Frequency hz setup


Jmackin

CarAudio.com Newbie
Jun 20, 2021
5
0
Amherst Ohio
I’m fairly new to car audio “been toying with it for about 2 months” I was wondering what the frequency hz does on a Rockford fosgate amp I have a p600x4 and a r2-500x1 I don’t know what to set it too or how to know if somebody can explain it to me that would be great thanks
 

Jeremy11

Junior Member
Apr 13, 2018
148
10
Loganville,GA
I’m fairly new to car audio “been toying with it for about 2 months” I was wondering what the frequency hz does on a Rockford fosgate amp I have a p600x4 and a r2-500x1 I don’t know what to set it too or how to know if somebody can explain it to me that would be great thanks
I’m assuming that is the amps built in crossover settings. Depends on what you are using as the main crossover. the amps or the head unit or an external crossover/dsp. That will affect where you set them.
 

Jmackin

CarAudio.com Newbie
Jun 20, 2021
5
0
Amherst Ohio
  • Thread Starter Thread Starter
  • #5
I’m running 2 t1650 full range 6.5” from Rockford fosgate 2 mid range 6.75” Rockford fosgate speakers and 2 tweeters connected to 2 crossovers with the midrange speakers my mono amp which I also need to set the frequency on is a r2-500x1 and it will be running a p3d4-10 wired at 2 ohms
 

Kickstand

CarAudio.com Veteran
Jan 1, 2021
796
241
Maple Ridge
You have them set to all pass which means the amps crossover is bypassed
Since your running components with passive crossovers then then you don't need the to mess with the amps crossover
You can set your gains (input level) with a multimeter and test tones
Here is a how to on it
You can download the test tones from the JL audio website

As for the cross over on the sub amp I would start at about 80 hz and then play with it until it sounds right
Just make small adjustments and then listen for a day and then re adjust if needed
It takes a long time to get them just right
Hell I used to always play with mine, now I have DSP so there are way more settings to play with
It kind of comes with the territory
You can set the gains on your sub amp the same way and the punch EQ is a user specific kind of thing
You just have to play with it until you like the sound
 

Jmackin

CarAudio.com Newbie
Jun 20, 2021
5
0
Amherst Ohio
  • Thread Starter Thread Starter
  • #7
I’m running 2 t1650 full range 6.5” from Rockford fosgate 2 mid range 6.75” Rockford fosgate speakers and 2 tweeters connected to 2 crossovers with the midrange speakers my mono amp which I also need to set the frequency on is a r2-500x1 and it will be running a p3d4-10 wired at 2 ohms
 

Jmackin

CarAudio.com Newbie
Jun 20, 2021
5
0
Amherst Ohio
  • Thread Starter Thread Starter
  • #8
You have them set to all pass which means the amps crossover is bypassed
Since your running components with passive crossovers then then you don't need the to mess with the amps crossover
You can set your gains (input level) with a multimeter and test tones
Here is a how to on it
You can download the test tones from the JL audio website

As for the cross over on the sub amp I would start at about 80 hz and then play with it until it sounds right
Just make small adjustments and then listen for a day and then re adjust if needed
It takes a long time to get them just right
Hell I used to always play with mine, now I have DSP so there are way more settings to play with
It kind of comes with the territory
You can set the gains on your sub amp the same way and the punch EQ is a user specific kind of thing
You just have to play with it until you like the sound
Thank you I will start at 80 and play around with them
 

Buck

[email protected]
Pro Seller
5,000+ posts
10+ year member
May 19, 2008
24,606
1,256
Sarasota, FL
I’m fairly new to car audio “been toying with it for about 2 months” I was wondering what the frequency hz does on a Rockford fosgate amp I have a p600x4 and a r2-500x1 I don’t know what to set it too or how to know if somebody can explain it to me that would be great thanks
If you want to email me at: [email protected], I can help walk you through some of this stuff.
 

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