the headroom and gives you more grit by retaining complex harmonics, while the OFF position lifts the sound of the Diodes for a slight compression and way more clarity, which is perfect for baritone guitars or bass. Plus, the Clean Blend feature helps to preserve your natural core tone. Simply twist the BLEND control to mix in the original unprocessed signal, allowing the initial pick attack of your tone to breathe. It is also especially useful when running the GUARDIAN of the WURM into an already distorted high-gain amp.

When talking about high-gain, we all know drive circuits like this at full tilt can be noisy malice monsters. To get a grip on the potential noise floor, we designed a sophisticated, yet easy to use Noise Gate. This is based on a high-performance Blackmer® VCA and provides lightning fast and precise performance. Simply set the Threshold to taste via the GATE control and enjoy the silence. Fast palm-mutes? No problem. Decaying notes? Dead simple to accomplish. For even more tweakability, we fitted an internal DIP switch to change the trigger-source from pre- or post-Distortion or even pre-Noise Gate. Pre-Noise Gate? Well, that’s because we added a TRS FX-Loop that works between the Distortion and the Noise Gate sections, allowing you to insert whatever fun noise-making pedals you might wish between them. You can also use this feature to place the Noise Gate section in your amplifier’s FX-Loop. Those who like to experiment with sound designs might even use the Noise Gate in other ways, for instance by using an external trigger source. No problem, the EXT TRIG jack hooks up to your source of choice. In extreme settings, the WURM can sometimes begin to feedback, which can’t even be suppressed by the Noise Gate. To tame that high-frequency content, flip the internal dip-switch to activate the input filter to help smoothen things out. Yup, we did think of everything.

But wait, there is more! As the cherry on top, we added relay-based soft switches and also two different activation modes to suit the needs of different players. “Independent mode” is exactly what it says on the tin. Both sides of the pedal can be switched on and off independently via the TERROR or TAME switches respectively. However, in “Synced mode” the entire pedal is switched on and off via the TERROR switch. In this mode the Noise Gate can also be switched in and out of the circuit as desired. Changing between modes is really simple to do. Just hold down both switches while connecting the pedal to the power supply, and you’re good to go. Once set, GUARDIAN of the WURM will remember the setting, even when powered off.


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