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Audio help for a beginner?

Originally Posted by swj123 Well after much research I ended up getting the Focal 165FX's with the Focal Solid 2 Amp. I also took the advise of many to Dynamat

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Old 02-08-2015, 11:36 PM   #1 (permalink)
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Originally Posted by swj123 View Post
Well after much research I ended up getting the Focal 165FX's with the Focal Solid 2 Amp. I also took the advise of many to Dynamat the doors. I ordered the speakers Thursday from ABT in Chicago and and they arrived Friday. Free shipping. I also got the spacers from zenenclosures. They worked great. Just finished getting everything back together and it sounds nice. The factory speakers I pulled out were cheap crap. I couldn't believe it.
Anyway here is my question for anyone out there tonight.

On the Focal amp there are 3 controls
1 Gain - I can handle that
2 Crossover- HPF-FULL-LPF Not sure on this setting with my setup
3 FREQ- 50-150 HZ Not sure on this either

On the Crossovers I left them at the factory settings.
Tweeter=0db
Woofer=High

Thanks, Mike
Speakers look good man, those are some beefy spacers!

I'll let someone else handle the question you just posted, but FWIW, when we are talking about dynamat for the doors, it's the outer door skin you want to do. That's where the majority of the sound waves will be hitting, that's what's going to resonate the most, and that's what is going to improve your SQ most noticeably.

In order to do this, you need to remove the window glass from the door, then remove that metal piece you covered in matting. That will give you access to the outer door skin. The piece you did matting on doesn't resonate much, it's pretty heavy gauge and secured quite well. I'm not saying don't do ANY dynamat on it, but a couple strips is more than sufficient.

I realize at this stage this is hardly good news, but if you want to do it right, this is the way to do it. The FSM has all the details for complete door disassembly. For reference, here are some pics:


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Old 02-09-2015, 12:17 AM   #2 (permalink)
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Wow, I should of done more research. I guess I just went by the Sticky in this Forum by Slik Nic. Going to have to be good enough for now. I'm spent working on this all weekend. But... when the weather gets nice I can do it up right. Thanks for your input.
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Old 02-09-2015, 12:25 AM   #3 (permalink)
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Originally Posted by swj123 View Post
Wow, I should of done more research. I guess I just went by the Sticky in this Forum by Slik Nic. Going to have to be good enough for now. I'm spent working on this all weekend. But... when the weather gets nice I can do it up right. Thanks for your input.
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Old 02-09-2015, 05:41 AM   #4 (permalink)
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Use HPF on your components and LPF on your sub and tune accordingly. Full allows all frequencies to pass through all your speakers. I'm sure Ron would be able to explain it better for you though
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Old 02-09-2015, 06:52 PM   #5 (permalink)
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Ok after adjusting a little today here is what sounds best to my ears.

On the Focal amp there are 3 controls
1 Gain - Turned up about 1/4 way
2 Crossover- FULL - When I set it at High Pass Filter I lost some lows.
3 FREQ-

On the Crossovers I changed the Tweeter from 0db to -3
Tweeter=-3
Woofer=High

Listening to Dire Straits it sounds pretty darn good on usb mp3. I have XM but the quality is pretty bad the last few years on the channels I listen to. 25, 26 etc. Usually don't even listen to XM anymore.

I stream Spotify from my S5 on bluetooth and that sounds great. So far I am happy with the Focals. And the Dynamat did quiet things even though I didn't do it the best way.
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Old 02-09-2015, 04:22 PM   #6 (permalink)
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In reading over the thread again I notice that you have decided to run without a sub. If that's the case, you can certainly leave your crossover at Full, which will feed the components 20hz to 20khz. they are spec'd at 55hz to 20khz, if I'm not mistaken.
Typically your sub would handle the frequencies from 20 to 63hz, and your components will take over at 63hz to 20khz. Since you will be feeding your components frequencies lower than they are spec'd to reproduce, you may want to go easy on the gain control, so as to not overpower them in that range.
If you were to cross them at 63hz without a sub, you will be missing a few octaves below 63, which will bother you if you are picky.......

I suggest this.....Set your crossover HP on your amp at around 60 to 80hz. give it a listen. If it sounds good to you, leave it. If it sounds to you like it is missing something in the low end, switch it back to Full
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Old 02-09-2015, 05:03 PM   #7 (permalink)
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Not exactly what I was referring to. I meant on the Hertz speaker grills themselves. Since the grills do not get used in a door mounting, I used the grills as spacers behind the drivers. All the factory mounts remained unchanged.
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Old 02-09-2015, 05:08 PM   #8 (permalink)
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That being said, I will be removing the factory mounts, and building a custom set with fiberglass for whatever I chose to install next. I may be stepping up to the hertz mille set, I'm not sure.
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Old 02-09-2015, 05:55 PM   #9 (permalink)
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Gotcha, that makes sense. I'm retaining the factory ones only because they are already engineered to keep water off the components.

I have the Mille tweeters (newest generation, ML280.3) on order now that they are finally here in North America, I'll let you know my impressions of them. Obviously I couldn't audition these ones as even dealers don't have the samples here just yet, but I loved the 280.2's and the specs on these one are an impressive upgrade.
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Old 02-09-2015, 06:09 PM   #10 (permalink)
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Sub'd for your feedback on those tweeters
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