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One Knob Fuzz

Such a lot of thick fuzz for such a small build. Excellent response to playing dynamics. Now available in several boutique variations.

The circuit has a board-mounted pot for minimal wiring and simple enclosure mounting.

Kit is available with a standard sized 1590B enclosure with battery, or a mini 1590A (36 x 90mm) enclosure with DC power only, though be aware that you'll be wiring in a very confined space.


If you want the PCB without parts there's a link for that at the bottom of the page.

Partial kit: PCB, all board-mounted components, pots.

Full kit: As above, plus footswitch and appropriate daughterboard/components for your selected bypass type (see Downloads section for details of those), jack sockets, DC socket, battery snap, hook-up wire, LED.

Enclosure (pre-drilled) is available as an option with full kits, and can take a battery if desired with footswitch positioned 22mm higher, closer to the controls, in a 1590B. 1590A will not take a battery. Knobs are not included.

Builds are only available with full kits including enclosures. Please choose appropriate knobs.


Inspired by: Colorsound One Knob Fuzz / Ritual / Fuzzbud / Meathead

Difficulty: Easy

PCB size: 32 x 22mm

Knobs required: 1

Enclosure: 1590B, 1590A

Direct Connect compatible (4 way)


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 the INSTRUCTION PDF

OneKnobFuzz

Pedal Parts

85.0g

New

£21.60 inc. tax

£18.00 ex. tax
? Tax based on United Kingdom.
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Customer Reviews

10 review(s) posted (write review)
Coloursound one knob fuzz 5 product stars
"I bought this as my first ever pedal kit with the small enclosure , it was a simple build and worked first time. By god it s a great sounding fuzz and an awesome way to get into pedal builds. I ve done 3 and a tester since" Dominic Edwards - 07 September 2020
colorsound and 66B 2 product stars
"past noon the control is not very usable, it seems that some values of the components values should be changed as it seems too overdriven by the guitar volume. its an easy build, i prefer the colorsound version out of the two as its less harsh and much smoother" Simone - 05 March 2020
Needs some tweaking. 3 product stars
"Ultimately, I've got a great sounding fuzz pedal. However, I had spend an extra hour or so tweaking. I chose the Fuzzblood build, and while the pedal sounded great, the volume was just barely at unity gain, which rendered it useless for my purposes. After checking the BOM and schematic and touching up my soldering, I couldn't get any more volume. So I ripped out the R3 resistor hoping that by changing it, I would be able to increase the volume. After installing a socket in R3 and swapping resistors (from what I had lying around) I settled on a 2.2k resistor which did increase the volume. I should note that the different resistors I tried did change the tone. If I had more expertise in electronics, I could probably explain why and how. This is the first FuzzDog build I've had where I had to go in afterwards and swap components. That said, the pedal is pretty sweet." awkbinoc - 31 January 2020
Great beginner pedal 5 product stars
"This was my first build. Spent quite some time reading the instructions, double checking resistor values with a multimeter. It worked first time with no issues. Very well designed and tidy boards. I went for the colorsound and it sounds great." PWC - 25 January 2020
Perfect first build! 5 product stars
"My first build and I'm really happy with how this came out! I went with the Thug version and it sounds great, fit it into the smaller enclosure too so it takes up no space on my pedalboard! Instructions were clear and Fuzzdog was really helpful with a quick reply when I made a mistake. Highly recommended and I can't wait to build another" Joel - 17 March 2019
First Build (in which a noob gains basic skills) 5 product stars
"I picked this for my first build. For anyone else doing the same let me tell you silly mistakes! With the standard daughterboard for the footswitch, the switch goes on the reverse of the PCB as does the LED. If you're a noob like me, make sure you have desoldering braid on hand! You cant solder one handed. You need a third hand/solder station type thing. Sure, transistors are sensitive to heat. But if you're trying to de-solder some funky joint you just botched, its super easy to melt plastic wire shielding and indeed other plastic things like the power terminal! Do a little bit at a time because your ability to problem solve and solder sucks after a couple of hours. Choose the bigger enclosure for your first build, I went for the little one which was fiddly to do straight off the bat. Check your solder joints the next day, if they look bad they probably are. A multimeter helped, I found reading 5 band resistor codes confusing RE orientation. Wrote down both possibilities, confirmed with MM. Despite all these learning points, I now have a working an gnarly fuzz. The character varies as the knob goes up. It's gonna be good for cutting leads. The kit actually missed some hook-up wire for the jacks and power but I had my own, no biggie. I ordered a couple more kits and they all look correct - really looking forward to building them." Thomas - 12 November 2018
Colorsound OKF & FuzzBlood 5 product stars
"Really nice and dirty fuzzes. The Coloursound is a bit more classic sounding. The Bloodfuzz is simply brutal and rude. Fully cranked it can almost sound like a square wave. Rolling down your guitar volume works really well to get a more old-school fuzz sound (when your guitar has two volume knobs you can go form slightly fuzzy to full on fuzz by just flipping the pickup selector switch). The customer support is really great. Any question I had was answered within a few hours." Bas Hermus - 14 September 2018
Ceremony and Colorsound 5 product stars
"Another good addition to anyones collection. I have tried a couple of these, Ceremony is very heavy and works well with detuned guitars but is not a delicate fuzz by any means. The Coloursound one got very muddy on the 6th string but lowering the value of C4 brought back the definition and lowered the gain a bit. A very usable classic sound." MrG - 30 August 2018
An absolute monster 5 product stars
"Best fuzz I've ever heard. Thick, weighty and dirty as hell. I've built a few kits from fuzzdog and the quality and customer service have always been great. If you like fuzz, but find the muff too scooped and the fuzzface too tinny, buy this. Fairly easy to fit into a 1590a enclosure too, totally recommended" crm - 23 July 2015
Wicked fuzz, great build 5 product stars
"My first build, easy to do. I am sort of a well informed novice. Gooched the power a couple of times but my trusty multimeter showed me the path of righteousness. Nice fuzz sound, heavy distorted, frying egg sputter, love it." ThickShag - 28 January 2014

Don't forget to download the 
General Build Guide

 

PRE-BUILT KITS:
We're only building for UK customers right now. Please don't order from elsewhere as we'll simply have to refund you.  

PLEASE NOTE:
Full kits DO NOT include enclosures unless you select them in the 'Kit Type' drop-down menu.