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#1 |
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. CLA 250, 4MATIC |
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#2 |
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40 MPG is possible...
If I take the miles range 565 miles divided into 13.2 gal it's about 42 MPG, in real life I think I'm getting around 38 MPG at the gas station, because sometimes I just can't hold my self and I like to floor it down once in a while! ![]() D.
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. CLA 250, 4MATIC |
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#3 | |
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Quote:
That is a question for our friend CTScott I bet he knows! D.
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. CLA 250, 4MATIC |
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#4 |
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SQcomp, if you are out there and your friend willing to answer some questions about horns...
Is it a requirement for the horns to run parallel to the floor of the car, or can I install them slightly upwards, not much like 3 or 4 degrees? ![]() Thanks D.
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. CLA 250, 4MATIC |
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#5 |
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Roadrunner Jr.
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Let me forward the question...
I'm out in the back hills of Washington firing field artillery. The answers might be a little slow.
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“To argue with a person who has renounced the use of reason is like administering medicine to the dead.” ― Thomas Paine |
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#6 |
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Roadrunner Jr.
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I preferred not to be looking down the throat on any horn. Parallel to the floor seemed best.
The reasoning is the point source efficiency may over power your ears...also, watch yourself below 1k on the horns.
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“To argue with a person who has renounced the use of reason is like administering medicine to the dead.” ― Thomas Paine |
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#7 | |
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Quote:
I guess you are right, I've been reading a little bit and it seems that the horns need to run parallel to the floor. What do I need to be aware of below 1kHz? I hope you are having fun! D.
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. CLA 250, 4MATIC |
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#8 |
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Roadrunner Jr.
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Be ready to replace diaphragms if you go too low...
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“To argue with a person who has renounced the use of reason is like administering medicine to the dead.” ― Thomas Paine |
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#9 |
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The guy who sold me the Horns suggested to try from 600 Hz to 800 Hz and see how it sounds in my car, this suggestions are for the Full size bodies!
D.
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. CLA 250, 4MATIC |
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#10 |
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Roadrunner Jr.
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Have fun with it.
The horn bodies aren't what I'm concerned with. It's the movement on the diaphragm using lower frequencies... Think trying to play below 1kHz on a big tweeter and then compensating for the frequency response on the bottom end with EQ. I'm not saying below 1kHz can't be done, rather it may be more stressful than needed depending on the frequency response of your other speakers. Just be careful, that's all. I say start at 1kHz on a 24dB crossover slope and then experiment with lowering that point little by little.
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“To argue with a person who has renounced the use of reason is like administering medicine to the dead.” ― Thomas Paine |
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#11 |
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I will,
I'm still far away from fire them up, but it's nice to plan and design. Will start very conservative then push the limits (safe) Now on my drawing board is how to make a mold from the glove compartment and then make a copy with fiber glass.... cut a hole and install the P99 inside. Any ideas? Thanks D.
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. CLA 250, 4MATIC |
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#12 |
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Roadrunner Jr.
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I would buy a spare glove box to make a mold off of first. Never use the original...too many things to go wrong...
Get that and we'll look at how the OEM box comes apart...THEN we'll look at making a mold or a one off. I might want to lend a hand somehow...
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“To argue with a person who has renounced the use of reason is like administering medicine to the dead.” ― Thomas Paine |
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#13 |
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I wish I could just by a spare, been the CLA such a new car it's almost close to impossible to get parts at this moment.
Taking the glove box out it's simple, I'll try tomorrow to take it out and see how many curves are involve, my concern is negative shapes that would make the mold stick to much for an easy release. LINK for VIDEO or http://youtu.be/o4YLmswBHx0 D.
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. CLA 250, 4MATIC |
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#14 |
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. CLA 250, 4MATIC |
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#15 |
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Roadrunner Jr.
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Then we could probably do it in sections...
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“To argue with a person who has renounced the use of reason is like administering medicine to the dead.” ― Thomas Paine |
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#16 |
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I got into the Engineering Mode, and found this screen, but I'm trying to find out what's going on, there is one for each set of speakers, Front Left, Front Right, Rear Left and Rear Right... any guess?
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. CLA 250, 4MATIC |
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#17 |
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Roadrunner Jr.
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How many speakers does your stock system have? That is the first thing I'm thinking of when I see that.
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“To argue with a person who has renounced the use of reason is like administering medicine to the dead.” ― Thomas Paine |
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#18 |
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The image above it's only for the Front Left (6.5" in door + Tweeter in Sailpanel)
Then there are rear 6.5" in rear doors, left and right) D.
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. CLA 250, 4MATIC |
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