Im using the GL850 one with some changes.
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Monoprice Monolith AMT Headphones
- Thread starter heavyharmonies
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Chastity
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As am I but I have a Left shelf of +7.5dB, where you have a -1.5dBIm using the GL850 one with some changes.
Yeah, I've lowered the gain on the Low shelf and compensated it for the 32hz pk filter with 0.71Q, Makes for a better low end IMO.
has anyone else tried this mod before? if so what were your results?My personal mod is here:
resonant chamber of non direct reflection, then filled... so sound is more natural than ever. Always punch, detailed, dynamic.
.
Chastity
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You neglected to link the pic of the chamber filled with polyfillhas anyone else tried this mod before? if so what were your results?
Yeah that oneYou neglected to link the pic of the chamber filled with polyfill
I have tried this mod out of curiosity. The changes described by the user are indeed real; you lose the extra "dullness" and "boominess" that the AMT may show due to internal reflections/resonances, getting a more natural sound. However, I reverted to stock configuration shortly after because when I tried the polyfill mod the drivers had roughly 20hrs of use and, as it seems that AMT's generally take quite long to break in, I preferred to wait and see what's the progression of their tonal signature and balance over time. This is actually evolving and improving (currently around the 100hrs mark, but I have read users suggesting to wait until a 500hr-period of break-in is completed - whether this is realistic or just placebo, I don't know); there is still some extra boom and dullness according to my taste, in particular with heavy and dynamic music, so if this won't change with time, I may apply again the polyfill mod.has anyone else tried this mod before? if so what were your results?
Thank you for this! I was thinking the same for burn in time as well! I have around 35-40 hours, so I'm guessing I need a bit more. At first they felt a bit veiled but there were some slight improvements after some time with it. Again, not sure if its just placebo as you mentioned. The polyfill mod is definitely something I will be trying.I have tried this mod out of curiosity. The changes described by the user are indeed real; you lose the extra "dullness" and "boominess" that the AMT may show due to internal reflections/resonances, getting a more natural sound. However, I reverted to stock configuration shortly after because when I tried the polyfill mod the drivers had roughly 20hrs of use and, as it seems that AMT's generally take quite long to break in, I preferred to wait and see what's the progression of their tonal signature and balance over time. This is actually evolving and improving (currently around the 100hrs mark, but I have read users suggesting to wait until a 500hr-period of break-in is completed - whether this is realistic or just placebo, I don't know); there is still some extra boom and dullness according to my taste, in particular with heavy and dynamic music, so if this won't change with time, I may apply again the polyfill mod.
Just tried the mod. I'm pleasantly surprised. Tighter bass response, much airier treble. I wonder if other material would work better.Thank you for this! I was thinking the same for burn in time as well! I have around 35-40 hours, so I'm guessing I need a bit more. At first they felt a bit veiled but there were some slight improvements after some time with it. Again, not sure if its just placebo as you mentioned. The polyfill mod is definitely something I will be trying.
Yes, that's essentially what I noticed. What about the soundstage? I do not remember relevant changes, but I could be wrong...Just tried the mod. I'm pleasantly surprised. Tighter bass response, much airier treble. I wonder if other material would work better.
Yeah I forgot to mention that too. Sound stage seems to be almost the same but the imaging improved significantly. The placements of instruments are better.Yes, that's essentially what I noticed. What about the soundstage? I do not remember relevant changes, but I could be wrong...
dmagnan
Head-Fier
I am somewhat interested in your mod. Could you explain the process of getting at the resonant spaces surrounding the drive unit, and the exact material you used to fill these spaces? It looks like glass wool insulation, which might have the disadsvantage of shedding a lot of particles that would affect the driver surfaces. I would assume it should be some sort of organic wool speaker stuffing material.My personal mod is here:
resonant chamber of non direct reflection, then filled... so sound is more natural than ever. Always punch, detailed, dynamic.
.
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