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OG47
16
Nov 23, 2016
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For those who are adept at modifying, the exaggerated piercing highs are not intrinsic to the transducer - resonance control was needed (among other things). Fortunately, the black plastic trim ring on the outer grill is easily removable and allows easy access to the interior. It did take a significant amount of work to get these to sound good, but I felt it was worth it.
OG47
16
Nov 26, 2016
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OG47Kind of difficult to separate which mods had the biggest effect, but here's what I did:
1. Changed the earpads to the Hifiman soft velour ones and stuffed some speaker cabinet stuffing between the pad and the mounting ring all around the opening.
2. Unscrewed the retaining ring, removed the black fabric cover and cut out the circular protective grill in front of the transducer, replacing it with a thin wood rod (aka toothpick). It's re- covered with the existing black fabric so it doesn't look too ugly.
3. Plugged the open circular vent in the bottom of the soundboard with some tape while I had the earpads off.
4. Removed the grill from the back of the headphones as indicated earlier and did the following:
a. Applied damping material to the corner of the soundboard and the circular side wall in several places around the perimeter, also including the cable connector location and on the soundboard near the transducer. Locations at the top seemed to be best for damping the highs.
b. Removed the paper covering the small vent hole in the center of the magnet. and added a blob of damping material on top of the magnet, but not covering the hole.
c. Stuffed the entire back chamber with speaker cabinet fluff.
d. Added a few small pieces of auto sheet damping material (Aluminium foil laminated to black soft material) to the inside of the metal grill to stop it from resonating. Note there is a piece of black cloth behing the grill which is also used.
Thinking back on it, I'd recommend trying the least destructive things first and hold off snipping out the transducer grill until the other mods are done - it might sound pretty good without having to do that step. I listened after each step, but took off the transducer grill before doing the mods at the back of the earpieces.
Hope this helps out - it did turn make this headphone into something enjoyable to listen to.
Thinking back on it, I'd recommend trying the least destructive things first and hold off snipping out the transducer grill until the other mods are done - it might sound pretty good without having to do that step. I listened after each step, but took off the transducer grill before doing the mods at the back of the earpieces.
Hope this helps out - it did turn make this headphone into something enjoyable to listen to.
audio_tude
3
Nov 27, 2016
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OG47Wow..I did nothing compared to you. All I did was change from stock ear pads to Dekoni's. This made the headphone much more comfortable. At first I liked the lower bass extension but it also seem to extend the mid-upper bass which I don't like too much. Velour pads seen to give a much cleaner sound.
BTW. it would be nice if you had some pictures to help with your description. Than I might try some of it.
BTW. it would be nice if you had some pictures to help with your description. Than I might try some of it.
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