HD555/H595 mod - Page 3

Whats the point in that? You still have uneven cable lengths between left and right drivers giving you unbalanced timings......I just put a hole into the bottom of the right earphone casing and then soldered the new cable directly to each driver.

zbwu I modded my HD595s replaced the stock cable with Belden 1192A StarQuad cable. It's directly soldered to both drivers and I think this cable isn't really what I was looking for. The whole performance suffered, somekind. It sounds flat with almost no bass at all and fatuging.
I can still remember that the bass was one of the major plus points for my 595s.

What cable did you use? And did you recable all cables or just inside the driver enclosure and left stock inner cables?

I'll try your mod tomorrow, nice documentation!
Greetz Ava

Dunno why you guys would want to change the 595's, I think the SQ and soundstaging is excellent :-)

does removing the inner grill REALLY add that much sound leakage? I mean its just a cheap grill with holes in it, how can that possibly do much to dampen sound. Just wondering, cus i'm debating on removing it also.

Heya, thread resurrection, but I want to ask a couple questions in connection with a different set of phones. The questions that are being asked are good ones, and the explanation of sound-stage makes a lot of sense, and it makes me want to mess with my MDR-V6's

1. Based on that idea, would the small sound-stage on these phones be due to the small, closed resonating chamber?
2. Is the thickness or density of the padding proportional to the frequencies absorbed?

3. Application: If I lined the V6 with a highly porous foam, or with a cotton stuffing, would I be able to correct the harsh highs without cutting the lower frequencies?

--EDIT--
another question unrelated to modding: would the sound-stage clues come through better at lower volumes, due to weaker reflections?

Just tried the original foam removal mod and hwc's acoustic foam addition. All I can say is wow, I'm glad I tried this before buying a $300 amp (which I'll do anyway ) Unfortunately this makes me wonder... how would my modded HD555s compare to something more exotic now... HD600s, 650s...

Word of warning though, the little screws can really easily be drawn onto the drive unit's surface since it is a strong magnet. It happened to me but fortunately after gently pulling it off with some pliers the drive unit reformed to its normal shape and sounds great!

 

I am curious, I have the 555's and did the foam removal mod, however hwc's mod is basically putting foam back inside the cans.   What is the difference between the foam that was already in the 555's compared to the foam that the hwc mod calls for?

 

Seems to me the original foam inside the 555's is the best kind to use, since it is the typical absorbing/damping material that is used in many audio products to damp the reflections.  So if removing the foam from the 555's sounds so good, then why is putting foam back in there supposed to be such a good thing?  It is basically a contradiction.

 

The foam you removed was very thick and absorbed low frequencies (as well as high-frequencies I guess.) The foam you add back in is very very light weight. It lets low frequencies pass through (keeping the effect of the first mod intact) but blocks higher frequencies progressively more efficiently, the higher the frequency the more it blocks. The light foam should diminish the effect of higher frequencies bouncing of the hard plastic surfaces behind the driver and entering your ear a little later than they should have.

 

I found that the first mod improved SQ significantly, the second mod is much more subtle, you only really notice it on harsh treble sounds. Also, I have found my HD555s took a lot longer to burn in than I expected, now that they have had about 100 hours, they are sounding really good.