Issue with HORRIBLE sound quality

[Stingerssx 10+ year member]

Could be a leaky too, unless he's used the same box in different set-ups. I've never heard "2012 Accord Sedans sound like poo."

I checked that all were built correctly. The ported as well. Even ran extra glue in the joints. I've built many boxes, so I kinda know what to look for.
I've never heard that about 8th gen Accords either. That's why I'm so baffled.
I've shown my setup to a few different people too. And no one can figure this out.
I've installed MANY systems over the past 30 years. And learned a lot. But can't figure this one out.
I've even pulled EVERYTHING out and re-installed it all.

 

[Stingerssx 10+ year member]

Yesterday I turned off the front stage crossovers, (previously cut off at 80hz). The 6.5s hit pretty good. Could be better. Obviously they dont play really low, they're mid range speakers. But the subs just don't hit above around 60hz. No punch what so ever. Kick drums do not play through the subs. And when the bass hits below about 40hz, you can hear bass, but barely. Things shake like crazy, but the bass filling sound isn't there.
An example is Toto's Africa, in the Hearse, the drums pound your chest. In the Accord, you can barely hear the drums.

 

[Jimi77 Premium Member]

Yesterday I turned off the front stage crossovers, (previously cut off at 80hz). The 6.5s hit pretty good. Could be better. Obviously they dont play really low, they're mid range speakers. But the subs just don't hit above around 60hz. No punch what so ever. Kick drums do not play through the subs. And when the bass hits below about 40hz, you can hear bass, but barely. Things shake like crazy, but the bass filling sound isn't there.
An example is Toto's Africa, in the Hearse, the drums pound your chest. In the Accord, you can barely hear the drums.

And you still have this problem with the sub in the rear seat???

 

[Stingerssx 10+ year member]

And you still have this problem with the sub in the rear seat???

No matter what I do, I still have this problem.

 

[Jimi77 Premium Member]

No matter what I do, I still have this problem.

That's crazy. Have you tried a phone into the sub amp? Have you tried a phone into the sub amp with the sub in the back seat?

 

[Old_Slapper]

This is one of those situations that requires us to be there to see it in person.

 

[Stingerssx 10+ year member]

Yep tried that too. With two different amps!

 

[Stingerssx 10+ year member]

This is one of those situations that requires us to be there to see it in person.

Yeah, that's why I tried having a few people look at it. And still, no one can figure this out. All I keep hearing is that it's the acoustics of the car. Then I show them with the sub outside and we're all still baffled.

 

[Stingerssx 10+ year member]

One more thing. The whole back seat drops down. Even with the sub facing forward, and the back seat down, this still happens.

 

[spokey9 5,000+ posts]

Have you tried going to a shop and getting a professional tune done?

 

[Stingerssx 10+ year member]

Have you tried going to a shop and getting a professional tune done?

I've talked to a few people and none have been able to help. I really want to figure this out myself. Especially if I change out speakers and subs. The reason that I have a single 12 right now is because I wanted trunk room. I go back and forth on trunk space and loud bass.

 

[Stingerssx 10+ year member]

So a little more insight. I've never been able to tune my system with a DMM. For some reason, the meter won't go above single digits without going into overload. And I've even bought a SMD DD1. That thing was absolutely useless. It would lock up with all its lights on when I got to a certain volume with either the speaker connection from the amp or even with just the RCAs. Then I'd have to restart it to reset it. I returned that crap right away.
I've tried using an oscilloscope with no luck either.

 

[spokey9 5,000+ posts]

I think you'd need to set up a mic and see what going on with the response with a program like rew. A dmm or dd1 is just for setting gains

 

[1aespinoza Premium Member]

Yep tried that too. With two different amps!

I think you should get that car exorcised from the spirit that left your hearse and squatted in it.
You may have some sort of electronic interference if even the meters are not working. Maybe a faulty GPS tracker? Search the car for some item that looks like it does not belong. Also ask an audio shop if they can use an oscilloscope on your charging system to see if something is off.

 

[Jimi77 Premium Member]

How does the sub sound if you leave it hooked up to the car, but take it out of the car?