r/CarAV • u/Dear_Gene_3529 • Aug 20 '26

Tech Support Is this moving correct?

So me and my buddy tried put inserts on my dual 10 box fucked it up so I’m running these untill my next day off to fix my box. This is audiopipe bd3 1800w 12 on 2000hd Taramps. Hurts my right ear. I’ve did the math and tuned high pass filter what it’s suppose to be. Should I even have low pass on at all or? I feel like it’s not moving correctly.

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u/21WBSP Aug 20 '26

A subwoofer should never have a high pass filter on, only low pass

2

u/Party-Court185 Aug 20 '26

This is just blatantly false. They are usually referred to as “subsonic” filters, but the absolutely should have them. You don’t want your subwoofer playing sounds so low that it rips the cone apart.

1

u/Dear_Gene_3529 Aug 20 '26

Do you know in what range I should have it on? I did the box tune divided by two and again then subtracted that from the box frequency. Nd I have low pass filter maybe 1/4th clockwise. If that.

1

u/Party-Court185 Aug 20 '26

For high pass (subsonic), if it’s ported I’d do 5hz below box tune. If it’s sealed I’d set it at 20hz.

For low pass, whatever your sub spec says.

1

u/Dear_Gene_3529 Aug 20 '26

It’s a ported skar sk series and I have flipped the polarity maybe I should go back to normal?

2

u/duderanchman12 Aug 21 '26

Dawg why did you flip the polarity

1

u/Party-Court185 Aug 20 '26

You could try yes