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<blockquote data-quote="Blackout67" data-source="post: 8903914" data-attributes="member: 683415">Been thinking long and hard about how exactly I&#039;m going to do my setup in my Mustang. I wanted to try something new and go with a PR system.Main goals for the system is cheap and efficient as possible with low tuning and conservation of trunk space as priorities.Passives I was looking at were the Earthquake SLAPS M series 10 and 12 inches. I&#039;ve heard that they have the best price to value performance compared to other PRs due to their spiderless design making them very efficient with a low FS.I was also looking at their Tremor 10 inch series to pair with them, for 2 actives and 2 passives. I had sent an email to them but they never got back to me and WINIsd was giving me errors any time I tried to use the PR to model (yes I made sure the units for measurements were accurate and all that)If anyone could help me with these questions I would greatly appreciate it:1. The price difference between the 10 and 12 inch is only $10. I&#039;d prefer to spend less money but if the gains from the 12 inch PR are good enough,&nbsp; it won&#039;t bother me. Trying for 1-1.25 cubes per subwoofer and radiator set tuned to 30ish hz. I&#039;ve heard the more displacement you have in I&#039;ve drivers makes the output flatter. Is this true? I&#039;d prefer it to be as flat as possible as Mustangs tiny airspace making cabin gain frequency decently high2. What effect, if any does the side of the box that the PR or Subwoofer will be on have? Would it behave like a port where you&#039;d need to have it close to the back trunk wall? Could I have the actives on the right and left side of the box with the PRs firing into the cabin sealed off from the trunk?3. How should i set my subsonic filter? I know PRs behave more like a ported closure and unload below Fb, but is it a steeper sloap or more gradual? What kind of output should i expect below what i tuned the PR to?Thanks!</blockquote>

[QUOTE="Blackout67, post: 8903914, member: 683415"] Been thinking long and hard about how exactly I'm going to do my setup in my Mustang. I wanted to try something new and go with a PR system. Main goals for the system is cheap and efficient as possible with low tuning and conservation of trunk space as priorities. Passives I was looking at were the Earthquake SLAPS M series 10 and 12 inches. I've heard that they have the best price to value performance compared to other PRs due to their spiderless design making them very efficient with a low FS. I was also looking at their Tremor 10 inch series to pair with them, for 2 actives and 2 passives. I had sent an email to them but they never got back to me and WINIsd was giving me errors any time I tried to use the PR to model (yes I made sure the units for measurements were accurate and all that) If anyone could help me with these questions I would greatly appreciate it: 1. The price difference between the 10 and 12 inch is only $10. I'd prefer to spend less money but if the gains from the 12 inch PR are good enough, it won't bother me. Trying for 1-1.25 cubes per subwoofer and radiator set tuned to 30ish hz. I've heard the more displacement you have in I've drivers makes the output flatter. Is this true? I'd prefer it to be as flat as possible as Mustangs tiny airspace making cabin gain frequency decently high 2. What effect, if any does the side of the box that the PR or Subwoofer will be on have? Would it behave like a port where you'd need to have it close to the back trunk wall? Could I have the actives on the right and left side of the box with the PRs firing into the cabin sealed off from the trunk? 3. How should i set my subsonic filter? I know PRs behave more like a ported closure and unload below Fb, but is it a steeper sloap or more gradual? What kind of output should i expect below what i tuned the PR to? Thanks! [/QUOTE]

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