Fuzzlord Drone Master

The Fuzzlord Drone Master is a high-gain distortion pedal from Fuzzlord Effects, built around the classic LM308 Rat circuit and aimed squarely at players who tune down. Fuzzlord describes it as made for "guitarists and bassists who demand seismic tone, crushing weight, and uncompromising clarity in the lowest tunings," and says it is voiced to retain low-end integrity at those settings¹². Where the original Rat is a general-purpose op-amp distortion, the Drone Master extends the circuit with selectable clipping diodes and a midrange toggle, giving four distinct modes from two switches¹.

A Rat circuit for low tunings

The Drone Master is based on the classic LM308 Rat circuit, the op-amp distortion design Fuzzlord says was "made famous by countless bands over the decades"⁴. Delicious Audio's write-up likewise calls it "Based on the classic LM308 RAT circuit"². But Fuzzlord frames the pedal as a mutation of that design rather than a clone: the maker's product page says it is "Inspired by the legendary Rat circuit, but mutated far beyond its origins," harnessing "the raw power of classic op-amp distortion"¹.

What separates it from a stock Rat is the voicing and the switching. Fuzzlord says the Drone Master is "meticulously voiced to retain low-end integrity, slice through walls of sound," which is the pitch to players in drop tunings and to bassists¹. The older maker page describes it as "brutally high gain, different clipping options, and added mid scoop/boost toggle" in one package⁴. Delicious Audio's Paolo De Gregorio called it a drone-filled take on the Rat circuit, suited to heavy styles².

The controls and four modes

Three knobs set the basic shape of the sound, and two toggles multiply the options into four modes¹⁴.

The Filter control works like the Rat's: it is a treble cut rather than a conventional tone knob, so turning it down darkens the pedal rather than boosting highs².

Toggle 1 (midrange): up gives a Hyperfuzz-inspired mid scoop, down gives a classic Rat-style mid boost, which is the stock setting¹. Delicious Audio describes the choice as "a mid scoop or a mid boost akin to the classic Hyperfuzz"². In practice this is the toggle that decides whether the pedal sits dark and scooped for doom-style walls of sound, or pushes its mids forward to cut through a dense mix.

Toggle 2 (clipping): down selects silicon diode clipping, the stock mode; up selects LED clipping⁴. Fuzzlord describes the two as "aggressive LED clipping or razor-sharp silicon diodes for full control over compression, saturation"¹. Both the maker and Delicious Audio note that the LED mode is much louder and more compressed than the silicon mode, and that it provides a volume boost²⁴. That boost is worth knowing about before you flip the switch mid-song.

With two toggles, each with two positions, the pedal offers four distinct tonal modes in total¹⁴.

Power and connections

The Drone Master runs on a 9V DC center negative supply with a 2.1mm plug, drawing 40mA¹. RockBoard's PedalPedia listing confirms the same 9V DC center negative specification and 40mA current draw⁵. Fuzzlord recommends an isolated supply for optimal performance, a recommendation Delicious Audio repeats¹². There is no battery option in the maker's specifications, so this is a pedalboard power supply pedal.

The enclosure measures 120 x 94 x 42.5 mm, which Fuzzlord calls compact and pedalboard-friendly¹. Switching is true bypass with soft switching, which the maker describes as giving seamless transitions between engaged and bypassed states¹. Delicious Audio also calls it "a perfect addition to any pedalboard"².

Where it sits in the Fuzzlord range

Fuzzlord Effects makes a range of heavy distortion pedals alongside the Drone Master, including the Riff God, the Nazareth Octave Distortion, the Nazareth Doomy Octave Distortion, and the FTW120. RockBoard's PedalPedia entry for the Drone Master also lists a demo video by AndyDemos⁵.

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