Super Fuzz - Univox / Shin-Ei Companion Fuzz FY6

Earplugs at the ready for this one. Massive uncompromising octave-up fuzz.

Shin-Ei's high-gain fuzz box was made under many guises in the 70s, the most famous probably being their own FY6, and Univox's Super Fuzz.

Want Pete's Live at Leeds wall-of-guitar? Or the thicker end of Poison Ivy's sound? Look no further.

There's much debate about the best transistors to use in this circuit, but really it comes down to personal taste. The FuzzDog lab was locked down for countless hours while socketing and comparing was done. In the end our ears liked the high-gain results from 6 x 2N5088. It can be tamed a bit with 2N2222 or BC107, but this pedal is NOT about tame. It is about huge fuzz.

PCB features:

  • Trim pot for dialling in the octave signal just-so
  • Optional board-mounted diode selection switch
  • Spots for two sets of clipping diodes

Tone switch is board-mounted for minimal wiring and easy enclosure mounting.

Beware - this is not a quiet circuit. Such massive gain means inevitable hiss and fizz. Not too much, but its there. With the amp cranked and strings muted you will likely get some hiss.

Direct-Connect compatible (4-way)


Kit includes: PCB, all components, hook-up wire, 3PDT footswitch for true bypass, jack sockets, DC socket, battery snap, LED. Enclosure (pre-drilled) is optional and will not take a battery. Does not include knobs.

Difficulty: Medium

PCB size: 50 x 50mm

Knobs required: 2

Enclosure: 1590B


If you want the kit pre-built you must add the enclosure option below and select your knobs in the Components section. Check Specials for powder-coated enclosure availability.


Download INSTRUCTION PDF

SuperFuzz

Pedal Parts

110g

New

£32.40 inc. tax

£27.00 ex. tax
? Tax based on United Kingdom.

Customer Reviews

4 review(s) posted (write review)
Super fuzzy fuzz!!! 5 product stars
"I bought this pedal as a Big Muff Pi + Superfuzz combo but now I moved it into a stand alone enclosure as this fuzz is freaking awesome. Is dark yet bright. Is like a wild horse, no matter how you tweak your guitar volume, this animal will scream the same. I made the 8th trim pot a external knob in order to have more versatility. It well could be an ON/OFF switch as is the way I like it (all or nothing). Anyway, I am having a second honey moon with this effect, once when I mixed with the big muff (nice dual pedal for Mudhoney fans, but not very useful) and now when I made a single effect pedal with the 8th control knob. Love it the same I love all products I bought here." Javi - 18/01/2016
ROAAAR 5 product stars
"This is an amazing fuzz. Dirty but cuts through like butter. Doesn't respond especially well (or let's say not the classic way) to the volume pot on my system, thins out but in itself that is an interesting sound actually and I find myself using it more and more. Love love love this fuzz. The slight octave (make sure you dial it in using the trim pot) is just what's needed to make it a bit different, and with the trimpot all the way down you can get a really good gated, splattery type of fuzz. The diode switch provides another tone, in my case I found one had more output and body. And the tone switch, like in the original provides an almost completely different sound altogether, scooped and metallic. Again, a great kit from Fuzzdog, get it!!!" Francois - 23/08/2015
Some new kind of kick 5 product stars
"This was my first build, and when it arrived I was surprised how small the PCB was and worried I wouldn't manage. However, after watching a couple of youtube 'how to solder' vids I got stuck in and all was fine. I put the diode in the wrong way round , which went into smoky oblivion at the battery test stage(I emailed Lee and he got straight back to me), but otherwise it was great fun and surprisingly straightforward just following the instructions. Tips: 1. paint the box before assembly - obvious I know but so much easier. 2. Put the diode in the right way! (striped end in square pad). Results - Fan--feckin'-tastic. I've got an original superfuzz, but it's too nickable and the switch is glitchy so it stays in the house. This build is a very faithful clone. Turn the trim pot all the way up and let the waves of fizzing spitting fuzz roll!" BlueLou - 06/03/2014
terrifying 5 product stars
"Absolutely the MOST scary fuzz pedal I've ever heard, which doesn't mean bad, oh no, not at all. Quite the reverse. If you want something which cuts through anything on single notes this is your thing. As long as you don't mind tearing a few people's eyes out in the process. If you want the most bone crunching riffs possible, this is probably also your thing. As long as you don't mind making a few people's guts hurt in the process. If you want to be able to hear the individual notes within chords using more than two strings, forget it. Get something nice. This isn't nice. It's amazing." grievobelievo - 22/05/2013

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