|
|
|
|
|
|
BMW Garage | BMW Meets | Register | Today's Posts | Search |
|
BMW 3-Series (E90 E92) Forum
>
Lesson learned don't cheap out (MB Quart Rant)
|
|
07-06-2015, 09:44 PM | #23 | ||
Brigadier General
593
Rep 4,393
Posts |
Quote:
__________________
< Click picture for photoshoot
E90 335i xDrive 6spd, Nav, Prem, Cold Weather, & Sports package - Msport Conversion Mods: JB4 + MHD, Doc Race ST, Pure 6266, AD-Eng PI/Mounts, Fuel-It st. 3, Custom Exhaust, Tuned by TwistedTuning More Pictures: Build Thread /// 683AWHP/675AWTQ |
||
Appreciate
0
|
07-06-2015, 09:56 PM | #24 |
Banned
2133
Rep 3,553
Posts |
I've seen good reviews on them and I've heard them used as woofers (80-250ish hz) and they sound good. Have to make sure they are sealed properly in the underseat enclosures, and that they clear the grills. Also, don't try to over power them and they won't lose quality at higher frequencies.
I have a ton of experience with woofers and sub woofers. You can make almost any sub woofer play higher frequencies with proper tuning and enclosures. |
Appreciate
0
|
07-06-2015, 11:33 PM | #25 | |
Brigadier General
593
Rep 4,393
Posts |
Quote:
Edit: actually just read that link and for $75 might just let the shop do it if they use an oscilliscope
__________________
< Click picture for photoshoot
E90 335i xDrive 6spd, Nav, Prem, Cold Weather, & Sports package - Msport Conversion Mods: JB4 + MHD, Doc Race ST, Pure 6266, AD-Eng PI/Mounts, Fuel-It st. 3, Custom Exhaust, Tuned by TwistedTuning More Pictures: Build Thread /// 683AWHP/675AWTQ |
|
Appreciate
0
|
07-06-2015, 11:44 PM | #26 | |
Major General
236
Rep 5,117
Posts |
Quote:
Earthquakes won't sound very good above 80-100hz since they are not designed for midbass. Morels can play down to 150hz easily which is where mine are crossed at. Some people have them playing even lower than that (around 120hz). The crossover that come with the morels are only for the mid and tweeter crossover point. You need to set a high pass for the morels and a low pass for the underseats at whatever frequency you decide to cross them at. It is best to cross them as low as possible. If you set the gain with the headunit at 75% the headunit should not be clipping. The stock headunit will clip at max volume. If the amp is clipping that means it is not powerful enough. I usually only set the gain on subwoofers with a multimeter and set the rest by ear with the headunit near max volume. |
|
Appreciate
0
|
07-07-2015, 12:54 AM | #27 | ||
Brigadier General
593
Rep 4,393
Posts |
Quote:
__________________
< Click picture for photoshoot
E90 335i xDrive 6spd, Nav, Prem, Cold Weather, & Sports package - Msport Conversion Mods: JB4 + MHD, Doc Race ST, Pure 6266, AD-Eng PI/Mounts, Fuel-It st. 3, Custom Exhaust, Tuned by TwistedTuning More Pictures: Build Thread /// 683AWHP/675AWTQ |
||
Appreciate
0
|
07-07-2015, 01:56 AM | #28 | |
Captain
29
Rep 609
Posts |
You're much better off going with what bmw325i said and just play the Morels as low as possible. 150hz or 120hz.
Earthquakes at 120hz and below. Quote:
Do it right the first time and you don't have to buy and re-buy gear |
|
Appreciate
0
|
07-07-2015, 12:02 PM | #29 | |
Brigadier General
593
Rep 4,393
Posts |
Quote:
For gain I guess I can try following the link that was posted by CSU Edit: So i'm still a bit confused about gain setup... If I understand correct I am looking to get each channel to 14.1 volts when it's 3/4 volume (read somewhere else this is 38 clicks)? I read the xd600/6 manual and that's what it lists as target voltage for 2 ohms Sorry for all the questions... This is the first car i've done aftermarket stereo on and this time around want it all setup right
__________________
< Click picture for photoshoot
E90 335i xDrive 6spd, Nav, Prem, Cold Weather, & Sports package - Msport Conversion Mods: JB4 + MHD, Doc Race ST, Pure 6266, AD-Eng PI/Mounts, Fuel-It st. 3, Custom Exhaust, Tuned by TwistedTuning More Pictures: Build Thread /// 683AWHP/675AWTQ Last edited by psmitty95; 07-07-2015 at 12:43 PM.. |
|
Appreciate
0
|
07-07-2015, 01:58 PM | #30 |
Captain
29
Rep 609
Posts |
Well, you're leagues ahead of us in terms of your exterior and powertrain mods
Not knowing exactly what you installed or have for amp / cleansweep / dsp / etc... What you said should be a good start. Personally, I've been converted to the "don't bother upgrading rear speakers" crowd. Honestly, you'd never know the difference in daily listening and if you did hear them, then you're doing yourself a disservice since that's pulling audio focus instead from in front of you, to behind you. You don't go to a concert to listen to the group behind you. If you were going the more advanced route, you'd have a DSP and individually active speakers for the 4" and tweeters up front, so you could more precisely control how the sound hits you. This would potentially allow you to create a more centered effect akin to having the singer in front of you on the dash. Buuut, I'm thinking that's a bit beyond what your goals are. |
Appreciate
0
|
07-07-2015, 04:06 PM | #31 | |
Brigadier General
593
Rep 4,393
Posts |
Quote:
__________________
< Click picture for photoshoot
E90 335i xDrive 6spd, Nav, Prem, Cold Weather, & Sports package - Msport Conversion Mods: JB4 + MHD, Doc Race ST, Pure 6266, AD-Eng PI/Mounts, Fuel-It st. 3, Custom Exhaust, Tuned by TwistedTuning More Pictures: Build Thread /// 683AWHP/675AWTQ |
|
Appreciate
0
|
07-07-2015, 04:59 PM | #32 |
Banned
2133
Rep 3,553
Posts |
Quote:
But if they are going to use an o-scope to set up the amp for $75, thats the best way to do it. Thats how I use to set mine up, but O-Scopes are expensive. Im still standing by that the earthquakes could play higher if you install and seal them up properly. One thing I havent heard you mention though is if you are going to have a dedicated sub. If you arent, then the earthquakes are going to have troubles playing 20hz up to 200hz as most speakers would. If you are, then high pass the earthquakes above where you crossover your sub and they shouldnt have issues. You can always try it out and see how it sounds. |
Appreciate
0
|
07-07-2015, 05:08 PM | #33 |
Captain
29
Rep 609
Posts |
Did you start with the HiFi audio? or Base Audio?
Wondering, because if you started with the Base Audio, you'd ideally want something along the lines of JL's Clean Sweep to flatten the audio you're amping. HiFi audio would be flattened already, then processed by the car's existing amp/dsp. Base audio doesn't have an amp, so the head unit does some processing by boosting the Treble and Bass signals to the speakers. The easy way to tell the difference is if you already had an amp in your trunk prior to your upgrades. And yes, the gains should be a good starting point, though I'd personally start out a little lower. Reason why I mention it, is that if you were starting with the Base Audio, you'd then be taking an already amped Treble and Bass signal and then feeding that into the amp to be amped further, likely overdriving your speakers. |
Appreciate
0
|
07-08-2015, 12:05 AM | #34 | ||
Brigadier General
593
Rep 4,393
Posts |
Quote:
As of right now i'm planning on trying to seal up the Earthquakes really well and have them set to LP around 135 ish then have the Morels & OEM rear HP to around that maybe a bit higher as well. That would be ideal, right? For the 3/4 yea I was gonna say I did 38 clicks today while driving and there was no way that was 3/4 volume... The guy who posted that when I read it must have had a different setup or something. I'll get it to max volume then just back it off a bit and set them to 14.1 V. I'll call the shop and see if they were going to use an oscilliscope for $75 but who knows. All the guy said was depends how complicated the amp/processor setup was and when I told him it was just a 6 channel JL he said probably an hour labor which is $75 Quote:
__________________
< Click picture for photoshoot
E90 335i xDrive 6spd, Nav, Prem, Cold Weather, & Sports package - Msport Conversion Mods: JB4 + MHD, Doc Race ST, Pure 6266, AD-Eng PI/Mounts, Fuel-It st. 3, Custom Exhaust, Tuned by TwistedTuning More Pictures: Build Thread /// 683AWHP/675AWTQ |
||
Appreciate
0
|
07-08-2015, 01:24 AM | #35 |
Major General
236
Rep 5,117
Posts |
The earthquakes might be 2ohm depending on which ones you got, but the Morels are 4 ohm.
As far as setting the gain I wouldn't go too close to max volume on the headunit because the stock headunit will clip before you get to max volume. If you set it around 3/4 volume you won't ever turn up the headunit high enough for it to clip. I usually start by setting the gain on the front speakers by ear as loud as I can tolerate and at the highest volume I want to go on the headunit(my aftermarket headunit doesn't clip even at max volume so I set it just under that). Then with the headunit set at the same volume I set the gain on the underseats and subwoofers using a multimeter. |
Appreciate
0
|
07-08-2015, 10:18 AM | #36 | |
Brigadier General
593
Rep 4,393
Posts |
Quote:
__________________
< Click picture for photoshoot
E90 335i xDrive 6spd, Nav, Prem, Cold Weather, & Sports package - Msport Conversion Mods: JB4 + MHD, Doc Race ST, Pure 6266, AD-Eng PI/Mounts, Fuel-It st. 3, Custom Exhaust, Tuned by TwistedTuning More Pictures: Build Thread /// 683AWHP/675AWTQ |
|
Appreciate
0
|
07-08-2015, 12:19 PM | #37 |
Brigadier General
593
Rep 4,393
Posts |
Quote:
__________________
< Click picture for photoshoot
E90 335i xDrive 6spd, Nav, Prem, Cold Weather, & Sports package - Msport Conversion Mods: JB4 + MHD, Doc Race ST, Pure 6266, AD-Eng PI/Mounts, Fuel-It st. 3, Custom Exhaust, Tuned by TwistedTuning More Pictures: Build Thread /// 683AWHP/675AWTQ |
Appreciate
0
|
07-08-2015, 01:15 PM | #38 | |
Mr. Nice Says Hello
646
Rep 16,662
Posts
Drives: BMW M3 | X5 xdrive 35i MSport
Join Date: Dec 2008
Location: USA
|
Quote:
OP, sorry to hear about your issue with MB Quart, I will send you a pm and see if I can assist you in any way. |
|
Appreciate
0
|
07-08-2015, 01:16 PM | #39 | |
Brigadier General
593
Rep 4,393
Posts |
Quote:
__________________
< Click picture for photoshoot
E90 335i xDrive 6spd, Nav, Prem, Cold Weather, & Sports package - Msport Conversion Mods: JB4 + MHD, Doc Race ST, Pure 6266, AD-Eng PI/Mounts, Fuel-It st. 3, Custom Exhaust, Tuned by TwistedTuning More Pictures: Build Thread /// 683AWHP/675AWTQ |
|
Appreciate
0
|
07-08-2015, 01:17 PM | #40 |
Mr. Nice Says Hello
646
Rep 16,662
Posts
Drives: BMW M3 | X5 xdrive 35i MSport
Join Date: Dec 2008
Location: USA
|
|
Appreciate
0
|
Bookmarks |
|
|