Phantom240

Here's the skinny. I have a 94 Prelude VTEC, and while I'm waiting on a couple parts to come in so I can daily drive it, I'm gonna start transferring over some of the audio stuff from my old car. I had a couple questions about how the system works from the factory. It has an aftermarket 6x9 where the factory one used to sit, and it's powered by the factory amp.

I want to replace this subwoofer with one of my choosing, but I don't know what parameters to look for. Is the factory unit a 2ohm, 4ohm, or 8ohm woofer? Also, how does the factory amp work, as far as getting a signal?

mooncaller

I believe someone earlier said that it is a 2 Ohm. Not sure though, but I recall someone saying that in another thread.

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'94 Prelude Si (Heavily Damaged)
'93 Prelude VTEC (Work in Progress)
TrackBuilt

Phantom240

Good good. I'm hoping to put together in one thread as much info about the factory subwoofer as possible. Anyone have anymore info to contribute?

jkoni426

pretty sure it works by pulling a signal (positive or negative) from each of the rear speakers, for example pulling the postive from the right rear, negative from the left rear or vice-a-versa.

there's a small amp below the speaker that powers it. pretty sure it's 2 ohm also.

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'96 VTEC Azure Blue-Green Pearl- daily
'96 Si Azure Blue-Green Pearl- sold

"The value of life can be measured by how many times your soul has been deeply stirred."

-Soichiro Honda

S-LudeDan

yeah, that would be a nice thread! I'm sure you already know that USDM and JDM woofers have differences, maybe pin-outs? I also have some photos and diagrams to add whenever you make that thread.

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red92si

The OEM subwoofer is a 2-ohm 30watt unit. Replacements are hard to find and if you go through a dealership it'll cost over $200.

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Tyler

Phantom240

Any info you can contribute would be excellent. I wasn't aware that the USDM and JDM (possibly UKDM and other EDM) had differences either. I've only owned my Prelude for a week now haha. Might you have schematics/diagrams of how the system works?

Awesome

red92si

I believe the only difference is that JDM/EDM woofers have an additional wire to the amp. I am unsure what it is for. Possibly something to do with the optional DSP sound system sending a signal to the amp as in addition to the amp receiving signal from the two rear speakers.

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Tyler

el_baby

i opened the amplifier, and the wire that dont connect to nothing i believe it says 'mute' in the back.
DSP Surrond Sound System 4th gen.

red92si

Very nice info.

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Tyler

S-LudeDan

thanks for the link!

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asianboy781

i just bought a used one with the bracket and aftermarket speaker
now im planning on running a kenwood mono amp to this speaker since i got it lying around the car came with factory 6.5 inch speakers im pretty sure those r done
i want to avoid having a big heavy box in my trunk taking up spaces
all i want is a little thump

Phantom240

I replaced the subwoofer yesterday when I changed my radio and put 6.5" components up front... man that thing's a pain in the ass.

asianboy781

mind on giving the info on the speaker size and brand and how they fit how was the sub did it sound good?