Well I'll just straight to the point. I've always had my system connected on a LOC hooked up to a stock head-unit at first. Then I end up upgrading to a better aftermarket one (both times have been with Alpine). First setup was a stock 00-01 s2000 cd player, hooked up on a loc, alpine mrd-m300 and a 10" W3V2-D4 subwoofer in sealed box. Sounded great on stock head-unit, swapped to Alpine CDA-9847, bass disappeared, tried and tried to configure the head-unit, turned up the amplifier. The bass wasn't nearly as loud.

Now for the current setup.

Beginning:

Stock 02+ Honda S2000 head-unit / cheap PAC LOC
JL Audio 500/1
Resonant Engineering 12" Subwoofer (Dual 1ohm, wired series running @ 2ohms) in a 0.8-0.9 sealed enclosure (bad choice....)
Front speakers are just some 6 1/2 Pioneer 3ways (for now/temp) with some MBQ Tweeters on the door panels hooked up to the MBQ xover.
Rears are some stock bose from another car.
I know the subwoofer is getting really underpowered, it's not going to be like this for long.

Now with the stock head-unit, the bass was actually pretty damn loud, knocked everything up, shaking my mirrors etc.

Now I just got a new head-unit
Alpine CDA-9835

After installing this head-unit, the speakers aren't as loud, the subwoofer is barely even moving/playing. I've turned the gain up more on the 500/1 (it's like 1/2 3/4 way up now, befor it was 1/4 way up and it was loud as hell). I tried to mess with the EQ on the head-unit, turned up the subwoofer gain on head-unit, but I could not get this thing to sound loud again. The subwoofer would hardly move, befor it'd move like crazy..

Could someone help with some suggestions? Most of the EQ settings was on 80hz/+0db/flat , I changed it around but still not getting nowhere. I've also tried to go on i-personalize and read, but still no luck yet..

 

what is the setting on the amp its self, do you have the lp filter on?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by wrx-killer-Sti eater &raquo;</TD></TR><TR><TD CLASS="quote">what is the setting on the amp its self, do you have the lp filter on?</TD></TR></TABLE>

I believe it is on LP, I will double check tomorrow gotta go to sleep now, but i'm pretty sure it is on LP filter.

 

Also I minus well throw this in here, does anybody know how to buff/clean off light scratches on alpine head-units, can only see it at angles there's a lot of light scratches. Also one of the button seem to got some liquid of some sort inside it, was wondering if that was able to be cleaned somehow too.

Thanks

 

turn it off since you are using the x-over on the radio. then go from there

 

On the Preamp Output Section, do I need to turn the Output mode to Amp Filter (which I think is what it's on right now), and turn the Amp LP Filter to off? What happens if LP filter is on, when using the xover on the head-unit? Would it make that big of a difference. (cancels each other out maybe?)

 

Did what you told me to do. Checked the amp and it is on LP, turned off LP Filter. Now it seems even worse.

 

Infrasonic filter is on, amp is on Amp Filter if you need to know. Bass EQ is turned on.

 

Anybody?

 

Make sure the amp input voltage is set to low. Leave the amp lp filter to off. Then try to add a lil boost to the system. The output side is not going to do anything on your set up. It sound like the amp is not getting enough input. make sure you turned up the sub output on the headunit.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by wrx-killer-Sti eater &raquo;</TD></TR><TR><TD CLASS="quote">Make sure the amp input voltage is set to low. Leave the amp lp filter to off. Then try to add a lil boost to the system. The output side is not going to do anything on your set up. It sound like the amp is not getting enough input. make sure you turned up the sub output on the headunit.</TD></TR></TABLE>

I'll go set the input voltage to low..it was set on high. The sub output on the head-unit is at like +5 already. Neither the sub nor speakers are getting any more power then it was on stock head-unit, hell probably less. The rear speakers seem to be distorting too. I'll be back later with updates on if the input voltage setting to low even boosts the system up.

 

post your results

 

Replied to your PM. I set the input voltage to low, and it actually did help it get better power, now there's some bass but still not nearly knocking like how it was with the stock head-unit. I can't seem to get the rear speakers to stop distorting too.

 

Factory bose speakers are usually 1ohm

Assuming they are I would disconnect them before you fry your deck.

I'm also curious what the output on your loc is. Somewhat correct me if I'm wrong, but I think the cda9855 has 4volt out

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by a_s_ol_ &raquo;</TD></TR><TR><TD CLASS="quote">Factory bose speakers are usually 1ohm

Assuming they are I would disconnect them before you fry your deck.

I'm also curious what the output on your loc is. Somewhat correct me if I'm wrong, but I think the cda9855 has 4volt out</TD></TR></TABLE>

Not sure what the output on my LOC is. It was a cheap PAC SNI-15 I believe. And it's the Alpine CDA-9835, and yessir it's 4volt out. I've never had a problem with those bose speakers? Other then them being ridiculously loud. I thought they're 2ohm speakers (didnt know htey even make 1ohm speakers..wow)

 

I'm disconnecting/taking out those bose tomorrow. Thanks for the help. Thanks a lot to wrx-killer-Sti eater for really helping me, on the phone and helping me setting up the head-unit/eq, settings so far. Sounds a lot better then befor, but still some adjustments to make which won't be done until tomorrow.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by a_s_ol_ &raquo;</TD></TR><TR><TD CLASS="quote">Factory bose speakers are usually 1ohm
</TD></TR></TABLE>

many modern bose systems use 4 ohm drivers. it was the old ones that had the amps intergrated to the speaker enclosure that was funky like that. in many modern cars, you can install aftermarket amps and speakers to bose drivers.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dc24me &raquo;</TD></TR><TR><TD CLASS="quote">many modern bose systems use 4 ohm drivers. it was the old ones that had the amps intergrated to the speaker enclosure that was funky like that. in many modern cars, you can install aftermarket amps and speakers to bose drivers.</TD></TR></TABLE>

Came from a 93 Acura Legend. Pretty old

 

You have to turn the subwoofer output on in the f setup on the deck. Then you might want to turn the subwoofer volume up on the deck.

The sub will move when there's music in the car. But it's not in fact on.

 

Yeah I have it turned up in the setup now. The subwoofer level is turned up too. Sounds better now but still not better then befor. Took out the rear bose today, had to turn down the subwoofer. Still gotta adjust some more settings. Front speakers are still getting bass coming out of them, which I don't want.

 

Well tuned it a little, not all the way yet, still not satisfied with the bass output at all still. The stock head-unit still sounded much much better, and much much louder. A little upset, wrx-killer-sti was actually very very helpful and even helped me over the phone. He even got on my ipersonalized and help me adjust the settings. Here are the settings, lmk what u think, suggestions too. Bass sounds too flat right now and it just does not sound right at all. Front speaker bass still coming out causing distortion at high volumes.

Here they are...


Main User Info Let me know if u can't read it..



Confirmation box of settings



Parametric EQ



Crossover Control



Let me know what I should change/adjust...Thanks

PS: Thanks wrx-killer-sti for helping me over the phone once again, I'll be getting some more of your help soon too. Just need to find time.

 

Its hard to tune a car off of what being told to you wish I was local so I could knock it out. I am going to florida in a week so I can stop by, let me know

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by wrx-killer-Sti eater &raquo;</TD></TR><TR><TD CLASS="quote">Its hard to tune a car off of what being told to you wish I was local so I could knock it out. I am going to florida in a week so I can stop by, let me know</TD></TR></TABLE>

You're driving?

 

alpine headunits will not ouput full 4v on the sub outs unless the sub control is turned all the way up - to about +15 iirc.

you want to get as much voltage as out can from the headunit and keep the amplifier gain as low as possilbe.

I'm assuming you have taken the loc out of the system correct? Just want to make sure.

 

I also remember when i had the "defeat" turned on in my 9835 it really cut out the sub output. I'm not sure if they have pointed you in that direction or not. But it is something to check and make sure it isn't turned on