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tbeats

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About tbeats

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  1. Try this , this guy came up with a method that works very well to calculate overlap setting..... https://youtu.be/nV-_1f0Z-tE
  2. Ok so trying to get an idea of the t1500bdcp power at 2ohm . I've tested with a dmm and used a -5db track 40hz and got 63.3 volts and that's around 2k cant be correct. Anyone know a ballpark way with a dmm .
  3. Awesome. So I'm trying to calculate how to come up with .6 cubic feet of mass to get my net down to 2.0 cube on each sub . How can I figure that with the foam board?
  4. Got a subwoofer box at 2.53 per sub sealed running sub at a little over rms so I'm reaching xmax pretty fast on low notes. Rockford recommends on my p3 15 1.58 to 3 cube sealed . They told me for the power I have I need to be in the lower side no more then 2 cubic per 15. Is there any thing I could do to bring the air space down but is also reversible in case I go with a sub in the future that could use more air space.
  5. Actually I'm speaking of both. My gain is at -10db but when you look at any graph on lpf's they all show a range baseline at 0db well with gain overlap we set past 0db.
  6. Ok trying to better understand. I'll admit I'm not 100% sure so try to help me with this lol. Looking at most lpf filter graphs you will see to the left 0db and down and at the bottom going a cross lpf range 20 to 100hz and 80 is chosen. Well that's setting 80hz at 0db well we set with overlap at say 10db so at that level would we need the lpf to be set much lower to counter higher frequency cut off? I'm looking like with 10db of overlap to be correct with 80hz I would need to set around 50hz to 56hz. Idk help me understand. Because I set with 80hz on the money with the cc1 and sounds like shit but set with 50hz and sounds amazing, has this been overlooked.
  7. So looking at spec's on the Rockford punch line the p3 in general I'm seeing mixed spec's on the xmax one saying 15.2 one saying 13.3. What's correct? Rockford fosgate website says 15.2 on the spec's but in the owners manual its 13.3 !
  8. Now when you say Sa12 you talking about sundown or Apocalypse DB-SA subs? Big difference.
  9. Went with 0db track since the amp is over power 1500+ at 2ohm. was previously set at -5 and was way to much. In the future we may try -2.5db track but that much power over rms with Potential clipping feels scary.
  10. Would you use the subsonic filter on the amp it's fixed 28db 12db slope, everything I see also the smd cc1 manual says 15's dont need sealed but I'm looking at the over power the subs will get would it hurt? Looking to get as deep as possible.
  11. That was what Forrest at Rockford recommend when we called him was 4.5 to 5 cube and I personally told him the t1500bdcp so was he thinking set the gain with 0 overlap I really wish I had asked him.
  12. Also the Rockford PEQ remote is installed currently set to 0, was told would be needed because running a sealed enclosure but not using until amp is set correctly.
  13. With a Rockford t1500bdcp @ 2ohm said rms is 1626, subs two P3 15's d2 in a sealed 5 cubic net sealed enclosure. With that setup what would be the best gain overlap 0db or maybe -2.5db? Sealed box range is 1.5 to 3.0 cube per I'm at 2.5 per dont wanna really chance over power and kill them. Any help would appreciate.
  14. Not saying your wrong man just trying to understand how wiring lower then what the manufacturer says is safe is actually any safer. I'm not saying this as your wrong just trying to see the logic and not break the amp. I could be wrong but I would think wiring that low would raise the amps thd level same or more then having at 2ohm with -10db.
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