ITO Tones rockstah posted

[dazzlindino]

This is very interesting...is there any other way to get a 1.2 khz spike, or would eq mod be the only way?

[SteadyEddie]

I got a good meaty increase in sustain to my 1987 by changing the treble cap to 1000pf. I simmed it on the Duncan's Tone Stack Calculator (try this yourself) and it did give a big midrange boost, most noticeable around 1K. Try it out, just piggyback a 500pf cap on top of what you already have with some alligator clips.

Now, if you want to be "Eddie Correct" he didn't have that value in his amp. But I do believe that it achieves a similar effect without the use of external devices. There's just something I like about being able to plug straight into the amp.

[dazzlindino]

Geez on the simulator that changes the frquency response to the max!
will give it wurl....

[SteadyEddie]

You can't sim in with TSC, but also change that 470pf or 500pf cap across the 470k mixer resistor to 1000pf.
Now with these two simple mods you have some serious sustain out of a JMP. If your chops are up to it, you'll find pulling off those Van Halen licks easier than before.

[dazzlindino]

hopefully can try this in the near future, thanks

[leadguy]

The MXR main frequency boosts are

100 Hz, 200 Hz, 400 Hz, 800 Hz, 1600 Hz, 3200 Hz


Other EQ's which are on a lot of studio and PA mixers can be

80 Hz, 160 Hz, 315 Hz, 630 Hz, 1250 Hz, 2500 Hz

[Star*Guitar]

The Boss GE-10 has a 1k slider..That is where I had it boosted due to some Eddies GE-10 pics....I dimed it now just to mess withthings...it sounds pretty cool...still...is that other .2 that important? If so...then maybe modded the GE-10 is in order.

[leadguy]

I really don't know about this 1.25 Khz spike.

It seems like it's on some things and not others.

Modding a MXR or a Boss just to produce that particular 1.25 Khz frequency just doesn't seem something that someone would do.

There were EQ's with 1.25 KHz sliders but they were mostly in mixers from what I can find out.

Maybe the 1.25 Khz spike on some things is from a Mixer EQ or maybe something else, I just don't know for sure.

[vh junkie]

Thanks again GG!
I tried this, and it works nicely
Sorry if this was discussed and missed it, but would it be better to lower the value of the 1.6khz slider to 1.2, and leave the 800hz slider as is?

[dazzlindino]

so when modding the 800 to 1.2 is that the only frequency you are boosting or are you using the eq with the frown and then pushing up the 800 slider?

[leadguy]

Just grab a PA EQ and then there are lots more frequencies to boost or cut like 1.25khz for instance that is usually not on the early guitar EQ's and then use the PA EQ to try to match it to one of Ed's songs as much as possible, because there is not just the 1.25 khz boost involved.

Mixing the MXR EQ and a PA EQ together in different parts of the chain can be done as well and is probably more accurate for something like Eruption because the MXR and the Sunset Sound board EQ or live mixer EQ would have been used and don't forget compression at Sunset Sound and live shows as well and board delays as well etc etc.

Ed obviously went through board EQ's at Sunset Sound and in live shows as well and these EQ settings might have changed from song to song as well.

http://www.astralsound.com/graphic_eq.htm" onclick="window.open(this.href);return false;

[wjamflan]

This conversation has been fascinating to me.

One question I thought of as people were talking about modding their eqs was, does an individual slider control just it's labelled frequency range, or is it interactive with the other sliders like some amp eq sections (bass, mid, treble)? In other words, is it electronically possible for a graphic eq (like a 6 or 10 band) to cause a spike in an in between frequency (like 1.25 Khz) depending on how the two closest sliders are set?

[leadguy]

A google search on something like "mastering spectrum analyzer EQ" will show how the EQ frequency bands affect the frequencies.
They use EQ's together with a spectrum analyzer to alter the final mix.

http://www.easyeartraining.com/2010/05/ ... analyzers/" onclick="window.open(this.href);return false;

http://www.har-bal.com/index.php?/maste ... torial.php" onclick="window.open(this.href);return false;

[wjamflan]

I looked quickly at the sites you posted Leadguy, but I didn't see an answer to my question. I was asking about the sliders on eqs like the MXR 6-band or Boss 10-band, not studio boards. I only ask b/c I don't want to have to mod if I don't have to. I really don't believe Ed modded his, although I guess it was possible.

Does anyone know if the sliders on these eqs are interactive with each other and could cause a spike on an in between frequency? Or do they just affect the frequencies specified?

[leadguy]

With any Graphic EQ, adjusting the frequency slider will mostly affect that particular frequency but there are some near frequencies to the sides that will also be affected but not in the way you are talking about where the 800Hz and 1600Hz sliders can boost or cut the 1250Hz 1.25kHz frequencies, to do that a 1.25kHz Graphic EQ slider is really needed and these are mostly on larger Graphic EQ's like that used for PA's and studios and Ed's 1.25khz spike could be coming from one of these Graphic EQ's because there are more EQ's in Ed's studio or live tone then the EQ's that are actually in his rig.