Normal
The one I used are 160mm and I needed to use some spacers between the wood and the speaker to bring them forward. I have a stock thickness foam and there is loads of space. https://www.amazon.co.uk/gp/product/B07DN6379Z/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1[ATTACH=full]4334[/ATTACH][ATTACH=full]4335[/ATTACH]
The one I used are 160mm and I needed to use some spacers between the wood and the speaker to bring them forward. I have a stock thickness foam and there is loads of space. https://www.amazon.co.uk/gp/product/B07DN6379Z/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
[ATTACH=full]4334[/ATTACH][ATTACH=full]4335[/ATTACH]