Is 38hz for a box decent?

Anything will be better then Skar. Trust Buck he did this professionally for a long time. For around 100-150 dollars you can do pretty decent subwoofers that will outshine Skarbage. What size are you looking at? nvm I see a 12" lemme look later as well.
 
I would consider this one, can be at 2 ohms or 4 ohms and would be right in your RMS range as well as ohm load. JBL makes nice stuff. While out of stock there take a look around. Something to consider.

 
When you say "caulking rope" you mean just a bead of caulking right?
No, it's more of a putty that stays soft. You can find it at the big box building supply stores.
If the larger recommendation of a sealed box is 1.5cuft and the smaller size for a ported box is 1.5cuft how much spl difference between the two would be ? Because building a sealed box is so hassle free
Again, you must ask what driver you are using. Many modern subwoofers are just not designed to function well in sealed alignment. In general ported box can give you very audible gains at and around tuning and depending on the sub it can help a lot getting more low frequency extension. They used to claim 3dB gain but that is a gross over simplification and leaves out the important bit of at what frequency you can expect to add +3dB (or thereabouts).
I have quite a few actually.
OK, so name 5.



As to what's a "good" sub for 100$ is there anything decent on PartsExpress these days for lower power offerings?
 
No, it's more of a putty that stays soft. You can find it at the big box building supply stores.

Again, you must ask what driver you are using. Many modern subwoofers are just not designed to function well in sealed alignment. In general ported box can give you very audible gains at and around tuning and depending on the sub it can help a lot getting more low frequency extension. They used to claim 3dB gain but that is a gross over simplification and leaves out the important bit of at what frequency you can expect to add +3dB (or thereabouts).

OK, so name 5.



As to what's a "good" sub for 100$ is there anything decent on PartsExpress these days for lower power offerings?

I don’t owe you anything lol. Idk why you’re like worked up about tuning low.

What do you think about somebody like Sundown recommending tuning to 32 hz? Or SSA, or Fi, or whoever. Are they wrong saying 32 hz sounds good? People tend to love 32-35 hz tuning.
 
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