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<blockquote data-quote="Mopar221" data-source="post: 8465119" data-attributes="member: 668615">Happy New Year everyone.I took it upon myself and bought me some Christmas gifts. so i&#039;ll be posting a little log on my 2 installs.98 Dodge Ram:Alpine CDA-9855Infinity Reference 6x9&#039;s and 5.25&#039;s(2) Sundown SA-8v3 (D4)Sundown SAE-1000d v202 Chevy Blazer:Alpine CDA-9853interior speakers TBDDD 2510 or Sundown x-10&#039;sSundown SAE-1000d v2My 98 Ram install is done for now. sounds good, Lows are amazing. I need to play with port lengths to find the sweet spot. I am not sure of the enclosure volume or tuning. It is a temp box to get me by till I can get a good box design figured out (I could use help if anyone is willing). Dodge rams are not enclosure friendly.I have started building my Blazers box already. so once that install is complete I will be posting pictures. I am waiting for my Ram install pictures to upload right now, I will post those when available..One question if anyone can answer. As I do not know the volume or tuning for my SA-8&#039;s box and wanting to play with the port lengths, can anyone tell me if adding length to 3&quot; round ports raises or lowers tuning. right now I&#039;m thinking I&#039;m right around 30hz&#039;ish. I have (2) 3&quot;x13.5&quot; ports in the box. I&#039;m trying to figure out if adding will raise or lower tuning. I&#039;m trying to get to 35-45hz tuning.well, that is enough for now, time to head to bed, long day/night in the cold garage. Pictures to follow.Happy New Years everyone!!!!</blockquote>

[QUOTE="Mopar221, post: 8465119, member: 668615"] Happy New Year everyone. I took it upon myself and bought me some Christmas gifts. so i'll be posting a little log on my 2 installs. 98 Dodge Ram: Alpine CDA-9855 Infinity Reference 6x9's and 5.25's (2) Sundown SA-8v3 (D4) Sundown SAE-1000d v2 02 Chevy Blazer: Alpine CDA-9853 interior speakers TBD DD 2510 or Sundown x-10's Sundown SAE-1000d v2 My 98 Ram install is done for now. sounds good, Lows are amazing. I need to play with port lengths to find the sweet spot. I am not sure of the enclosure volume or tuning. It is a temp box to get me by till I can get a good box design figured out (I could use help if anyone is willing). Dodge rams are not enclosure friendly. I have started building my Blazers box already. so once that install is complete I will be posting pictures. I am waiting for my Ram install pictures to upload right now, I will post those when available.. One question if anyone can answer. As I do not know the volume or tuning for my SA-8's box and wanting to play with the port lengths, can anyone tell me if adding length to 3" round ports raises or lowers tuning. right now I'm thinking I'm right around 30hz'ish. I have (2) 3"x13.5" ports in the box. I'm trying to figure out if adding will raise or lower tuning. I'm trying to get to 35-45hz tuning. well, that is enough for now, time to head to bed, long day/night in the cold garage. Pictures to follow. Happy New Years everyone!!!! [/QUOTE]

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