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-   -   E70 Sub/Amp Install DIY (sort of) (https://xoutpost.com/bmw-sav-forums/x5-e70-forum/80297-e70-sub-amp-install-diy-sort.html)

AhRuntha 07-30-2017 03:04 PM

Ok I just uploaded through google photos.
https://photos.app.goo.gl/au6Lq7h3tHtajn2m1


Sent from my iPhone

Entropy 07-30-2017 07:16 PM

Thank you! Just to clarify, you can still leave the OEM subwoofers hooked up when using the line converter right?

AhRuntha 07-30-2017 07:43 PM

Yea u can still leave it hook up. The way I did it was set up my amp to the max for the bass but I have a bass control knob for my amp so I can adjust it to the level I want while driving n have my tweeters set up at a high good level

Entropy 07-30-2017 10:43 PM

Quote:

Originally Posted by AhRuntha (Post 1113714)
Yea u can still leave it hook up. The way I did it was set up my amp to the max for the bass but I have a bass control knob for my amp so I can adjust it to the level I want while driving n have my tweeters set up at a high good level

Awesome. Good to know. The OEM subs plus the ported enclosure I'm building will be a good balance of mid-bass and lows.

mharris2007 07-30-2017 10:58 PM

Quote:

Originally Posted by AhRuntha (Post 1113705)
Ok I just uploaded through google photos.
https://photos.app.goo.gl/au6Lq7h3tHtajn2m1


Sent from my iPhone

Awesome!!! Thank you a million times!!!!!! I'll take some pics of my setup and share on this thread as well. Can't thank you enough.

Matt

Entropy 08-01-2017 12:40 PM

Quote:

Originally Posted by Entropy (Post 1113700)
Another question, is it possible to pick up the INPUT signal to the amp, rather than picking up the subwoofer outlet signal? From an SQ, perspective, it would be ideal to pick up the raw signal before it has passed through an equalizer and suffered amplifier distortion.

Quote:

Originally Posted by mharris2007 (Post 1113702)
This isn't possible from What I understand because the signal From The hu isn't optical, not analogue.

Following up on this, I asked Technic PnP about this and they said that the signal is a proprietary digital signal that comes from the head-unit, not a traditional analog. It's possible to grab this signal and convert it to a traditional analog signal via a mObridge MOST converter. This, however, does not allow use of the factory amp.

Also, just and FYI, according to Technic PnP, the factory amp starts dropping off around 30hz.

Mainiac 03-29-2018 10:19 PM

Quote:

Originally Posted by AhRuntha (Post 1113705)
Ok I just uploaded through google photos.
https://photos.app.goo.gl/au6Lq7h3tHtajn2m1


Sent from my iPhone

This thread was a great read but would be great if any of the links worked after all these years. Can anyone provide updated links to photos and wiring diagrams? Was there any reason not to use the high level auto on feature on the amp? Thanks.

Also to those who have added a sub, is it a worthwhile upgrade for the Top Hi-Fi system, or would I be better off putting it into my old VW or Toyota with "premium" sound? I also have a JL 500/1 V2 amp to install, but with a 10" Infinity Kappa Perfect VQ.

mharris2007 03-29-2018 10:34 PM

Quote:

Originally Posted by Mainiac (Post 1131803)
This thread was a great read but would be great if any of the links worked after all these years. Can anyone provide updated links to photos and wiring diagrams? Was there any reason not to use the high level auto on feature on the amp? Thanks.

Also to those who have added a sub, is it a worthwhile upgrade for the Top Hi-Fi system, or would I be better off putting it into my old VW or Toyota with "premium" sound? I also have a JL 500/1 V2 amp to install, but with a 10" Infinity Kappa Perfect VQ.

The links provided above show the wires to tap very clearly. I used those diagrams for my hi to low converter and it worked out great.

https://s26.postimg.org/own55ft3t/49...42168_B7_B.jpg

Mainiac 03-31-2018 10:04 AM

Links are dead, thanks for the photo. I have 3rd row so unfortunately can't use that space.

mharris2007 03-31-2018 01:26 PM

Quote:

Originally Posted by Mainiac (Post 1131856)
Links are dead, thanks for the photo. I have 3rd row so unfortunately can't use that space.

You’re right. They are dead. Let me see if I can snap a picture of mine and upload it.


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