Component help

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ashtrey

CarAudio.com Newbie
Sep 19, 2022
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USA
I've recently got a pair of Rockville rxm64 mid range 6.5 speakers I do not have any experience with components so these are my first but I got one hooked up and it sounds terrible like really bad it seems quieter then it should and the high pitched sounds are ear piercing like really damn loud and awful quality its getting enough power and ive set the frequency filters as best as i can to the speakers response and even when i put the channel on low pass mode it still gets the high tones and sounds awful idk what to do best thing i can think of is maybe getting some frequency blockers
 
I've recently got a pair of Rockville rxm64 mid range 6.5 speakers I do not have any experience with components so these are my first but I got one hooked up and it sounds terrible like really bad it seems quieter then it should and the high pitched sounds are ear piercing like really damn loud and awful quality its getting enough power and ive set the frequency filters as best as i can to the speakers response and even when i put the channel on low pass mode it still gets the high tones and sounds awful idk what to do best thing i can think of is maybe getting some frequency blockers
You bought a PA speaker. FS is ~175hz, so I wouldn't expect any response below ~250hz. High frequencies will be piercing due to cone break up because the cone is not well damped (see 100db sensitivity). Per Rockville's website it should come with bass blockers.
 
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On the Mfr. website, it shows they are pre-wired with a 28uf cap on them. That would be a 6db high pass filter and will prevent most any program material below 1400hz from getting through. It's a midrange, not a mid-bass speaker. Add a .05mH coil to create an 8.3 octave 6db bandpass midrange crossover. This diagram has a different value for the cap, not an issue. You can use the cap you have, add the .1 to .05mh coil to each mid's existing cap and you'll pull the top down.

1698604248397.png


Here is the coil you'll need.

 
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You bought a PA speaker. FS is ~175hz, so I wouldn't expect any response below ~250hz. High frequencies will be piercing due to cone break up because the cone is not well damped (see 100db sensitivity). Per Rockville's website it should come with bass blockers.
Yes it has prewired base blockers but I'm still not sure how to fix my problem with the highs being extremely loud and terrible sounding
Fs = 173.2 Hz

ouch!

id save up more money and get some JL comps and a good amp

youll have years of nice sound
???
 
Yes it has prewired base blockers but I'm still not sure how to fix my problem with the highs being extremely loud and terrible sounding

???
I gave you a diagram, I would add a .1mh coil to the inline positive lead before the cap, it'll roll things off the top end and most likely eliminate the highs you're talking about.

1698604248397-png.54383



Use the existing cap, and add the coil before the cap.
 
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For $49 more than you paid for those, you could have got these. There a steal at $99, about $150 off the regular price.

 
For $49 more than you paid for those, you could have got these. There a steal at $99, about $150 off the regular price.

Thats a nice price. I like the specs. I might snag a set myself🤔
 
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