hpf and lpf - Audio & Electronics Forum

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hpf and lpf
Friday, September 08, 2006 2:43 PM
ok i was reading some of the posts a while back

i have one 12in type r and i have type r components

now the problem that i have is that the tweeter plays all the high notes like it should, but the woofer itself has hardly any sound comming out of it

i think it might be my hpf that is blocking the bassnotes from the woofer, should i change the hpf to lpf or off on the amp

its a 4 channel pioneer




Re: hpf and lpf
Friday, September 08, 2006 3:10 PM
let me get this straight, your running componets AND a sub off the same amp?
Re: hpf and lpf
Friday, September 08, 2006 3:30 PM
With a 4 channel amplifier the subwoofer should be turned to LPF and the speakers to HPF.

The other factor is where the settings for the HPF are set too. I would suggest between 60-80hz. That should help with the midbass issue.


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Re: hpf and lpf
Friday, September 08, 2006 6:52 PM
mclonedogmcwad wrote:let me get this straight, your running componets AND a sub off the same amp?


sorry i forgot to add, i also have my sub running off a diff mono amp



Re: hpf and lpf
Saturday, September 09, 2006 4:10 PM
bump



Re: hpf and lpf
Saturday, September 09, 2006 9:36 PM
so the components are on one amp and the sub on a diff amp?
if so, set the component amp to HPF (high pass filter), for the high notes, turn the HFP setting knob all the way to one side, then slowly turn it til you get the notes that sound best. Granted, this is not the technically correct way to set a filter, but its easy and will work.



Re: hpf and lpf
Sunday, September 10, 2006 5:01 PM
LiquidFireCavy (mdk) wrote:so the components are on one amp and the sub on a diff amp?


yes

i guess what im asking is why is there absolutly no bass or midbass comming out of them?



Re: hpf and lpf
Sunday, September 10, 2006 11:19 PM
there shouldnt be any bass if its set right. the point of a component system is to get clear highs and mids out fo the speakers and let the subs do the bass. do you have crossovers installed on the components?



Re: hpf and lpf
Monday, September 11, 2006 4:15 PM
yeah the cross overs are there

ok then i got it set right



Re: hpf and lpf
Tuesday, September 12, 2006 8:58 AM
he should be getting midbass. at what setting is your crossover set. what frequency?


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Re: hpf and lpf
Wednesday, September 13, 2006 11:20 AM
most tweeters have a HPF built in with the use of a cap. tweeters blow very easy so thats the reason for it. try removing all filters from the amp and see if you get mid bass.

as for your sub, if your decl has multiple preouts, check which set you have your rca's wired to. maybe you arent sending back the full signal to your amps.

this is why i prefer a set up like mine. its a single preout deck. i run the raw signal into a remote mounted EQ. i then take the signal from the EQ and send 2 channels powering my DVC sub on the subwoofer output from the EQ. then i take the front output from the EQ and run it to the remaining 2 channels and power the front speakers with that. my fronts right now are currently 2-ways. the EQ gets used as my cross over, filtering out the unwanted freq.



Injection is nice but id rather be BLOWN!

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