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Sub-woofer still emits somehow high-to-mid frequency sounds even after tuning

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Try tweaking your phase controls

Posted on Jun 09, 2010

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1 Answer

Can i wire non amplified mid-range/tweeter speaker's on the inside of an altec acs250 sub woofer directly to the woofer speaker


Probably not. Somewhere there is a filter (crossover) that only sends the lower frequencies to the sub-woofer driver. Where that filter resides (either in the pre-amp, receiver or sub-woofer enclosure is yet to be known).

Oct 27, 2016 | Audio Players & Recorders

1 Answer

What is a crossover an what does it do


Basically a crossover filters high and low frequency sound into separate bands and then only allows that band of frequency to reach the speaker! Uses are for feeding a sub woofer with low frequency sound and a tweeter with high frequency sound!

Nov 18, 2014 | Mansfield 3-WAY ELEC CROSSOVER: 3-WAY ELEC...

1 Answer

How to determine if subwoofer is blown


check the box for air leaks, or rubber surround deterioraton.

Apr 03, 2013 | Sunfire True Sub MK II Subwoofer

1 Answer

Power sub woofer is not working on my pioneer vsx-81txv everything is working all the speakers except the power sub connection at the back all i can hear is the hissing sound when i try to connect the sub...


Hissing? How loud? A sub isn't even capable of making high frequency sounds at normal volumes.

The Pioneer manual would tell you how to enable and test the subwoofer output.
Page 17 and the MACCV procedures on Page 33 (auto) or 43 (manual)

Jun 13, 2011 | Pioneer VSX-81TXV Receiver

1 Answer

I have a Kenwood DNX8120 installed in a Jeep Wrangler(4dr). Running a 4 channel JL Audio amp for mids and highs and mono JL audio amp for the single 12" sub. Tried to have the deck tuned by two...


I do not know what sub woofer and speakers you have and how they are installed, don't change the JL Audio amplifiers, they are very good amplifiers. Also amongst others, I have been using Kenwood in my installs for many years and believe them to be one of the top brands for head units. The unit that you have is a good, very good unit, honestly. In a nut shell, the equipment that you mention are all top class and if functioning correctly, should not be the cause of your disappointment. Low quality cables, bad installations or even incorrect tuning, are often the guilty party in cases such as these. You could fill me in on what else you have and what kind of box the sub woofer is in and what car they are installed in? Search for the source of your disappointment somewhere else. dreamsystems.

Feb 22, 2011 | Kenwood Car Audio & Video

1 Answer

What settings to put on Rockford fosgate Prime 250.1? one P1 12 4 Rockford Fosgate speaker, in atrend LSV 12 vented box. With JVC radio that has the sub woof, MID. What is MID and what setting to put it...


Need to know what JVC deck you are referring to so I can give you optimal settings. Mid is the mid-range of frequencies... ones that are sent to your door speakers' woofers, not the sub-woofer. So set that to whatever you feel sounds best, probably low in my opinion. Subwoofer set it as loud as you want, it depends on what kind of music you listen to. If you want your bass to be "boomy" then set it high. If you want it tight and crisp set it low.

Auto adj is auto adjustment for when you turn the sound louder it increases all settings accordingly. I always recommend putting that on 5 so if you ever want to crank it - the whole system gets cranked.

Thanks, let me know if you have any questions or concerns, just reply to my answer here and I will be right back with you.

Tim

Nov 04, 2010 | Car Audio & Video

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Dear Sir, My name is JOY and basically I am an arranger and programmer. At present , I am using EDIROL FA-66 soundcard for my programming. I think this sound card is superb and i have no problem...


I need to know first of all what your setup is for output (you may not hear the low frequencies if you aren't running a sub, or if the sub woofer isn't configured correctly. Also check all of your output settings, including those settings for file conversions within each software used for these tracks. Another thing to keep in mind that you may also need to reinstall or update your soundcard drivers.

*Double check all your inputs/outputs to see that they are secure.
*Look in the control panel(s) and make sure that the equalizer settings are correct as well. It's common to experience settings to be muted in windows. You may have also blown your sub channel as well, depending on any amps/equipment you use (if you even do).

Jul 03, 2010 | Edirol FA-66 Sound Card

1 Answer

JL 13w7 & 1000/1 Settings


There is no "perfect" setting that can be placed in a manual. It's all done by ear. Your settings will vary depending on the vehicle you are in, the type of enclosure you have, the type of music you listen too, how much voltage your deck put's out. There are many variables, but I can try to give you a basic guide.

First of all you need to know your enclosure. If you have a ported enclosure tuned in the mid to low 30's you may want to set the low pass to around 70-80 hz with your sub sonic set at 30 hz. this will give you the higher bass frequency you need for the loud bass you want, and protect the sub from going too far below the tuned frequency of the enclosure, and losing it's composure.

As far as the gain, and bass boost are concerned, you just have to adjust them by ear. First adjust the radio volume to normal listening levels, by that I mean as loud as it can go without the speakers in the car sounding like ****. Now you adjust the gain first. slow turn the gain control, carefuly watching and listening to the sub.. Adjust the gain to the point of the woofer getting a lil sloppy then back it down a bit until the sound is clean again. Now do the same with the bass boost. if there is a bass boost frequency adjustment, set that as close to the tuned frequency of the box as you can.

If you are in a sealed box the adjustments are a bit easier, and are all about taste. Adjust the radio as described before, and put on your favorite song. Next start udjust thing lowpass frequency to taste, not too high tho, try not us higher than 100 hz in your sub's for better sound. Sub sonic is not quite as important in a sealed box, as there is much less danger of the sub losing control.

Well good luck, and hope this helps!


Jul 13, 2009 | Jl Audio 13W7 Car Subwoofer

1 Answer

Crossover?


A crossover is a circuit that breaks down a whole spectrum of frequencies into groups. For example, your speaker has 3 individual speakers (drivers) in it. There is a woofer, mid and tweeter. A crossover will send the appropriate frequencies to each of the drivers. The woofer can not reproduce high frequencies so it doesn't make sense to send them there. The sam can be said for low frequencies and the tweeter. The crossover point defines the splitting point of the frequencies. Depending upon what sub-woofer you are using usually the crossover freqwuency is either 80 or 100. Most often it is 100.

Hope this helps,
Dan

Aug 20, 2008 | Onkyo TX-SR503 Receiver

2 Answers

Auto Sub woofer


There are several causes of distortion in an audio setup.

1) Speaker is unable to handle the frequency that it's being fed
2) The volume is too high for the speaker to handle
3) The amp can't provide enough power to drive the speaker adequately.

Either way distortion is BAD & best to be avoided unless you want an excuse to buy a new set of speakers :P

Nov 08, 2007 | MA Audio EHO152 15" 5000 Watts Subwoofer...

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