I was reading you "Rough Tune On EQ" thread and I tried following the advice but ran into some questions. First of all, what should the crossovers be set to? I have my front and rear speakers hooked to the internal amp and my sub hooked to my external one. Fronts are
Infinity 4 x 6 Kappas. The rears are Pioneer, but I don't remember the type or size. The sub is a 12" JL Audio. The amp is an MX Audio. I have a Panasonic CQ-C9901U head unit and the slope of the crossovers isn't changeable. They appear to be at 45 degree angles. I have them set for:
LPF: 160
HPF: 90
I set them that way because from 80 to 160 Hz, they are low, so I wanted some overlap. Should they be different?
I turned the gain on the sub all the way down, set all bass/treble settings to 0, and set my SW-Level to 0. I set the volume to be 80 dB at 1 kHz. 80 dB is counted as 0 dB in this chart. I have an '84 Camaro. My current frequency response without EQ'ing is:
With windows up:
20 Hz:
-4 dB
25 Hz:
-3 dB
31.5 Hz:
-1 dB
40 Hz:
+3 dB
50 Hz:
+8 dB
63 Hz:
+7 dB
80 Hz:
-7 dB
100 Hz:
-8 dB
125 Hz:
-13 dB
160 Hz:
-6 dB
200 Hz:
-9 dB
250 Hz:
-7 dB
315 Hz:
-3 dB
400 Hz:
-9 dB
500 Hz:
-3 dB
630 Hz:
-6 dB
800 Hz:
+3 dB
1 kHz: 0 dB
1.25 kHz:
-5 dB
1.6 kHz:
-3 dB
2 kHz:
-1 dB
2.5 kHz:
-1 dB
3.15 kHz:
-6 dB
4 kHz:
-12 dB
5 kHz:
-2 dB
6.3 kHz:
-10 dB
8 kHz:
-7 dB
10 kHz:
-12 dB
12.5 kHz:
-12 dB
16 kHz:
-22 dB
20 kHz:
-24 dB
With windows down:
20 Hz: Too low to not mistake for outside noise
25 Hz: Too low to not mistake for outside noise
31.5 Hz: 0 dB
40 Hz:
+9 dB
50 Hz:
+11 dB
63 Hz:
+8 dB
80 Hz:
-4 dB
100 Hz:
-9 dB
125 Hz:
-15 dB
160 Hz:
-3 dB
200 Hz:
-20 dB
250 Hz:
-3 dB
315 Hz:
-1 dB
400 Hz:
-8 dB
500 Hz:
-5 dB
630 Hz:
-7 dB
800 Hz:
+2 dB
1 kHz: 0 dB
1.25 kHz:
-4 dB
1.6 kHz:
-1 dB
2 kHz:
-1 dB
2.5 kHz:
-4 dB
3.15 kHz:
-3 dB
4 kHz:
-2 dB
5 kHz:
-7 dB
6.3 kHz:
-6 dB
8 kHz:
-10 dB
10 kHz:
-16 dB
12.5 kHz:
-12 dB
16 kHz:
-22 dB
20 kHz:
-24 dB
I have a 9-band paramatric equalizer that covers 20 Hz to 20 kHz. Each band can be changed to equal several frequencies in it's range. The adjustment limits are -12 dB to +12 dB. I'm making a separate preset for windows up and down.
What modifications would you suggest I make according to this data? The biggest priority for me is that it sounds as close to how it did in the recording studio as possible.
Thanks in advance.