Item # 152009 | Customer Ratings: ( 4 Based on 5 reviews)

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Blackstar HT Series HT-DISTX Tube High Gain Distortion Guitar Effects Pedal
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A no compromise, ultra high gain, filth machine.

The HT-DISTX tone has been benchmarked against the best high-gain tube amps in the world and will transform your mild mannered classic into a fire breathing monster. The patent-applied-for ISF control takes you from 'Classic British' to 'Modern American' and anywhere in between and the no compromise speaker emulated output lets you get it all down to tape or disk.

The HT Range of tube overdrive pedals features true high voltage (300V) circuitry and are packed with innovations and tone. The revolutionary, patent-applied-for tone-shaping ISF (Infinite Shape Feature) will redefine the tonal expectations of guitarists.

Add to this the no compromise speaker emulated output and you have the most cost effective way of getting real tube tones direct to disk or tape.

So whether you're playing live or recording, with the HT Range of pedals you can finally get the sound in your head.


High voltage tube design for true tube dynamics and feel. Two cascaded ECC83 triode stages for gain from warm boost to screaming lead. Enhanced tone network for massive tonal flexibility with traditional passive network musicality. Patent-Applied-For ISF control allows access to infinite new sounds. Emulated output is a new benchmark design for pro direct recording sounds. High integrity bypass for silent switching and driving long cables.

Blackstar HT Series HT-DISTX Tube High Gain Distortion Guitar Effects Pedal Features:

  • Genuine tube design
    Operates at 300V HT
    Cascaded tube gain stages
    Responds like a tube amp
    Unique enhanced tone controls
    Extreme gain and tone
    Exclusive Infinite Shape Feature (ISF)
    Fully equipped for stage or studio
    Speaker emulated output
    High integrity buffered bypass
    Power supply included
    Silent switching

Product Reviews
(Based on 5 reviews)
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  • Insane Gain

    As reviewed by MIKE MURDOCK on 1/24/2012

    I play in several bands that cover everything from rock to metal. I picked up the Blackstar DistX for that extra bit of insane gain I couldn't get from my other pedals or Marshall amp. The first thing you realize is that the pedal is a larger format and required some pedal board planning to accommodate it and it's dedicated power cable. Note: Be careful where that goes because the transformer can add noise to you signal! Once that was settled I plugged it in, set everything for noon and gave it a go. Immediate tonal impression was that this pedal does one thing and that is high gain - no surprise! If you're looking for a low gain range look elsewhere. Even at the lowest gain setting it is still putting out lots of distortion. After 2:00 the gain doesn't increase but gets more 'squishy' like my old 5150 used to. So I guess you say it is very amp-like in its responsiveness and tonal qualities.Roll past noon with the output level and there's enough volume to push the front end of a tube amp. The DistX definitely has a scooped mid leaning. That's ok for the bedroom, but I found playing with the band I need to just about max the mids to cut though. Having owned a Blackstar amp I was familiar with the ISF feature. As with the amp I just ignore the whole American/British jibberish and use it to find the right voicing for the mids. A good way to really hear it affecting the tone is to turn the mids all the way down and sweep the ISF. Working the 2 together helped me find the right mix. The downside: I've found 2 things that bother me. The first is to be expected from a high gain pedal and that is the hissing white noise. Too bad it doesn't have a built in noise gate to tame that. And the second and most annoying is the chrome knobs. Sure they look fantastic, but under stage lights or even just practicing at home those teeny tiny black dots are invisible!! Who OK'd this during the design stages?! To help this I've added tape to the knobs. Overall I am happy with the DistX. It does what I thought it would and I see it being on my board for a long time to come.

    1 of 1 people found this review helpful.
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  • Quality sound, but no versatility

    As reviewed by Jonno on 4/25/2010

    I got my DISTX about a month ago and I love it. It has all the power and feel of a genuine high gain tube head like Randall or Marshall. It is limited in its tonal options though. The gain once past 2 on the dial sounds the same. the 3-band EQ works well and the ISF does give a change in the overall sound, but the distortion tone is always the same. On its own its a great sounding pedal. Light years ahead of any non tube distortion unit. But, you throw an MXR 10 band EQ in front of it and you can get any leval of crazy gain you want. You can even nail a Mesa Dual Rec sound perfectly. I have had several quility high end amps, so I know what heavy gain should sound like. This has that heavy saturated distortion thats thick and powerful, and not thin and raspy like a lot of "metal" pedals. So again, on its own, its a Randall in a box. With a good EQ pedal, its any kind of monster you want it to be. Try it out.

    11 of 12 people found this review helpful.
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  • average and over priced

    As reviewed by Nikko on 4/14/2010

    I bought this pedal thinking it could replace my Sansamp GT2 and my Damage Control Solid Metal pedal. The reality was it could not replace either pedal. I use the sansamp to go direct to a boom box when i play at night and i use the DCSM pedal in front of a clean amp for some serious high gain tones. The Distx has a nice creamy tube like tone but it certainly isn't the "filth" machine that is used in the marketing by Blackstar. The gain control on this pedal has a limited range similar to the tone controls and past 2 'o clock the gain just bottoms out and the pedal just gets noisier. The ISF feature is also a huge disappointment as there isn't a very dramatic difference from the opposite ends of the dial. For the same price you could get the DCSM pedal, add an inexpensive DI box and you would have a combo that has much better tones than the Distx.

    5 of 8 people found this review helpful.
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Questions about the HT Series HT-DISTX Tube High Gain Distortion Guitar Effects Pedal (152009)

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