Improving Upon the HK System
1.) Amp: I have an Amp that I believe is pretty good. Would I need to replace the HK amp or can you have two Amp's?
2.) Warranty: Will making this modification void any warranties? If so, is there anyway around it short of not doing it?
3.) Sub: Can I have two 10" sub's running (one Mercedes equipped HK & one aftermarket Alpine)?
4.) What will eliminate the crackeling that I hear when the system is cranked up to max and near max? Will an Amp swap do the trick?
5.) Is there anything else I need to know/consider before having a sound shop perform this upgrade?
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Thanks!
What if you added a better amp and 10" sub to replace the stock sub in the back? It would make for a clean install since you could use the stock sub location while adding much more bass to your tunes.
As for stereo shops, I hope you've done your research in them. Hopefully the installer can show you examples to show the quality of his work.
What if you added a better amp and 10" sub to replace the stock sub in the back? It would make for a clean install since you could use the stock sub location while adding much more bass to your tunes.
As for stereo shops, I hope you've done your research in them. Hopefully the installer can show you examples to show the quality of his work.
I believe the stock sub is the only speaker in the set that is not metal-coned. It's also the only one that has normal impedences (flashbacks of the Bose systems...).
-s-
I believe the stock sub is the only speaker in the set that is not metal-coned. It's also the only one that has normal impedences (flashbacks of the Bose systems...).
-s-
Not driving the amps is serious business in a car that gets driven around. In the desert or other areas of high heat, it's pretty easy to kill electronics.
The rest of the speakers are 2 ohm (some are wired to 3 ohm in the non-HK setup).
Incidentally, there's a retrofit for an additional fan for the audio gateway, for those who live in warmer climates and who overdrive the amp. Killing the AGW is a pretty common thing these days, especially by those who think the car's stereo system is intended for listeners OUTSIDE the car.
-s-
The HK system is nice, but lacks clarity at higher sonic levels. I certainly was not expecting good bass reproduction at higher levels. I haven't studied the specifications of the HK system, but the subwoofer amp and speaker itself are inadequate if you listen to music requiring thumping bass.
Having always upgraded the systems in my previous cars, I almost expected to do the same here.
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The center channel shrill, nasal sounding upper midrange is the real culprit. It is outwardly bad, while the bass is primarily subtractive in its errors.
I would still recommend moving the balance to the rear of the car. I think you'll find the sound better overall, and there will be a bit more bass. The system sounds like garbage with the crosshair centered.
Audiophiles are a dying breed.
Mercedes should be more interested in a flat frequency response (which they've missed anyway) and clear, detailed sound. If you want to go well beyond that with an extra 50db of booming bass, it should be up to you to go buy your own ghetto blasting trunk junk.
Then, if you ever take your car from out of the garage and drive it, the background noise affects the sensitivity of your hearing at certain frequencies... so much for "audiophile".
Clear, detailed sound is a fine goal. But a flat frequency response is probably unachievable except in a car that never moves from a quiet garage.
-s-
About two thirds volume and above, the quality seems to diminish and begins to get very sloppy, particularly on the mid to low end. Granted the sub if configured as a free air and one shouldn't expect such accuracy. A think a bit more accuracy and control in the mid-bass (maybe the woofers) would contribute to a more overall solid feel to the sound.
Another thing is the I seem to be reaching top volume far sooner than on other systems I've had. Maybe there's a gain adjustment for that somewhere, but I suppose it was limited in the first place cause that's what the speakers can handle. I think this becomes more of a problem as you vary your sound sources. iPods, Mp3 CDs/DVDs, bad reception radio are all going to start off lower than if your source is a production quality, store bought CD or satellite radio.
Personally, I don't want a rattling ghetto trunk with sub bass, but I would have liked it to go a bit louder, when needed, and be completely accurate throughout.
Again, I'm not saying that it is outright horrible. Just that just about every other part of the car outright impressed me and this fell a bit short of expectations.
i.e any adaptors, simply remove old sub. Where did you get the line for the amp signal, etc...
Thanks.








