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They have aggressive high pass filters. They can be disabled in FORScan, you can set the rears to Speaker and tweeter instead of Tweeter Only. This will lower the the high pass. I would only do this if you replace the rear speakers. Non B&O Measurements

Midbass in the doors, not great, who would have known. I might be a bit overly critical, for the most part they are great, but on certain songs with lots of info in the lower midbass range, they get a little unhappy, and vibrate the door panel. I thought I could live with the compromise, but I...

If this is a Non-B&O then the door and dash speakers are powered off the same channel. If it is B&O then the tweeters are powered off of the B&O amplifier.

No noise issues what so ever at any volume or speed. I am using guitar wire for RCAs which have a fairly large insulator between the shielding and the center conductor. I have this issue where the remote cuts out when I turn off the ignition. I will investigate and update this. Thank you for...

Make sure to decouple the plastic panels. 3M Thinsulate works great which also doubles as a sound absorber. Or any sort of foam with adhesive also works. Adding CLD to the backside of plastic panels also reduces the tendency of the panel to rattle.

The larger black module slides on the bracket, then there is a clip to keep it from sliding off. Reach behind the bracket, depress the tab, then it will slide off. The old Forscan spreadsheet had the AS Built values, not sure why those were removed. I thought I downloaded a copy but I cannot...

$60 for a box of resistors? I will order some 50W resistors and put them in. I don't remember if I disabled the rears, I will check that. Thanks for the input.

From what I know, Keyloc fixes the output response, which more or less is fixing the input plus environmental issues. On Sync4, it starts to clip at 25, but I don't try to go over 20 as on prolonged listening sessions it will glitch and audio will cut out. It will reset after being powered off...

No, with EQ off, which I think most refer to as flat, is not actually flat. There is still a shelf around 120-150Hz. Most of the time this is not an issue for those adding just a subwoofer as the new amplifier can overcome that drop. But if you replace all speakers and add amplification on all...

Sub grill / cover needed some attention. Covered the top of the enclosure in felt as a decoupler. Then wrapped the cover panel in vinyl. It has been awhile since I wrapped anything, and it was a bit more tedious than I remember. Cut out the holes for the grill bars. Installed the grill...

Got some finish work done. First was to print some new dash baffles to prevent warping. I guessed on how much room I had, so some slight modification of the braces was needed. Filled with duct seal to add mass. Then some CLD light to add a skin to keep everything in place. Painted to...

The harness at the PCM is the same. The PCM is different, and the 25s use 2 connectors, but the main harness will work.

Met up with a local who I met at a competition a few years ago to get some feedback. There were things I noticed but didn't know what to attribute them to. I gained a lot of feedback, insight on how to approach fixing them, and other tips and tricks, it was very beneficial. Thee biggest issue...

Thanks. I played around a lot with aiming. I first had the tweeters pointed at the opposite pillar, and although it did not sound bad, the tweeters rolled off really early, around 5K with an around 6dB slope, then a dive at 14K. There is a lot of information that adds detail in that upper range...

Here are the measurements from REW, rename to .mdat to open. The midbass drivers play plenty high enough for a 2 way. When I have time I will tune with a 2-way front just to see the difference.

Left midbass raw (40hz hp xo): Left midbass final: Right midbass raw (40hz hp xo): Right midbass final: Sub (45hz low shelf boost): Sub final: All:

After tuning and listening, I ended up with crossovers at 95-300-2500. The impact of the bass was not where I wanted it at anything lower than 95. The issue that arises is that the higher bass frequencies can create a bit of a drone, but 95 Hz seemed to be the best middle ground. I listen to a...

Been busy, but do have some progress. The pillars took me awhile to come up with something that I liked how it looked and did not obstruct my view. Luckily there is nothing behind the pillar on the lower portion. Yeah, it would have been nice for image height to have them higher, but it is what...

I did not add anything that will block sound. I perceive it to be quieter but I did not have any back to back comparison, so not sure. I do have a few plans to try and reduce tire noise, which is the cause for most of the noise. The one thing I notice the most is how dead the interior is...

I wanted to the the PSC installed to have control over the PS8-Pro. This was the test print out of PLA, just to make sure dimensions were good. I do not love how it looks but it works for now. There are lower hanging fruit that need to be buttoned up before I worry about this. I didn't want to...