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JOYO JF-12 Voodoo Octave Fuzz Effect Guitar Effect Pedal True Bypass

JOYO JF-12 Voodoo Octave Fuzz Effect Guitar Effect Pedal True Bypass

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Features:
Take your tone an octave up and add some fuzz too!
A mid-cut switch gives you control over your tone.
Watch what happens when you put some fuzz on your chops, and then take it up an octave.
True bypass design minimizes tone loss. 
Aluminum alloy casing with stoving varnish finish.

Specifications:
Model: JF-12
Color: Green
Material: Aluminum alloy
Input impedance: 500Kω
Output impedance: 10Kω
Running current: 4ma
Power: 6F22 9V battery / DC 9V adapter (Neither included)
Item size: 12 * 9.6 * 5.7cm / 4.7 * 3.8 * 2.3in
Item weight: 400g / 14.0oz
Package size: 13 * 10.4 * 6.2cm / 5.1 * 4.1 * 2.4in
Package weight: 435g / 15.3oz

Package List:  
1 * Effect Pedal
1 * User Manual (English & Chinese)
Customer Reviews

Average Rating:

4

based on 412 Customer Reviews

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  • By John Kasinecz

    January 30, 2018

    When opening the box I pulled the pedal out it well exceeded the quality I expected from a 35 dollar pedal. The knobs turn well, the casing is heavy, It just felt good. The switch is definitely cheap. you can hear an audible click when it turns on but replacing the switch isn't a huge deal and since it's just a lighter overdrive, you likely aren't going to be turning it on and off. Now, The plugged in details... The Overdrive is very expressive. as you turn the volume up, it gets louder but doesn't really change the sound. The drive knob has plenty of functionality. It sort of caps out the grit around 12 o'clock but the rest of the pot really shapes the tone. I kept mine pretty low and really dug the tones. The tone Knob has a wide spectrum but the treble end of it is pretty unusable and the bass and is not very bassy. I set it pretty low and it was a very clear and defined tone. You're not going to get any bass-ey tones out of it but it definitely thickens up your sound... As for the treble, you can crank it all the way over and it's going to sound like a chicken' picken' players dream, but to the rest of us it's going to sound very harsh. I run a Walrus audio mayflower on my main board and I AB'd them together. You're obviously going to see a noticeable difference in quality between the two in an isolated environment but I think most of the differences would be lost when you got it up to gig volumes. Overall, Great pedal, Can't believe how much value you get for the price.

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  • By Feydakin

    January 20, 2018

    Great pedal and was veryyyy pleasantly surprised. I also tried a high end $200 AC30 pedal and for what I was looking for - clean sparkly AC30 spank a la beatles and Edge and Petty sounds it is great. It can get a bit muddy at the very high end gain settings but most of the time with this pedal (and any distortion really) I am somewhere between 9-1 o clock on settings and its very much in the sweet spot there. I also like it as a slight boost/pre into my amp or other overdrives too. Kudos and phenomenal value at this price. Even if it only does half the gain range as the expensive boutique guys this is a must buy from a pricing standpoint. I will be looking at more joyo gear ....

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  • By Film and music buff

    January 16, 2018

    The reason this is only getting 4 stars and not 5 is due to an issue I only discovered yesterday - yes - almost one year after I purchased it. plugged it in and played with it. Loved it. Around 12 o'clock position just worked for me. Yes - that early EVH sound is there but playing around also gets you Gilmour and Hendrix as well. Sounds great with distortion, or without. But a word about distortion - I place it in front of my amp and after distortion pedals. If I place it before distortion it is more subtle and when placed in front of amp, and with the amps overdrive channel on, it is very subtle. I point this out because of some reviews and comments about this being far too subtle of a pedal and it really isn't - and if you open it up there is a small "sweep" knob you can access and adjust - people have reported finding it set too low. I would suspect opening it would void your warranty - but it is an super easy tweak if you think your pedal is not working correctly. Now onto the issue I found - in trying to reduce overall noise I discovered, by process of elimination, the pedal causing a lot of buzz is the JF-06. So I removed it from my chain and put in the battery - and guess what? Does not work. When the battery is in and pedal off the signal passes through but when I kick on the pedal it outputs buzz and nothing else. Hard to think I never used this with a battery before yesterday. So I suspect this buzz is some sort of miswired/faulty connection having to do with the internal 9 volt battery clip. I did do a look over inside, looking for anything obvious such as loose solder. Nothing jumped out at me. So for now living with it, but because I love this so much I will get another - although technically this is still under the one year warranty I really do not want to pack it up and send off to China for a replacement. But if any of the official US JOYO distributors reading this would send me out a new one that would work too.

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  • By Scafeets

    January 14, 2018

    I have an OCD in my large pedalboard that I use for gigs. It's next in line after the switcher, wireless, volume pedal and tuner, and goes before nine other pedals. In that setup, I primarly use it as a clean boost, sometimes dialing up a little attitude. I purchased the Joyo for half the price of a second OCD because I heard it was a clone and I needed one for my small rig that goes to jams and rehearsals. It is a clone, and in side by side comparisons, it's hard to tell the difference. I would say the OCD is smoother and does a better job as a clean boost, while the Joyo gets into the dirt a little quicker and is more agressive. Both are great for running into a second overdrive pedal. On the gig board, that's OCD to Soul Food. On my little jamming and pracitce board, it's Joyo to a Bad Monkey (another great low-cost pedal). So, while the OCD provides a better, more neutral clean boost and gentle overdrive, the Joyo is great choice to save money. And if I were to take one pedal to a blues jam, I'd probably take the Joyo, because I like it's distortion personality a little more than the OCD.

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  • By Aaron Ashley

    January 9, 2018

    I have played guitar for 20+ years. Used to play live weekly, but currently 10-12 times a year. Until recently I used a Live 6 POD HD 300 for club gigs for ease of switching between tones and plugging directly into a PA , but recently it developed a problem and I've decided to go another direction. I've decided to go back to floor stomps, but I don't want to break the bank on boutique pedals that are going to get some abuse on a stage. I have quite a few random pedals, but needed a phaser. The amp used is a Bogner Alchemist with a variety of guitars. I grabbed this because of the price point and the positive experience with another Joyo pedal, the Ultimate Drive. Is it an MXR Phase 90? No, but it isn't bad either. It's a fairly subtle phase and you can turn the knob quite a bit without a massive change in tone or sound. If you are looking for a phaser that dramatically changes your tone this may not be the one, but I'm actually quite pleased with it since I like my effects to be fairly plug and play and a subtler phase was what I was looking for. It does get close to the early EVH brown sound phase, but isn't quite as thick. Works well with other pedals, but not the quietest pedal when engaged which is to be expected with a phaser. Doesn't seem to overly suck tone or volume when bypassed as part of a chain. I can't speak to the durability yet since I have only had it for a week. The other Joyo product I have has worked fine for three months. The battery leads seem flimsy and I don't think any Joyo pedals would survive long term abuse and serious neglect, but I think this one would be just fine for causal live playing and bedroom use. The one I received didn't have the horse graphic, but is orange. Overall my two experiences with Joyo pedals have so far been positive. You might not impress tone purists with any Joyo pedals but value seeking guitarists will appreciate them and 99% of people listening to you won't notice any difference. If I needed a chorus or delay I would consider other Joyo pedals, but right now this pedal finishes my board.

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  • By M. Sever

    December 22, 2017

    Truly great tones if you are going for that Marshall sound. You can use this with an amp, but it is most useful as an amplifier emulator going direct. I was at a music store and A/B'd this against 5 other pedals (each that were over $80 used), and the only one I liked better was the Box of Rock that I ended up picking up. But then I got home and the Box of Rock did not sound as good with my Tele as this one did so now I am regretting getting rid of this. The only problem is that it is NOISY when you crank up the gain (the BOR is definitely quieter). Lots of hiss. So I could only turn the gain up about halfway (with the voice control at about 3:00) to make the noise tolerable but I was still able to get some really good crunchy sounds out of it at that level. And if you want light grit this does that very well too. Took a little tweaking with the Voice control to get it where I wanted it, but was really happy with the result once I got it there. So for the price I don't think you can do much better. I cannot confirm how much of a tone sucker this is as I had two Joyos and had either one of them on all the time so I wouldn't really know the impact on my clean signal.

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  • By Gross Grove

    December 15, 2017

    I really like this pedal. I'd say a good starting point for a nice overdrive sound is everything set to 12 oclock. The voice knob is quite useful--turn it up a bit for leads or for a more mid-rangey sound. I dial it back for rhythm playing. Personal preference. With my single coil pickups the box is noisy enough that I've considered betting a noise gate. Noise isn't that noticable when I'm playing. I use this with a Blackstar amp that has a crappy distortion channel. I set it to the clean channel and let the ACtone determine the overall tone. I have found that it sounds similar to the Vox settings on my Fender Mustang II, which is a little too small for gigging. Points off for noise, but excellent sound, especially if you prefer grit over fuzz.

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  • By StratPlr

    December 12, 2017

    Seriously these JOYO pedals are for real. This is a clone of a TS9 Tubescreamer and my ears can't tell the difference. The unit is well made and switch seems very solid. The best part is the sound. I've been playing my whole life and have a pretty good ear. Some people claim to be able to tell the difference between this pedal and the real thing... not me. And if it's that close, it's all good as far as I'm concerned. Awesome classic overdrive. The only thing keeping me from 5 stars is that I wish this were made in America for that price. Come on 'merica. Props Joyo. Well done on this pedal.

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  • By fotoguy

    May 6, 2017

    Good: Plenty of gain on hand. Lots of sustain! This thing can get really loud. It gives your inexpensive tube amp that Marshall crunch. Built well, it's casing is made out of metal, not plastic. Inexpensive but performs and sounds just as well as boutique boxes costing 3 times as much. If you're looking for your first cheap distortion pedal, forget the Boss DS-1 and get this one! Well worth the money. Bad: Adds a little noise & hiss specially to single coils (strats & teles). You might need to use a noise gate to tame the noise. Quieter with humbuckers but hums when I use it with my Xotic EP Booster which I always keep on. It doesn't happen when I boost my overdrives (OCD & Hardwire CM-2). If you move farther away from your amp, the hum disappears but you can still hear some noise. I guess this is typical for distortion boxes. No need to boost it though, it already has that thick & big sound to start with. It didn't come with a 9V battery as shipped, not a big deal 'cause I use a power adapter anyway.

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  • By Just_Keith

    April 13, 2017

    Pretty cool knock-off of the Schaller trem or Diaz Tremodillo. This is my 2nd or 3rd Joyo pedal, and my favorite thus far. I don't care for the cheap jacks, but you get what you pay for, and I can always replace them if they break (I work on pedals all the time). I've got a scratchbuilt improved EA Trem (with two footswitchable speeds) and a cheap little Danelectro Tuna Melt. Other than the crummy bypass and plastic construction, the Tuna Melt is my favorite since it has the hard/soft switch. The improved EA has a great preamp for guaranteed unity gain (or more), and the footswitchable speeds that I added gives it extra flexibility. But I think the Joyo trumps it by just a little bit in that the core trem sound is a nice blend of the Tuna Melt's hard and soft settings. So part of this is really a subjective take on this flavor of trem, but suffice it to say if you've tried a few, this one will probably satisfy you at least a bit. No unity gain issues, and the speed and depth have a good sweep throughout their ranges. And it's just a niggle, but how hard would it be to get the word "tremolo" silkscreened so that it's centered on the box? At least there's no skull and flames like on the High Gain Distortion.

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  • By Deathgrowl

    February 13, 2017

    I like this pedal enough to keep around. I don't really need a distortion right now since I have a two-channel amp (Egnater Rebel 30), but this sounds nice. It's similar sound to my amp's distortion but with a bit different EQ, which is a good thing as I like tube distortion not gainy grit. I try to run my power tubes hot (generally the EL84s on the Rebel) and just put a bit more breakup on top (if I want something different I throw on the fuzz). I never push the gain past noon as it gets plenty distorted by that point, and I prefer a little less gain nowadays (my death-metaller former self would never believe I'm saying this). When you do go higher than noon, it does get hissy. Below that it's adding noise of a different character than my amps gain channel, but no more or worse noise. Seems well made, but the hiss could be rather annoying for someone looking for high gain sounds. If I want high-gain sounds I'll break out the Mesa.

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  • By OldSchoolClassic

    August 17, 2016

    I bought the Joyo Ultimate OD mainly because it was cheap and I wanted something to stack with my Bad Monkey, which would have a little more drive. Very pleased. Now for a deeper look. I keep the mini toggle on LOW as it compresses the signal and creates a bluesy tone. The HIGH position is looser and louder-not bad at all, just not my style. Most folks will probably prefer HIGH over LOW. Build quality is as good as anything else. Not sure what's under the hood, but the pots and switches are good quality as are the jacks and 9V connection. The pots all have easily discoverable sweet spots. I had it dialed in to my preferences in minutes. It IS gain-y. With the drive at 10 o'clock it provides what I'm looking for. Higher gain settings are nice, too. I use the Bad Monkey to push the U OD, setting the Monkey's gain very low and the level up to push the volume and clarity of the U OD for solo work. Great results with Fender tube amps, a red stripe Peavey Bandit and an assortment of tube and SS modelers. If you are looking for that "in between drive" tone straddling OD and Distortion...this will make you happy. Plays well with stacked pedals and is tube and SS amp friendly. Downside....? That hideous devil face graphic. It's embarrassing! Woulda got a 5 without the devil face...LOL.

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  • By Ryan Rister

    August 8, 2016

    Love this pedal! FYI- there is a ton of volume on tap, so start out low. Read all the other reviews for tone. I just want to tell you about the inside's of this pedal. Great build quality on the PCB. Two red 5mm led's for clipping. true bypass switch is just fine. Jacks are pcb mounted, but they are pretty solid. 9V jack is about the same as Boss pedals...just fine. Now for the bad......the ribbon connector going from the pcb to the true bypass switch is HORRIBLE. I recommend replacing this asap. The ribbon connector's wires are super thin and break VERY easily. I removed it and soldered six 22awg wires in place of it. Much stronger, and I swear it sounds better. This soldering job is not for the novice...you need a very fine tip on your soldering iron and quick soldering skills. These Joyo PCB's are good...but not so good that you can really heat them up....the pads will lift. I used a 40w soldering iron and was quick with my connections. I am attaching a pic of the PCB for all you DIY geeks out there. Notice the broken ribbon connector at the bottom of the pic! Other than the ribbon connector, I love this pedal! Well worth the money....been using it live for a year now. Cuts through the mix nicely. Also has a presence control trimpot on the solder side of the PCB to tweak the mid's to your liking, if need be.

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  • By M. Hall

    July 19, 2016

    Honestly, I just bought this a throw-in to bump an order up to get some small items shipped, but for the price, I was surprised... I had heard that the Joyo stuff was great value, but I didn't think I'd be as in love with this little thing as I am! As you can tell from the name and the colors, this is essentially a budget clone of the venerable Ibanez Tube Screamer (it even uses the same chip as the orginal.) It's got three controls like the original (Drive, Volume, and Tone.) The bright yellow knobs are easy to see, even in a darkened room. It claims true bypass on the pedal... now I've heard varying accounts as to if the Joyo Pedals actually are true bypass (some things I've read say they use Millenium Bypass, and I haven't cracked this open and ogled the board) but what I can say is that this pedal seems pretty transparent when it's off. It can be powered by 9V batteries or a 9V DC center negative adapter. It seems very solidly built, despite being stupid cheap. As for tone: it's classic moderate-gain Tube Screamer stuff, with the mid-hump that the originals were known for. Sounds great to give a clean amp a little bit of dirt (using a strat with the neck pickup on a clean tube amp gives a very nice SRV-type tone) or for driving an already crunchy amp further. Even with the tone knob dimed, it's fairly mellow in sound, not shrill or grating at all. It's not an incredibly versatile pedal -if you're looking for super-hi gain or Big Muff type tones, this won't be your bag- but what it does it does well. There is a slight bit of noise, but nothing out of line for a gain-based effect. I've heard much worse. You can't go too wrong with this pedal for the price, really.

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  • By Namerof

    July 1, 2016

    I bought this pedal for fourteen smackers and that included prime two day shipping on a special that amazon had. I sanded it and took off the demon picture and repainted it. I still don't understand the devil thing and hard rock music. What makes people want things that represent evil? Anyway, it is a decent pedal. It is very much a distortion pedal not an overdrive. Even at the lowest setting it is mildly distorted. There is NO clean sound from this pedal. It can't be used as a clean boost. At about 8 o'clock on the gain knob you will notice a fairly quick jump from "not much" to "noticeable" distortion. It is not real gradual as you might think. The tone knob can give you shrill treble when dimed out and at about 12 oclock it becomes very muddy. It can cause some serious feedback when turned up, and that can be fun.....or not. Next to my Klon it sounds very compressed and therefore can get lost in the mix. Having said all that, it's not bad for the money. I would not have it on my board as a standard, but for the occasional Hendrix song it can scream.

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  • By Patrick A. Foster

    June 27, 2016

    I bought this Compressor on a budget, hoping to give a better dynamic 'feel' to my playing. I was 'hoping' for a nearly endless sustain effect, as i had gotten with compressors in the past. The first setting i tried was with the level control about half, the attack control low, and the sustain nearly all the way up. It did NOT produce the 'tube-like' compression i was 'expecting.' i played around with several scales and chord shapes and i could definitely 'feel' something was different. it didn't seem to, at first, noticeably do MUCH though, until i switched it off and compared it to the 'clean' sound. as soon as the pedal was turned off the sound was very thin, as if muffled somehow. i checked all my cables, amp settings, (turned the master up a bit) and everything was fine. Playing with the clean sound a few moments made me realize just how thin my old telecaster's tone really is, and how much this compressor 'fattens' every note played, a much more 'THERE' dynamic feel, (How else to describe a guitar effect xD) it does add SOME sustain, though it wasn't the endless sustain i expected.

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  • By Charlie

    May 19, 2016

    Great clone of a much more expensive Crunch Box pedal. True bypass. Knobs and switch are sturdy. Great for amps that have only a master volume and no gain knob because you can dial in the dirt at bedroom levels. This is a Marshall type distortion (more mids, less scooped). No Brutalzzz - there are better pedals to cop the scooped 5150 or triple rectofier kachunky palm muting downtuned type thing, but you can get close with the right amp EQ and this thing dimed. I agree with another reviewer- this thing has a very high output- so be forewarned the first time you plug in. Unity is around 8 o'clock on the level knob. It gets thumbs up for the sound/price ratio. If you don't mind a longer shipping time, these pedals can be found more cheaply by searching the web. This was my fourth Joyo pedal and I believe Joyo and the Dano Cool Cat line are some of the better deals going these days in terms of price/quality.

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  • By Bob P.

    May 5, 2016

    When I first fired this pedal up and started turning the knobs I hated it. Then I found the presence pot inside and also started using some unconventional settings. Most distortion pedals I own sound best with their volume knobs past 2 'clock, tone around noon and distortion 3' oclock. Not this one folks. At least not for me. The magic really happened for me when I dialed the presence pot back a little bit, turned the tone knob all the way up, volume around 9'oclock and gain way down around 7'oclock and MAGIC!! Excellent AC/DC type rhythm sounds (but it does have it's own thing too kind of) and outstanding lead tones when engaging the gain channel on my amp. Bump the volume on the pedal up a little if you want a volume boost for leads but make sure to compensate with the clean channel amp volume. I paid under 30 dollars for this pedal brand new and it's better than some of my pedals costing double or more. My only gripe with it is the audible "pop" it makes when engaging it but I am keeping my rating at 4 stars because it's going to be an "always on" pedal for me. So if you buy this pedal be sure to take the back cover off and adjust the presence pot to your liking. Me I liked it dialed back some, you may like it turned up some. As I said at first I thought this pedal sucked until I started to dial it in with some unusual settings. now it's going to be a mainstay on my board and will be my main rhythm crunch. I'm even going to buy another one as a backup. Great job on this one Joyo!!

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  • By Ed

    April 9, 2016

    I wanted to experiment with one of these, read lots of reviews and settled on this one mostly due to price, and the fact that I've had good luck so far with Joyo pedals. If I was going to use this effect a lot, I might have gone with a more expensive pedal, but right now, I'm glad I didn't. The octave effect is strong if used properly; I am setting (Fuzz) it at 8 o'clock, using the neck pickup, and accepting the fact that any of these only have a strong effect on certain parts of the neck (around the 10th to 15th fret, listen to Blue on Black; he's playing it there). The fuzz is a little too over the top for my tastes, but I think all of this type effect has something similar. I wish you could turn on the octave with a little less (or no) fuzz; the fuzz button has to be on for the octave to work (I think they all work that way though). That's why I'm giving it a 4, along with the fact that it is a big pedal. Construction seems fine, bypass seems to work. Overall, a good buy for the money, fun to goof around with, and something I will probably use twice in a night.

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  • By Scottro

    February 29, 2016

    This is as much a reply to the guy who wants to hear from people who have had this for more than a week as it is a review for prospective buyers. I've used it for 8 months with no issues at all. It sounds great, it works perfectly and it was $40. As for quality control, I have several Joyo pedals, and I can say they all work perfectly and sound awesome. I've never used a Phase 90, so the "clone" factor was a moot point when I purchased the Joyo Vintage Phaser. It works, it's simple to use and I had money left over to buy more gear. I've been playing for 29 years and I highly recommend Joyo pedals. If you don't like it, get a refund. It's not rocket surgery.

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