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**Hifiman HE-400 Impressions and Discussion Thread** - Page 802

post #12016 of 17745
1. Specifically, what difference does it make taking the foam rings out vs punching the holes in them vs leaving them in? 2. Also, if the area of the pad where you cut holes is covered by the velour, would that dampen in the same way as applying velour to the pad without covering the dampening holes?
post #12017 of 17745
Quote:
Originally Posted by kernel8888 View Post

1. Specifically, what difference does it make taking the foam rings out vs punching the holes in them vs leaving them in? 2. Also, if the area of the pad where you cut holes is covered by the velour, would that dampen in the same way as applying velour to the pad without covering the dampening holes?

The foam rings without holes are pointless under the jerg pads. It will completely go against the whole idea of cutting holes in the first place because this will cover them up. jerg mentioned he didn't like the foam rings with holes either. I'm guessing that the thickness of the foam + pleather pads + velour covers is simply too much distance from the driver. Also, I wouldn't recommend covering the holes you cut with velour... that just seems even more silly than covering them up with the foam ring.

post #12018 of 17745
Quote:
Originally Posted by nicholars View Post

 

Just do it carefully though because it is quite tricky and easy to mess up the pads... It does make the headphones go from "very good but flawed" to "very good". There still is the treble spike and sibilance / tizz but it is much better than the stock pads. Do any of the other parts of the mod improve this further? I am going to try the sub bass tape mod but I am not sure if I should cut up this pair of velours I've got and do the velour top mod... I do not want to make the treble brighter and waste £17 (I do not like the way the stock velours sound, but they were comfortable).... What about the mod with the "rear vent"? Does that make the bass quantity less? Excellent work by the way Jerg...

The velour fabric transplant seems to eliminate the slightly "cupped / cave-y" sound of pleathers (with or without the holes cut in), so it sounds fully open and transparent to the drivers, while still preserving the tonal balance of the pleathers in general.

 

The rear vent mod basically slightly angles the drivers so center imaging is improved a bit, and so is openness of the sound. 

post #12019 of 17745

I guess the reason that high end headphones seem to have better pads with most of these modifications is the manufacture cost and effort. A lot of headphones would probably benefit from these mods?


Edited by nicholars - 8/7/13 at 9:16am
post #12020 of 17745
Quote:
Originally Posted by kernel8888 View Post

1. Specifically, what difference does it make taking the foam rings out vs punching the holes in them vs leaving them in? 2. Also, if the area of the pad where you cut holes is covered by the velour, would that dampen in the same way as applying velour to the pad without covering the dampening holes?

 

I find that the headphones are more comfortable with the rings in, but I currently have them out because the jerg mod is pretty pointless if you have the foam spacers as well.... They sound the best with the modded pads and no spacers, without the mods I think I preferred the spacers in, but with the mods better without. These headphones sound excellent with the modded pads for the money, I can't think of any headphones that are better all rounders at the price, going back to dynamics after these the bass sounds so boomy. The bass seems better with the modded pads as well.


Edited by nicholars - 8/7/13 at 9:23am
post #12021 of 17745
Quote:
Originally Posted by nicholars View Post

I guess the reason that high end headphones seem to have better pads with most of these modifications is the manufacture cost and effort. A lot of headphones would probably benefit from these mods?

I've been curious about cutting extra holes in my 840 pads for my T50RP's to mellow out the highs. Apparently it's been done before.

post #12022 of 17745
Quote:
Originally Posted by Thujone View Post

I've been curious about cutting extra holes in my 840 pads for my T50RP's to mellow out the highs. Apparently it's been done before.

Yeah, you could technically add holes to dampen any pad that doesn't have them already.  This looks like a job for science! cool.gif

post #12023 of 17745

I can't use OP's recommended link [headband accessory] because I live in Canada. Is there an alternative to paying $35 CAN?:

 

 http://www.amazon.ca/Replacement-Leatherette-Universal-Sennheiser-Beyerdynamic/dp/B00AXE7XVC/ref=sr_1_1?ie=UTF8&qid=1375901651&sr=8-1&keywords=universal+Headband+Comfort+Cushion

 

Seems a little shady...

post #12024 of 17745
Quote:
Originally Posted by Alexein Aner View Post

I can't use OP's recommended link [headband accessory] because I live in Canada. Is there an alternative to paying $35 CAN?:

 

 http://www.amazon.ca/Replacement-Leatherette-Universal-Sennheiser-Beyerdynamic/dp/B00AXE7XVC/ref=sr_1_1?ie=UTF8&qid=1375901651&sr=8-1&keywords=universal+Headband+Comfort+Cushion

 

Seems a little shady...

Look for them on ebay.

post #12025 of 17745
Quote:
Originally Posted by nicholars View Post

I guess the reason that high end headphones seem to have better pads with most of these modifications is the manufacture cost and effort. A lot of headphones would probably benefit from these mods?

The concept is exactly the same as room treatment.

 

When you are wearing headphones, the "speakers" (drivers) are in a "room" with your ears that only consists of the pads.

 

If you carpet the walls of your listening room, or cover the walls with wood paneling, then your speakers sound darker or brighter respectively.

 

Similar changes in ear pads affect the headphone sound in the same way.

 

( So who is going to be the first to try wooden ear pads ?  biggrin.gif )

post #12026 of 17745

Yes but most pads are not optimal in that case, because most pads on any headphones under about £500 do not have mods similar to jergpad... Maybe they do not need them or are tuned around the pads... Or maybe they would improve but it was too tricky to manufacture and lowered profit margins...

post #12027 of 17745
Quote:
Originally Posted by nicholars View Post

Yes but most pads are not optimal in that case, because most pads on any headphones under about £500 do not have mods similar to jergpad... Maybe they do not need them or are tuned around the pads... Or maybe they would improve but it was too tricky to manufacture and lowered profit margins...

Or maybe the transducers in most mid~low-fi headphones are not transparent / detailed enough to be significantly impacted by small changes in their pads.

post #12028 of 17745
Quote:
Originally Posted by jerg View Post

Or maybe the transducers in most mid~low-fi headphones are not transparent / detailed enough to be significantly impacted by small changes in their pads.

Possibly, though I've read of people changing up the pads on the PortaPro with Grado/Senn foam pads or Senn pleathers alters the sound presentation quite a bit.  Different type of pads in this instance, but I suspect that any material that would absorb/dampen the sound would alter it for better or worse depending.

post #12029 of 17745
Quote:
Originally Posted by modulor View Post

Possibly, though I've read of people changing up the pads on the PortaPro with Grado/Senn foam pads or Senn pleathers alters the sound presentation quite a bit.  Different type of pads in this instance, but I suspect that any material that would absorb/dampen the sound would alter it for better or worse depending.

Yeah but those are pretty drastic changes, ofc the sound would change.

 

What I mean is, subtle modifications (poking a few holes on the undersides of earpads, or taping the pads to the driver cup, or tucking a few pieces of hard foam under the pads, etc) aren't going to be noticeable, or will be significantly less noticeable, with "lesser" transducers.

post #12030 of 17745

Although the mids, bass and treble are better with the part 1 of the mod... I would still like to improve the treble.... Do any of the other mods affect the treble?

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