Marshall JH-1 Jackhammer

Bueno, los potenciometros y todo eso son faciles de usar pero no me molan nada, por que tienes que tener cuidao con los dedos y eso, lo compre sin manual osea que tampoco puedo ser tan critico con esto, pero todavia no se para que sirve la FRECUENCIA, la verdad no es muy dificil de usar, pero para encontrarle un buen sonido tardas un ratillo ademas depende bastante de la guitarra y sobre todo del ampli

Uso una hamer chaparral con el pedal, es MUY MUY MUY RUIDOSO, pero si te gusta el heavy probablemente le saques buen partido...A mi personalmente no me gusta mucho, prefiero una buena distorsion de ampli, pero para el precio que tiene esta bastante bien tener un pedal asi sobre todo para tocar en casa

En un concierto grande es mas recomendable usar una buena distorsion de ampli apoyada con un overdrive mas suave como un TS o un boss,

Que decir de Marshall??

Esta muy bien para usar en casa y meter algo de ca?a pero suena bastante digital, si estas empezando y piyas uno barato, vete a por el, no creo que por el poco precio que lo venden ahora encuentres nada mejor, pero en cuanto sepas tocar un poco, dejalo de lado y vete a por un buen ampli, SUERTE

Pretty basic pedal; overdrive and distortion settings with 6 knobs to adjust the sound. It's pretty easy to find a good solid drive/distort from it if you play around a bit.

If not set up right, this pedal will sound like ass, but that goes for anything really. Some versatile drives can be attained though. I use if for rock, indie-alternative stuff mostly, from a thick crunch to a light fuzz and it does the trick.
I run a Yamaha BBN5 (bass) through this pedal into a Yorkville 200B mostly. I also run a Godin Exit 22 (guitar) through it into a 1972 Fender Twin Reverb. For the bass, it's perfect. For the guitar, I like it, but I would prefer something like an Ibanez Tube King.

I've been using this pedal, whether my own or borrowed from friends, live without backups for a year or so now. I've never had issues with any of them.

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I love this pedal. For my bass applications, it is exactly what I want, however it's not quite the drive I'm looking for for my guitar sound. I'd definately buy another if I were to lose it. It gives me a versatility in drive tones that I want/"need" and nothing else. I'd recommend this pedal to anyone.

No probs. Just four knobs and a switch.

Better than anything I've heard. I run it throught the effects loop on my Boss GT-3. I never liked the distortions in it, so I used the Jackhammer instead. I use a Yamaha SA2200 Semi-Hollow body electric and a Yamaha pacifica 112 into a Peavey classic 30. this pedal lets me get everything from a "strummable" overdrive to a very heavy "powerchord" overdrive. I prefer the overdrive to the distortion because I like the guitar to have clarity under high gain. The distortion tends to kill all the richness and harmonics but the overdrive lets you keep them...and it sounds heavier in my opinion. You can get everything from Jeff Buckley rhythm playing sounds to Rage against the machine riff-age.

Can't go past it. Like I said, I actualy bought two so that I could have one set for light and one for heavy gain.

Easy to use once you play with it some. It has four knobs that control most everything you could think of. Volume, treble, OD, Distortion. You have to play with it but its not to hard to get what your looking for eventually.

Sound is really mold-able (is that a word)? two settings one for OD the other Distortion. You can get most any sound out of this thing. I have played through my pedal board (total marshall effects) into a Peavey Classic 30 and my Marshall JCM2000 DSL 401. Both sounded great. I could almost squeeze the marshally jangly kind of OD out of the Peavey with it. This wont turn your amp into a Marshall but it will add a new depth to your sound.

Seems to be tough as nails but I havent had the Jackhammer long enough to say for sure. All metal built down to the knobs though.

Havent had to deal with them so I will sit right on the fence with this one.

Goes great with Rock, classic type zepplin to newer Creed stuff in my opinion. I have been playing for 25 years and own a full Marshall pedal board and play mainly through my Marshall JCM2000 DSL401. I like the fact that the jackhammer is not a plug and play type pedal with one volume and one gain knob. This it probably the most tweekable OD pedal I have ever used. If it was stolen I would kick the crap out of them and take it back...or...sigh...buy another one.

It is pretty easy to use, and has lots of controls due to the double-concentric knobs. However the Contour and Frequency controls, though they are the key to getting a good sound (I will go into this later), if not used properly can really f*ck up your sound. For a while I didnt understand what they did. Then I worked it out, and loved it. But if you dont understand, just keep the Contour control on 0 until you work it out, and they will be bypassed. What they do is scoop certain frequencies, Freq. determines which frequency range and Cont. determines the ammount of scoop. These controls are key to getting a good sound, especially with the Distortion setting.

Im using this with a Westfield ES335 copy and a Fender amp. It wont touch your sound if when in bypass, dont worry about that. You can get some noisy feedback and buzz, but just keep the gain low and it shouldnt bother you. You can get good quality drive tones without pumping up by buzz.
It has two modes - Overdrive and Distortion.
The overdrive setting is pretty straightforward, and sounds great! You can get anything from bluesy drive to all-out roar with this. Just adjust the gain and tone controls appropriately. Very versatile, and very nice-sounding.
Distortion is truly awesome... but a little tricky. I see alot of people have commented it is too bassy for them. I have found the key is the Contour control. Just use it to scoop the bass-mid freqencies. Until I worked this out, the distortion did seem far too bassy for me. But with the right scoop... it is transormed and sounds brilliant!
I have found an excellent setting for that Guns N' Roses metal sound.... have your amp slightly overdriven and rather trebelly. Then on the jackhammer, set it on distortion with the gain at about 10 or 11 o clock. Set the Freq. to about 10 or 11, this scoops the low-mids. Set the Cont. to about 2 or 3 o clock. Have treble and bass at 12. Try this out, then adjust the treble and bass so it sounds even. Truly gorgeous! Then just try playing some classic Guns N Roses tracks such as Welcome To The Jungle.
Im using it with a good quality Fender 30watt amp and it sounds great. I used to have an awful little 10watt amp which sounded painfully bad... but this pedal really transformed my drive sound. So the jackhammer will make the tinniest and worst amp in the world sound good.
Both settings are good: as I said, distortion takes some tweaking but you can get some amazing sounds to it.

I have never gigged with it, but it seems pretty reliable to me. It is of solid metal construction so looks pretty durable.

Never dealt with them.

I play all sorts of rock, and this pedal can be used to find any sound with the overdrive and distortion settings. I use it in conjunction with a BOSS ED-1 compressor.
If it was stolen or lost, I would definately get hold of another.
When I look at other pedals such as the BOSS DS-1, they only have three controls, volume drive and tone. Thats pretty much just 1 sound. I couldnt survive with a pedal like that.
It is a great help to my guitar palying.
It looks looks so good too!

An excellent pedal, I reccomend it to anyone looking for a good distortion/overdrive pedal.

over and under knobs are a little touchy,easy to move one,while trying to move the one under it,but you get used to it,overdrive/distortion,nice--I use the over drive channel all the time,distortion side seems weak and to bassy

I run this in my effects loop as a overdrive for my amps distortion channel,which is a marshall g50cd,with a homemade ev equiped ext cab,(yea I know small,but I record and play for hobby),in front of a guitar exiter,and after a danecho.with a johnson over drive before it,(I never use the 2 drives together) with a dunlop wha.after purchase I was not to hiped on it ,but after
a time of tuning it it,the tones came out,and this is one of the best pedals Iv owned,my main guitar is a jackson soloist,give this pedal some tuning time--it will pay you back---great overdrive pedal

heavy metal build--Its marshall-no need to dought its quality-

gigs?--no need to worry

dont know,have no problems

I play megadeath,preist,maiden,dio,metallica,slash,ext--this pedal is great for these,If you take time to coax the sound forth!!helps if your amp has a good sounding distortion channel. unlike the crappy line 6 uber metal--which sucks,this pedal does not have a transister thin sound!!tube amp sounds are there if you search for them--give it time,Im picky on this,most distortion /overdrives sound like a weedwacker on race fuel--shrill,and unpowerful,this jackhammer gives punch,bass,chunck and drive,sweet drive--if you think line six got it down,think again--this marshall hammers,early preist dreamer/deciever lead tone a breeze with this--like slashes tone?--its in this pedal,of course a 10 watt crate aint gonna do this thing justice,or a cheap squire ,even helps sustain some--good pedal for the price,unlike the line 6 cheese toneless crap uber metal!!

With a small amount of tweaking i got a pretty good sound which I was happy with, but then after 20 min of trying out all the options it got much better. The manual is useful up to a point, the dial settings it suggests didn't really work for me. I wouldn't say it could be made any easier for the amount of variables on it (7).

I play a fender jag-stang through a carlsbro cobra which I have found in the past to take the bite of my overdrive setting, but using the controls on the jackhammer to their full potential I have managed to get a very fierce sound.
It is the contour control that I use to stop the excessive bassiness that is present on first listen, rather than the treble and bass knobs: With the freq set to about 10 o'clock and the contour to 3 o'clock the booming sound is scooped out, but without making the overall signal high and scratchy.
I personally much prefer the O/D to the dist, as in my band (c.f, idlewild, smashing pumpkins, mogwai, sonic youth) i mainly thump out big chords and i don't want all the notes to blend together, but for piercing solos the dist would obviously be more appropriate. Shame that you can't just swap between the two and have a good sound immediately without readjusting the other controls. Other than that I couldn't be happier.

I only recently bought it, but it seems very sturdy, and the knobs turn very smoothly indeed, doesn't look like its about to fall apart. I will use it for gigs with no backup.

For the alt rock style which I play the sound is perfect, the notes maintain clarity while the noise is gritty and fierce, you can let chords ring out or keep stabbing at the strings and both will sound cool. My last overdrive was a rocktek one which doesn't compare at all; too dull in sound and not enough scope for getting it exactly how you want.
It will definitely have a place in my line up between acoustic sim and delay unit, also I shall be boosting it for those extra noisy bits with an eq pedal, working the top and bottom frequencies.
Shame the jacks are so high on the sides, to use those little metal connector jacks I have raise the eq pedal off the board a bit.

So so... It'd be hard for a beginner to use just because you have to adjust about EVERYTHING on the panel to get a different sound than the one you had before. But for a veteran, piece of cake.

I'm using a stock Epiphone Les Paul into a shitty little Fender Frontman 15G. When you use it as a clean boost, which is what this thing should be used for, it works like a dream. Creamy mellow tube-emulated tone. I'm still a novice guitar PLAYER, but I know tone. I spend my spare time at Sam Ash checking out new gear.

This isn't for really heavy metal, i.e. Megadeth, early Metallica, Pantera, etc. It's rather a great NWOBHM (New Wave of British Heavy Metal) sounding pedal. Judas Priest, Iron Maiden, etc. can easily be dialed out of this pedal.

It also fits the bill for hard rock, i.e. AC/DC, Led Zeppelin, Blue Oyster Cult, etc.

Built like a tank, sturdy... you know.

Haven't had to deal with em.

Great rock/NWOBHM tone, but im docking points for not living up to what it's said to do. Also a great tube emulater for solid state gear.

I find the JH-1 very simple to use. After having read a bunch of reviews written by guys(or girls) who found it difficult to adjust the sweep knob(mid etc), I wonder if they ever seen a guitar.???
Hello?? It's 2005, The Big Muff is not, but the JH-1 is hot.

I've tried them all..., Boss DS-1, BOSS MT-2, Boss OD-2 etc etc etc...
I spend a whole day at Andreasson Musik in Gothenburg to figure out which pedal giving the best sound. The Jackhammer is by far the best pedal on the market, the lead-guitar market. It delivers a fantastic sound, totally incredible. I have paid 750 SEK(swedish crowns) to get the same sound as VAI, Lukather, and Petrucci.

As we say in Sweden the Jackhammer is "Stabil". The only downbrack on the pedal is the main button. You can't push it to hard cause it's not like Boss pedals. THE ONLY DAWNBRACK!!! Follow my suggestion and buy a reserve.

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My band plays a little bit af slick, a little bit of new American Rock and a little bit of english pop. This pedal fits perfect to our style. I use it with my Marshall TSL-100 top and my Marshall cabinets.
I get "the sound of my dreams" if I use the Jackhammer on the clean channel. I use a Boss DD-3 and a Boss RV-3 in the loop. Magic!!
The pedal is perfect, the only thing I wish it had is a better button.

Very easy to use. Amazing flexibility due to a great coverage EQ section.

Well, this is a Marshall project my friends!! My main ovedrive sound came from this awesome thing called JMP-1 Tube Pre-Amp (I fully recomend this fantastic gear!!, for clean, overdrive or even for violent distortion sound, JMP-1 is the best!!). Sometimes I cannot use my JMP-1 due to on stage set up for festival, as an example. I bought JH-1 to fullfil my needs at JMP-1 replacement... results? I found the best ones!! Pure Marshall Overdrive (JCM800 like) and Distortion (JCM2000 or JMP-1 like) sounds. SIMPLY AMAZING!!! This unit can emulate my JMP-1 sounds very close!! AWESOME!!!

Built like a tank!!

No need...

Simply perfect!!! The best Overdrive and Distortion unit comparing to SansAmp GT-2, Boss Mega-Distortion, MXR Double Shot, Boss Metal Zone. I spent a whole day at the shop testing and comparing. JH-1 won easy!!!