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JBL MS-8 Processor Integration Thread
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06-18-2011, 11:36 AM | #375 | |
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Thanks for the offer, half a keg of Pilsener will do! (the other half for you)
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Mobridge DA2 > JBL MS-8 > ARC XDi 600/4 > JBL Gti 408 Mids & Vifa OT19 Tweeters; PG Ti2 1600.5 > Morel HCW-10 & IDMax 15
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06-18-2011, 12:05 PM | #376 | |
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OK, so I will just cut and paste from my post over at DIYMA.
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I also do not like to use too much EQ, since it chews up dynamic headroom of the processor, and IMO it is always better to use the amp gains to boost to the desired level, and then shave-off the peaks with the EQ, if necessary. Try it!
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06-18-2011, 08:32 PM | #377 |
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Finally decided to do this - Please help!
Logic 7, 2008 335xi, no navigation.
I have ordered the technic harness; JBL MS-8, earthquake SWS-8, 4ohm (in stead of Morel CW-8) and Dynavin E9x. I am waiting on Jason to get me the spacers for SWS. My questions: 1. What's your suggestion on a paticular model of amp to drive the SWS? If anybody on the board can sell me one directly please PM me model and price. 2. Seems like there is one tweeter added to the center. Any suggestions on which model should I get? Again, If anybody on the board can sell me one directly please PM me model and price. 3. This thread has been very beneficial to me except it does not mention anything about Dynavin integration. Is there anything in paticular about putting in the Dynavin to replace the stock radio during this integration process? What are the tweaks and caliberation to be done on the Dynavin HU? 4. One dumb question - the old stock amp inside the driver side truck will be completely removed, right? By doing that, I lose the door chime, etc. I have talked to a local installer who seems to know what he's talking about. Once I have all items ready I will have him do the wiring. So I am doing all the following except the Morel part--- Copy and paste of kaigoss69's route from the 1st post: "System Configuration #1c by kaigoss69: - Channels 1 & 2: OEM L7 door speakers (4" midrange and 1" tweeter) - Channels 3 & 4: Morel CW-8 woofers under seats - Channel 5: OEM L7 center 4" midrange with 1" L7 tweeter added - Channels 6 & 7: OEM Rear Deck speakers & Rear side speakers in parallel - Amplification: MS-8 internal amp for channels 1, 2, 5 - 7. Ch 3 & 4 externally amp'ed with 150W/Ch." --------------------------------------------------------- |
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06-18-2011, 10:08 PM | #378 |
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1. JL Audio XD400/4 or Kenwood XR-4S would be my recommendations. These are 4-channel amps but you can bridge them to output two channels and you will have a lot more flexibility if/when you decide to upgrade.
2. Get a Logic 7 tweeter from BMW. It will be cheap and is plug&play. You will have to fabricate a bracket for it. 3. As long as you understand the disadvantages of replacing the OEM HU, and removing it from the car, it will work just fine as far as interfacing with the MS-8 goes. You will need to run one pair of RCA cables and a remote wire from the Dynavin to the MS-8. Make sure all processing is off. You can skip input set-up on the MS-8 (since the input signal is flat and unprocessed). 4. I am not 100% sure but I believe that with the OEM HU gone, there is no need for the Logic7 amp.
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06-18-2011, 10:18 PM | #380 |
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does this tweeter work?
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06-18-2011, 10:36 PM | #381 | |
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06-19-2011, 11:17 AM | #382 |
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06-19-2011, 11:20 AM | #383 |
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What difference in results do you note when running it at different DB levels
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06-19-2011, 11:48 AM | #384 | |
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06-19-2011, 12:39 PM | #385 | ||
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06-19-2011, 02:04 PM | #386 |
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I've never had the problem you guys are talking about, but I always lower the volume before calibration to 50% of the out-of-box level.
The sub should never be "time aligned" since it's the farthest speaker from the driver in the car - so all the other speakers are delayed in time to match it. If the MS-8 doesn't "hear" any sub notes, I wonder if the MS-8 isn't delaying the fronts as much, and so the sub-bass is arriving with a different phase relationship to the fronts as a result. |
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06-19-2011, 02:07 PM | #387 |
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06-19-2011, 02:14 PM | #388 | ||
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You can, if your amp(s) will allow you to. What amp(s) do you have for the underseats and sub?
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06-19-2011, 02:20 PM | #389 | |
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MS-8 does not TA the sub. Farthest speakers are the rears/sides, and TA is zero'ed in on them.
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06-19-2011, 03:41 PM | #390 | |
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Although, you could use Y adapters to spit the signal going to your underseat woofers and use the JL amp to low pass your underseats and the Alpine to highpass your trunk sub. |
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06-19-2011, 04:36 PM | #391 | |
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Kaigoss and eMoon are advocating doing exactly the opposite Last edited by taibanl; 06-19-2011 at 05:59 PM.. |
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06-19-2011, 04:39 PM | #392 | |
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The underseats are powered by four channels of my XD600/6 Last edited by taibanl; 06-19-2011 at 04:46 PM.. |
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06-19-2011, 04:40 PM | #393 |
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I've noticed on the first sweep the underseats play, on successive sweeps only the sub plays. Weird.
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06-19-2011, 04:45 PM | #394 | |
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06-19-2011, 05:35 PM | #395 | |||
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It seems the sweeps from a small sealed sub enclosure are perhaps too peaky, and it messes with the results, especially when the sweeps from under the seats are peaky as well. Since MS-8 supposedly matches levels to the sweep peaks, I can easily see how the autotune EQ will quickly run run out of steam, as it may not have enough headroom available to properly match the "valleys" as well. And if that is what is going on, then the problem is not caused by the processor, but rather by the application.
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06-19-2011, 05:42 PM | #396 |
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Honestly, it took me 20 mins to do this. Compared to the hours of calibrations I had done before, it was a big time saver for me.
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