WillyGoat719 Posted October 4, 2025 Report Posted October 4, 2025 So I am building a Box for 3-6.5" 600 series DDs and 1-SL600-12" in a 2018 F-150 under the seat. Wanted to create 2 in 1 box, down fire the 12" and the 6.5" firing forward. all Ported What problems am i going to run into, As I'm sure there will be some. Thanks for the advice in advance. Quote
EricM9104 Posted October 4, 2025 Report Posted October 4, 2025 Phasing. Why 3 6.5"? Quote 2015 Honda Civic LX 4dr | 110k miles | Stock 1996 GMC Yukon SLT 4dr 4wd | 260k miles | JVC Head-unit
Joe X Posted October 5, 2025 Report Posted October 5, 2025 13 hours ago, WillyGoat719 said: So I am building a Box for 3-6.5" 600 series DDs and 1-SL600-12" in a 2018 F-150 under the seat. Wanted to create 2 in 1 box, down fire the 12" and the 6.5" firing forward. all Ported What problems am i going to run into, As I'm sure there will be some. Thanks for the advice in advance. Typically there won't be enough space for all that. In any case the 12 sub NEED to go in it's own chamber and the 6.5s in another one or else.. Quote
WillyGoat719 Posted October 7, 2025 Author Report Posted October 7, 2025 I understand that, I've figured that the 3-6.5s will require a box measuring 36x8x12.28 and I can probably put the slim 12 behind the seat. To answer the Question on "why 3 6.5s" because thats whats available at the moment! Should probably only use 2 of them. Quote
Joe X Posted October 8, 2025 Report Posted October 8, 2025 Yes you could make a box for your 12" for behind the seats another for the 6.5s to be put below or as a center console. Quote
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