V. Dual Rectifier

Line 6 dialed in the classic Mesa/Boogie Dual Rectifier tone beautifully. You can get a variety of great tones from it, from hard rock to metal. It will djent without a boost, and it doesn't have any awkward kinks that you have to dial out. I don't necessarily try to replicate an artist's rig when I'm trying to dial in their tone - I often find a different amp model dialed in a clever way gets me closer to the tone. This is not the case here. If I want to replicate an artist that uses a Boogie Rectifier, I use this amp model without hesitation. If you like its tone, you lucked out with Line6's implementation. I use this amp for modern Dream Theater and Meshuggah tones, as well as some of my own personal tones.

I find this is the most straight-forward high-gain amp on the Pod HD. All the controls behave as you'd expect them to. The only surprise is that it has loads of bass. When matched with the rather bright Treadplate cab; however, it gets canceled out and sounds great. The only thing to watch out for is the treble knob; it can dominate your tone at higher levels.

You probably don't need to use any form of overdrive/EQ before the amp - it is preset to djent. However, a mild EQ will dial out any mud if you have dark pickups. Also, a slight EQ boost at 1 kHZ will make it slightly more djenty. Using a Tube Screamer will make the tone super tight, which works great for the down-tuned metalcore or death metal stuff.

This thing has tons of bass in comparison to other models, and it is difficult to tame. I find a Parametric EQ with frequency around 15% works best, and I usually use that in conjunction with a Mid-Focus EQ - I'll set the high pass Q to 0% and move HP Freq from 0% upward until I find where the boominess is gone.

The most control over the distortion tone comes from the Master Volume parameter. Higher settings get a dirtier distortion - a lot more bite. I tend to set it lower - around 30%. This keeps the tone nice and spongy but still with a good bit of bite. I'm still experimenting with the rest of the DEP's, but if anything I'll just set Sag lower. I like the Bias controls usually at 50% for now. To get the super-cold sounding Meshuggah tone, I change it up a little - I like Master Volume pretty high (~80%). Hum seems to change the splatty-ness of the distortion. I believe I turn it down a little sometimes to make the tone more spongy.

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VI. Fireball

A great representation of the ENGL sound - very midsy yet modern and djenty. It's a bit looser than the Dual Rectifier and a bit dirtier - it has a wonderful gritty tone, think Jeff Loomis. Has loads of distortion and is pretty simple to dial in. It's a great choice for any kind of modern metal when you don't want the Dual Rectifier sound. I use this amp mainly for Periphery and Scar Symmetry tones, but you can actually get a good 80's metal sound out of it due to its midrange response.

The Presence and Treble controls are a bit sensitive at higher settings, but sometimes you need them up high to get enough sizzle to the tone. They seem to provide very subtle changes during initial adjustments than start to hurt the tone, usually making it too harsh. Bass doesn't seem to do very much. Mids is more responsive but also more forgiving - I usually set it up fairly high and, like the Uber, use EQ effects to really dial in the midrange response.

A mids-boost on this amp can make it really djenty. Ola's hand job patch uses a Screamer with Bass down to 35%, tone up to 75%, and Treble at 45%. I also like using a Classic Distortion with Drive ~5-15%, Bass 35%, Filter 75%, Treble 60-65% to make it really aggressive - djenty but also dirty.

Another trick is to use EQ before the amp, boosting the mids, but turning down some of the really high end. This makes the tone much smoother sounding - Studio EQ with Low Freq at 700 HZ, +5 db, High Freq at 5000 HZ -4db.

I generally like to turn up the Master Volume to the 70-100% range for my Vai tone. This really makes the amp thump, but it also makes it a little looser. If you want a tighter tone, turn it down. This amp seems the most forgiving with its DEP's. For lower Master Volume settings, reducing Bias tends to make the amp sound more real in my mind, although this does suck out some mids which you'll have to add back in. For higher Master Volume settings, Bias tends to make the amp sound a little looser and more midsy and warm at lower settings, but tighter and crisper and colder at higher settings. For the life of me, I can't seem to notice any change in the tone with the Hum control.

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