Here's a writeup on my Anchak fEARful 15/6/1 stack.
Last weekend I went and picked up the second 15/6/1 cab that I had Ron Anchak build for me. I had previously brought the other 15/6/1 cab back to his shop so he could test some things out with the pair before I showed up, so we had both cabs to play with at Ron's shop when I stopped by. I brought over both my TC Electronics RH750 and Ampeg SVT-7 Pro to test the rig.
Both the RH750 and the Ampeg sound great through a 15/6/1. They sound different but they are both great. SPL wise, with one cab the RH750 and the Ampeg put out the same SPL.
With both cabs, both amps sounded great. When I had both cabs stacked, playing in front of that was like getting a full body bass massage. Heaven. Best cabs I've ever owned. With the cabs stacked, this is where the difference between the RH750 and the SVT-7 Pro can be seen, headroom wise. At levels of db 123+ the SVT-7 exhibited more headroom than the RH750. The SVT-7 Pro can stay cleaner, louder than the RH750. Even with TubeTone all the way down, with both 15/6/1 cabs and pushing past 120-123db, the RH750 starts to break up. A pleasant breakup, but a breakup nonetheless where the SVT-7 Pro can stay clean at 123 db plus. So if you need loud and clean, use the SVT-7.
In the case of both amps, the fEARful cabs could take more than the amps could give. That being said, with either amp, 1 cab is probably all I will ever need in situations I play. If I did have the need for both fEARfuls, I would default to the SVT-7 because it has more headroom with both cabs.
With all that I concentrated on the SVT-7 Pro and 2 cabs and played around at high SPL levels. It was Saturday morning and the businesses around Ron's shop were empty so we can crank as much as we liked. The whole time I kept quoting famous thesbian Samuel Jackson over and over. The quote rhymed with "Brother Tucker." I kept playing and kept quoting over and over. The SVT-7 Pro with 2 15/6/1 cabs has a set of brass-basket-balls. Fantastic tone and volume for miles. You can take this rig to a Rock / Doom / Metal / X-Core gig and have plenty and then some. The bass is full without boom and the mids are articulate. I roll the highs back normally, but to test I put more treble than I normally use and tested that out. If you like treble, its there. I walk around and the rig sounds as good off axis as it does on.
For giggles we took it up to some serious volume and then hit the ultra-low button on the SVT-7. The fEARfuls took it without problem. I have to say, Greenboy designs and Ron Anchak builds a mighty fine cab. Great Lows, Mids, and Highs with off axis definition that sounds fantastic. This will be the last set up big rig cabs I will ever need. I will probably put this on the rig of doom and the big cab threads on Talkbass. This rig definitely qualifies. You can definitely feed the 2 15/6/1 fEARfuls more than the 1000w at 4 ohms that SVT-7 Pro puts out, but I think most people would be happy with what they get with this combination.
