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Author Topic: Magnum v4 Martin Audio Custom Woodies Frequency Response Graph  (Read 4784 times)

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jerg

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Re: Magnum v4 Martin Audio Custom Woodies Frequency Response Graph
« Reply #10 on: March 12, 2013, 10:45:42 PM »


You probably did a good job. Just a few notes on EQ overall (not necessarily to you, but to others who want to try this stuff):
  • Light EQ correction is best. I don't like to correct more than +/- 3db for a total range of 6db. If a driver wants to do something, there's only really only so much can you do.
  • Don't bother EQ'ing (pushing up) low bass unless it's a subwoofer with sufficient headroom. All you are going to do is introduce more distortion (e.g., more 60Hz harmonic than the 30Hz which you are actually trying to correct).
  • Likewise, to a lesser extent don't bother EQ'ing high treble.
  • In accord with #1 (light touch on EQ), I tend to push down peaks more than push up troughs, especially if they are narrow. Dips tend to be more difficult to hear.
  • Parametric EQ is better than graphic EQ in most situations.
  • Finally, it's important to NEVER take measurements as the final word. Use your ears. I when EQ speakers, the final touches are always based on what I hear. The measurements are simply a starting point.

Pretty much aligned with my thoughts regarding EQ as well, which is why I facepalm real hard when some peeps EQ like this :-X
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victor25

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Re: Magnum v4 Martin Audio Custom Woodies Frequency Response Graph
« Reply #11 on: March 12, 2013, 10:51:27 PM »

Yes EQ can help a little, but I'v learned not to expect wonders.

Purrin, do you think the magnums would also benefit from the foam mod you did on your HP1000's? Where would I be able to get that foam?

btw where the RS-1 was terrible with piano music, the magnum's are actually good.
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Marvey

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Re: Magnum v4 Martin Audio Custom Woodies Frequency Response Graph
« Reply #12 on: March 12, 2013, 11:32:43 PM »

Because the magnums are highly colored, I would tend to leave it alone and according to John Grado's vision. I feel strongly that the RS-1 / Magnum response deserves the very specific cheap-ass vibrating porous wood that which John Grado provides. The resonant wood actually does funky stuff to the decay which gives the package its charm. That's just my opinion.

The HP1000 is already fairly neutral for a headphone. It requires non-resonant aluminum cups, foam mods, or Joe Grado's special sticky goo to keep the package as neutral as possible so the driver can do its thing.
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victor25

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Re: Magnum v4 Martin Audio Custom Woodies Frequency Response Graph
« Reply #13 on: March 12, 2013, 11:42:24 PM »

My magnum's are fully modified by Symphones lab. There is no wood or plastic, just aluminum.
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victor25

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Re: Magnum v4 Martin Audio Custom Woodies Frequency Response Graph
« Reply #14 on: March 13, 2013, 01:18:22 PM »

Ok, attempt no. 3

Its much better now, its sounds better with the EQ than without. Its subtle, but its almost like when you turn off the EQ an exciter turns on. It gives a short wow-effect followed by a head-ache  :)p13 With the EQ the sound is much more conform, more body, not etchy or sibilant!  :)p7

« Last Edit: March 13, 2013, 02:17:16 PM by victor25 »
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Marvey

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Re: Magnum v4 Martin Audio Custom Woodies Frequency Response Graph
« Reply #15 on: March 13, 2013, 03:39:54 PM »

Well you could be a little more aggressive on the EQ...
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