1. That might create a heat issue depending on how hard you drive the sub. Best to leave an air space just to be safe.
2. It would probably be barely measurable.
3. If you're trying to get more low end output then it's not worth it. Pollyfill can't fix a design issue.
2. It would probably be barely measurable.
3. If you're trying to get more low end output then it's not worth it. Pollyfill can't fix a design issue.
