can a 8'' sub be used for mid bass?

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cvame

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Joined: January 04, 2009

Posted: May 29, 2010 at 11:48 PM / IP Logged

Im considering installing a Fosgate P2D48 centered under the dash of my F250 Crew Cab, and use it as mid bass fill. I will be powering it with the sub channel from a 5channel amp. I have 2 P2S10"s in the back powered seperately. Ive had people tell me im crazy and its a waste of time and money. Is this a good idea? or am i really wasteing my time?

Thanks

KPierson

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Location: Ohio, United States

Posted: May 30, 2010 at 9:38 AM / IP Logged

I used to have two 8" "subs" for midbass and I loved them.

can a 8'' sub be used for mid bass? -- posted image.

It all depends on how you have them crossed over and the other speakers in the system.

I believe my subs were crossed over at 60 hz and the 8" speakers played from 60 - 400hz or so (may have been less). Then the 5 1/4s played the rest.

Kevin Pierson

cvame

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Joined: January 04, 2009

Posted: June 01, 2010 at 2:25 AM / IP Logged

Thanks for the reply KP,

Now its between a single 8" sub in the center front, OR two 8" in the front door, OR two of JL audios 6.5" subs in the front door..... Either way im gonna try it. Especially since my buddies all say it won't sound good....

nismo542

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Joined: June 04, 2010

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Posted: June 06, 2010 at 12:56 AM / IP Logged

perfect for midbass as long as you use a crossover so you only send them midbass

nismo542

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Joined: June 04, 2010

Location: South Carolina, United States

Posted: June 06, 2010 at 12:57 AM / IP Logged

you will need an adjustable crossover that you can set at "bandpass" so you can send 100-500 Hz only

cvame

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Joined: January 04, 2009

Posted: June 06, 2010 at 3:33 AM / IP Logged

Which ones are perfect "nismo"? The 8" or 6.5"?

stevdart

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Posted: June 06, 2010 at 9:56 AM / IP Logged

The fifth channel of the amplifier will provide the crossover function to send only sub bass to your bass speaker. Whether you use on or two might depend on these questions: is this single 8" sub a 2 ohm impedance? That would be the ideal load if using just one. If the speaker is 4 ohms, using two in parallel would put a 2 ohm load on the amp and the increased cone area will provide greater volume to work with. Further, you do not need stereo separation for sub bass. Your fronts should reside in the doors and will provide the true midbass.

Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.

cvame

Member - Posts: 40

Joined: January 04, 2009

Posted: June 07, 2010 at 2:01 AM / IP Logged

Thank you Steve, thats the direction ill be going now. Two 4ohm's in the front doors. Just trying to decide between the Fosgate 8's or the JL 6.5" subs.... This install keeps getting pushed back in favor of the wifes van capacitor problem - lol

kyle_h

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Joined: March 08, 2011

Location: Ontario, Canada

Posted: March 08, 2011 at 7:39 PM / IP Logged

cvame wrote:

Thanks

I was also looking into 8" sub for my "midbass" but on another forum, everyone was saying it's stupid and won't work. I don't really see how it wouldn't.

KPierson wrote:

I used to have two 8" "subs" for midbass and I loved them.

It all depends on how you have them crossed over and the other speakers in the system.

Did you wire them as 1 channel EACH or all together like a sub?

That's one thing I'm confused about when it comes to midbass drivers. Are they wired like components or subs? And what makes a 6.5" midbass different from a 6.5" component speaker?

-Kyle

2006 Mazda 6i

2001 GMC Sierra 2500 HD

KPierson

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Joined: April 14, 2005

Location: Ohio, United States

Posted: March 08, 2011 at 7:57 PM / IP Logged

I believe my 8" midbasses were powered off of 2 channels of a 4 channel Kicker amp. I do remember that I had to wire them out of phase because of their mounting arrangement.

Kevin Pierson

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