Great Eastern FX Co. Great Eastern FX Focus Fuzz Deluxe

The Great Eastern FX Focus Fuzz Deluxe is a limited-run fuzz pedal from UK builder Great Eastern FX Co., designed by founder David Greeves and built in Cambridge, U.K.¹² It takes the hybrid germanium and silicon fuzz circuit of the company's 2023 Focus Fuzz and expands it into a three-in-one gain pedal: a three-way rotary switch selects boost, overdrive or fuzz, and a second footswitch slaps on a transistor-based analog octave-up³⁴. Around 400 units were planned, priced at £299 at launch in March 2025⁵¹².

Greeves' original idea with the Focus Fuzz was to convince players who never got on with fuzz that it could be a viable pedalboard option, working with single-coil and humbucker guitars alike¹. The Deluxe carries that user-friendly aim further: Premier Guitar called it an evolution of the "très élégant" Focus Fuzz whose "deluxe" status comes from the added boost, overdrive and octave functions⁶.

Fuzz, overdrive and boost with an octave-up footswitch

The pedal's core is a vintage-style, original-design fuzz circuit that Delicious Audio describes as taking "the core vintage-style (yet original design) fuzz circuit" and extending it⁷. Guitar.com's buying guide notes it nails prized Tone Bender sounds while also serving as a medium-gain overdrive or a clean boost, plus a raspy octave mode on the second footswitch².

What each mode offers, according to reviewers:

The octave is the headline addition. Premier Guitar's reviewer called it "a star" and more musical than many octave-up effects, keeping chords full and detailed⁶. Guitar.com's Richard Purvis found it "turns nasty" in the best way: blended octave tones high up the neck in fuzz mode, and blackboard-scraping ring-mod effects on open chords³. It works in every mode, not just fuzz: "It works with the fuzz, drive, or boost"⁶, and Guitar Pedal X's Stefan Karlsson reported it "works beautifully with the Boost and Overdrive Modes too"⁵. Premier Guitar's reviewer found that adding the octave to a boosted signal with a generous heap of Focus yields funky, eccentric electric-sitar tones⁶.

The controls: Focus, Fuzz, Level and the mode switch

Four controls sit on the Hammerite-finished enclosure⁶:

Two things are worth knowing as a player. First, the Fuzz control only works in fuzz mode, so in boost or overdrive the gain is fixed³. Second, the Focus control keeps working in the non-fuzz modes, adding gain to the front of the circuit, and Guitar.com found it works well on all of them³⁴.

Premier Guitar's reviewer praised the interplay of the controls, noting the output level differences between fuzz, drive and boost are pretty uniform, so quick mode switches on the fly will not fry ears with a level jump⁶. Karlsson went further: "It's the only fuzz I have - where you can turn down any two knobs out of the 3 and still get interesting outputs."⁵

Inside the hybrid germanium and silicon circuit

The Deluxe replaces the all-silicon circuitry of the standard Focus Fuzz with the mixed silicon and germanium transistors of the original 2023 limited edition³. A significant part of the fuzzy heart is a Soviet-era germanium transistor that is tricky to source⁶. The circuit is executed with precision on through-hole board⁶, and Premier Guitar noted the lovingly designed enclosure, robust pots and switches, and considerable heft⁶.

How the transistors are distributed across the circuits, per Guitar Pedal X⁵:

The fuzz circuit is "nigh identical" to the original Focus Fuzz's two-transistor hybrid core⁵, which itself reinvented the classic Fuzz Face with two silicon and one germanium transistor⁵. The octave's BC107B and BC177B pairing is what gives it what Karlsson called uniquely warm and musical harmonic octave overtones⁵.

From the Focus Fuzz to the 400-unit Deluxe

The original Focus Fuzz launched in March as a limited edition of 250 units, all soon sold out⁸⁹. The limit was not marketing: Greeves only had enough parts for 250 units, with the MP38A germanium transistor particularly hard to get hold of⁵.

A follow-up, the Focus Fuzz Silicon, arrived in July 2023 as a darker, grittier and more affordable version built on the silicon side of the original circuit, using three low-gain silicon transistors, top-mounted jacks and an anodised aluminum faceplate with knobs for Fuzz, Level and Focus⁹⁸. MusicRadar's later review of the Silicon called it "a new shade rather than a completely colour" of the original, a user-friendly fuzz that can perform all manner of gain and dirt functions on request⁸.

The Deluxe, launched in March 2025, goes back to the hybrid germanium formula. Greeves estimated he had enough NOS transistors for 400 units this time out¹⁶, and Premier Guitar noted it will remain a rare bird⁶. Guitar.com's Richard Purvis heard a difference from the original: "this one seems to have a bit more body in the lower mids, so it feels slightly more grounded and less frisky."³

What reviewers made of it

Reception was strong across the press. Guitar.com's 2026 fuzz buying guide named it the best combined fuzz and overdrive in its category², and Guitar Pedal X gave it a Silver award in its 2025 fuzz roundup⁴. Premier Guitar's reviewer found the drive delicious with Fender single-coils and PAF humbuckers, easily cleaned up with guitar volume or picking intensity, and concluded it was hard to imagine adding more footswitches without sacrificing the pedal's elegance and proportions, and elevating the already considerable price⁶.

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