Re: Digger8 Sub - diggity dig it all the way to 20Hz
I designed the Digger8 with 3 goals to achieve simultaneously: dig deep, compact as possible including minimizing floor space area, and low cost. There are plenty of ways to get 2 of the 3 while conceding on one of those so if that's ok for you, the design can certainly be modified to accommodate that. But getting all 3 of those was what t couldn't find in an existing design be it diy or commercial. If cost is not an issue, I would forego the PR and go with a larger driver in a more compact enclosure with a nice amp that has EQ, but that design would cost considerably more, but retains the size and extension attributes. I looked into various PRs including CSS, TC and Seas and had good experience with AE many years ago, but I knew of their typical lead times. The others were just to high in cost for me and the projects goals. But feel free to adjust to suit your needs and budget. I can help if needed.
Kevin, I think the damage to the PR cone came from the weights hitting the brace while the cone still had a lot of momentum. I don't think having the weights is what caused it. If there were sufficient space behind the weights, I don't think the cone would have been damaged (though there's the potential for the surround to tear). You can sand/cut the brace a bit to provide more travel. I had to do that with mine also, but that was due to a poorly made enclosure that didn't fit together right.
I designed the Digger8 with 3 goals to achieve simultaneously: dig deep, compact as possible including minimizing floor space area, and low cost. There are plenty of ways to get 2 of the 3 while conceding on one of those so if that's ok for you, the design can certainly be modified to accommodate that. But getting all 3 of those was what t couldn't find in an existing design be it diy or commercial. If cost is not an issue, I would forego the PR and go with a larger driver in a more compact enclosure with a nice amp that has EQ, but that design would cost considerably more, but retains the size and extension attributes. I looked into various PRs including CSS, TC and Seas and had good experience with AE many years ago, but I knew of their typical lead times. The others were just to high in cost for me and the projects goals. But feel free to adjust to suit your needs and budget. I can help if needed.
Kevin, I think the damage to the PR cone came from the weights hitting the brace while the cone still had a lot of momentum. I don't think having the weights is what caused it. If there were sufficient space behind the weights, I don't think the cone would have been damaged (though there's the potential for the surround to tear). You can sand/cut the brace a bit to provide more travel. I had to do that with mine also, but that was due to a poorly made enclosure that didn't fit together right.
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