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Ampeg SVT-6 PRO

There was a pretty long detailed thread on this head a while ago, with some posts by a TBer who works for Ampeg. As I recall he explained that the SVT6 was designed the preamp tubes actively controlling the power amp section, as opossed to just sitting in the signal path adding color. This gives the amp a more tube like response. Apparently this is the same design as the SVT3 Pro, just coupled to a larger power section. So if you like the sound of a 3Pro but want more power this is the head for you.
 
Tash said:
There was a pretty long detailed thread on this head a while ago, with some posts by a TBer who works for Ampeg. As I recall he explained that the SVT6 was designed the preamp tubes actively controlling the power amp section, as opossed to just sitting in the signal path adding color. This gives the amp a more tube like response. Apparently this is the same design as the SVT3 Pro, just coupled to a larger power section. So if you like the sound of a 3Pro but want more power this is the head for you.
I may be wrong, but, it has a tube driver section aswell as the pre section, which, as you said works the power section differently from a standard hybrid

IIRC the 6 pro is pretty much the 3 pro, but with more do-dah's on it, and it has a bi-amp-able power section
 
Review on SVT-6 PRO

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Well, got it today. Playing it through a Ampeg 810e bottom. Rolling thunder is all I can say...cause my wine glass rolled right off the edge of my desk, and onto the beige carpet.....it was a Merlot..... she's gonna kill me when she gets home.

The amp. is outrageous!! It has Groove tubes, telsa and sovtek. Two of each. I have pics of the interior. Will post shortly. Massive transformer.

The 10!!! yup ten MOSFET's are bolted to a "tunnel" with twin fans at one end blowing out the rear. It sucks air from the front as well as from the sides. As the pics will show when I get them up, the tubes are inline with the air flow as well. Clever layout.

Now for the sound....LOUD and POWERFULL!!! Nuff said!! I have it eq'ed with bass on 8, parametric bass eq at +4 at 40 hz, all other controls set midway, (flat). No boost or cut. Ultra low and ultra high engaged. Treble control at 7.

Tube voltage control at 300 volts. Compression at 0.

Gain at 10 o'clock and master at 12 high. This gain setting flickers about 30%...good setting for me.

The sound is HUGE...no power loss, no delay in attack...NO DISTORTION..and it's fun to watch the lights in my office dim when I hit certain low notes!!

Ampeg hit this one out of the park!!! Very, VERY happy....finally!!!
 
I've had it for about a six weeks now, and played a 2 1/2 hour gig with it this past Halloween. It absolutely ROCKS! The tone is just crazy, and there are a lot of tone shaping tools. I thought I would miss the 9-band EQ, but I honestly don't. People were saying that once they got within 5 blocks of the house, they just followed the bass to the party......

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Anyone try this piece yet? It looks interesting & powerful...

~S~
Best amp ive ever owned beats messa boogie & ashdown with it sound shaping tools.It is a heavey amp but well worth it.
I use with a 4x10 ampeg cab which ive been told its soul brother to match up with......Actually i went from one extreme to another as i had a markbass top which was very light to the pro 6,but mark my words its lots better than the markbass.