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Premium Member
2015 XC diesel CVT
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Discussion Starter · #1 ·
The '09 audio system isn't great. We know that. But what makes it tick?

Well, it's got an active sub on a dedicated output. And I really don't think much of the sub. So, I replaced it with an old Pioneer TS-LX80II that I've had kicking around. Better, but not the night and day transform I was hoping for.

Seems that even with SRS off, the HU has some weird contouring going on. I haven't quite worked out what or where yet, but I *can* say that the sub out isn't a standard stereo line-out. It *might* be a balanced output as putting either feed into the Pioneer works, but putting both in makes a nice silence...

Before doing that tho, I had a snoop ant the old'un; wondering if there were any presets to twiddle.

Nope.

But here's some pics for ya audio pornographers. Check out the drive unit- 0.9ohms and allegedly 120W. It's a long throw piston jobbie; but the suspension is pretty damned stiff.




 

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The Sub kit guy
2005 Forester X & XT VF39
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13,008 Posts
Thansk for posting those pix!

That is one pathetic looking "sub". Since the unit is rated at 120w, I guarentee it is the peak rating. Peak is generally 4x the RMS, so your looking at a 30w RMS amp tops.
 

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The Sub kit guy
2005 Forester X & XT VF39
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It is under the seat.

I messed with an 09 a bit, and unlike the 98-08 Forester, the side pockets in the hatch are molded into the panel. There is a TON of fender space to do a sub kit on either side, but the molded pocket would have to be cut out and a grill added. I'm not sure how many people want to hack up a brand new car, but if someone does, I'd gladly do it.
 

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2000 GT
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53 Posts
Stereo n00b here

What are the options on replacing it without having to add an amp? Are there options? You say you added an old Pioneer unit....
 

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Premium Member
2015 XC diesel CVT
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4,053 Posts
Discussion Starter · #6 ·
yup. There are other self-powered underseat subs around too; Blaupunkt and Clarion spring to mind.
 

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2000 GT
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53 Posts
Cool will check them out. What would they plug in to though? Looking at the pic of the stock sub, its not your traditional white and red wires....
 

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2015 XC diesel CVT
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Discussion Starter · #8 ·
If you can't work out what the wires are for, best consult the manual or have someone who understands do the install. The wires are supply, ground, remote on, and signal...
 

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2000 GT
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53 Posts
Ah of course! It needs power to the amp, of course its not normal speaker wire running straight in to it! :icon_redface:
 

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1996 SVX
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473 Posts
I zoomed in to the picture of the PC board and noticed for the first time that it has a fuse (10 Amps?).

DPM, what are the labels near the pins for the harness that connects to the car? I can see "GND" for the black wire. Really curious to see how they labeled the signal wires.

And is that a microphone at the opposite edge of the board? According to the thread on scoobymods, the older style under-seat sub had one.
 

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2007 Forester
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92 Posts
Thansk for posting those pix!

That is one pathetic looking "sub". Since the unit is rated at 120w, I guarentee it is the peak rating. Peak is generally 4x the RMS, so your looking at a 30w RMS amp tops.
Pathetic was also the first word that came to my mind when I saw this!
 

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All the pictures I have seen online of the 2009 sub have been a square enclosure. I guess they are just using older subs pictures. Even the picture on Subaru's site has square sub.

The guts of that powered sub look pathetic. A 10 amp fuse? I agree with sea-scooby. I would guess that it is 25 - 30 RMS. That is a very small magnet on that speaker as well... What are dealers charging for that?
 

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2018 2.0 FXT-Touring CVT
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All the pictures I have seen online of the 2009 sub have been a square enclosure. I guess they are just using older subs pictures. Even the picture on Subaru's site has square sub.

The guts of that powered sub look pathetic. A 10 amp fuse? I agree with sea-scooby. I would guess that it is 25 - 30 RMS. That is a very small magnet on that speaker as well... What are dealers charging for that?
$75 would be too much, but we all know that the dealer is charging 3-4x as much.. easy.
 

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I just recently installed a Subaru 09 sub and it doesn't look anything like what you posted. Mine is square, and has a Panasonic sticker on it.

I didn't take mine apart to see the guts, but from the outside it looks MUCH more robust than what you pictured.

I'm sure there are better after market options available, but I'm very pleased the the 09 sub that I installed. The plug and play aspect was nice also.
 

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I just recently installed a Subaru 09 sub and it doesn't look anything like what you posted. Mine is square, and has a Panasonic sticker on it.

I didn't take mine apart to see the guts, but from the outside it looks MUCH more robust than what you pictured.

I'm sure there are better after market options available, but I'm very pleased the the 09 sub that I installed. The plug and play aspect was nice also.
The above pictured sub is also Panasonic. The "EAS16P" on the speaker is a standard National (Panasonic/Matsu****a/Technics) designation.

Unless you look at the insides there really is no way to confirm if it is different. Ultimately if you are pleased that is all that matters.
 

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1996 SVX
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473 Posts
Here's a picture of the internals of Subaru's older "square" sub:
WRXSub_internal_166.jpg
(click to see larger image)​
The PC board has a comparable amount of components as the 2009 sub. And the T-harness for the older subs also use a 10 Amp fuse (in an inline holder right behind the HU). Subaru claims those are either 80 or 120 Watts (depending on model).

So I don't think the new one is very different.
 

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2009 Foz
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52 Posts
dpm, what's the part number on the one you took apart? I just installed a 2009 oem sub I got off ebay. It was the square sub, and the part # was H630SSC000, which according to everything I can find is the correct pn. Everything was plug and play w/no problems. Anyone else get a square one? Just wondering if I bought the "old" sub.
 

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2015 XC diesel CVT
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Discussion Starter · #20 ·
SW has p/no 86301SC340 according to the database, but my one isn't easily accessible to confirm, sorry.
 
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