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Verified Purchaser zZounds has verified that this reviewer purchased this specific product from us.

Das Ubershall (SuperSonic in German) pre-amp from Synergy is for sure one of my favorite pre-amp modules that I own, and I have most of the Synergy line up. Though I have never owned an actual Uberschall, I have played through them as well as other Bogner amps and I can tell you that this is an honest avatar of the real deal. Being essentially a 1:1 version of the actual Uberschall pre-amp it 100% captures the searing hi-gain aggression that this amp is known for. Unlike a lot of the Synergy pre-amp modules the two channels on the Ubershall are unique and have slightly different controls that are tailored to each channel. Ch.1 is the TwinJet. It is "traditionally" used for heavy metal crunch and tends to be fairly bright on its normal settings, but this can be modified and since it still has TONS of gain on tap and gets chugging quite easily....like really easily. Independent tone-stack controls for each channel really lets you dial in two totally unique hi-gain tones. The SUPERhi-gain Ch.2 is the headliner. You might think that you have experienced hi-gain, but unless you have plugged into the SHG that's cranked on an Uberschall you really haven't. This captures the essence of that channel and all of the hot searing, face melting gain gain that oozes out of it. It has brightness control switch for adjusting how much top end spice you want, as well as a pre-EQ boost.....because of course you need gain on top of gain. It's difficult to describe the mojo of this channel, but the aggressive nature and tonal contour give it loads of "cut" in the mix. It's like a hot knife in butter, you will never be overshadowed by a drummer. At the same time it has HUGE low end end and a sort of mid-focus that retains its presence even when you scoop the mids (as metalheads do).It is truly a great Synergy module and if you are a fan of gain it's a must have. The only drawback to this particular module is that it tends to get noisy when really cranked. This is not really a design flaw as much as it is simply the nauture of tube pre-amp design. It should also be noted that ALL really hi gain amps have this issue to some degree. The simple solution is a noise gain in the effects loop of your Synergy host. In the real amps that are ultra gain-y, almost all of them have a gate built into the pre-amp that can be adjusted via the back panel. I personally have used a decimator x pedal and boss noise suppressor pedal and both did the trick. This has always been my one suggestion for the Synergy system: Lose the less useful "SAG" control on the Synergy pre-amp docks and replace it with a built in noise gate. This would make the Synergy system literally perfect since a lot of their modules are dripping with gain.

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Verified Purchaser zZounds has verified that this reviewer purchased this specific product from us.

I'm not as hands-on familiar with the actual amp as some of the other modules, but I do know its sound from artists who've recorded with it.A very different character than my SLO module, which is great, because as much as I love that preamp it is good to have some variety in the sonic characteristics. It could very well be my setup (currently the preamp into an HX Stomp w/ custom IRs), or knowledge in general, but I don't hear a whole lot of difference between the B1/B2 pre-EQ positions on either channel. I have yet to experiment with the cathode switch, either, but I definitely recommend this module just for the tone shaping capabilities.