You might use the lower setting in one of the presets and experience the change with different recordings.
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Im aware of the convienient option of using different preset EQ functions. I am almost certain there will be a noticeable effect and thats not what im concerned about. Im concerned about the stress and longevity of lowering the subsonic slope on these subs.
So basically what im asking is: Are these subs truly bullet proof and the warning by velodyne ultra conservative (as corporations with thier products usually are) or is the risk of damage too great at those levels?
I'm sure IF they were bullet proof that they would have a longer warranty.
I love that Thiel has a whopping 10 yr warranty.
Now Bryston has a ......20 year warranty on their subs.
I did use DD-15's before which I liked but in one sub the amp went in less than a year.
Wasn't doing high SPL's either in that 11x16 room.
I don't know the DD10+, so I'm just speculating here.
I assume that you're talking about Cinema use. I'm not sure if any music recordings have info that low, and if any do - it's not many and it's not much. So, for music use, lowering the frequency would only allowed the wrong signals to pass; turntable rumble, failure of the source unit, etc. It's just a bad idea, IMO.
For home cinema, defeating the sub sonic filter might well alter the impact of an exploding bus, but I doubt it's going to be a big deal. Given the model designation, I assume that your sub has a 10" driver. Asking for output that low from a smallish driver just seems like a bad idea.
I'd pass (please pardon the "low pass" pun).