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= Hifiman HE500 & HE400 Jergpad Mod v2.5 = - Page 16

post #226 of 1702

I did this mod today - wanted to make incremental changes so I did it this way...

 

Instead of cutting off the dust cover I simply removed the mounting ring and then turned the pad inside out. I used new (sharp) nail clippers and made two "V" incisions for each hole then just cut out the resulting flap. Did 24 holes in each pad (3 bands of 8 equally spaced).

Flipped the pad back, re-inserted the foam and the mounting ring. Mounted to the HE500's and sat back and just listened.

 

Whole process took me 20 minutes from soup to nuts - By far the cheapest/quickest system upgrade I have ever undertaken.

 

This resulted in such an all round improvement to the HE500's that you have to wonder when the manufacturers will catch on and do this by default. Although I kind of hope they dont because they'll then call this a 'revision' which will adversely affect the resale value of our originals.

 

 

 

Jerg, THANK YOU beyersmile.png for taking the time to document this for the rest of us. Have a carrot.


Edited by eddiek997 - 1/28/13 at 7:31am
post #227 of 1702

I adjusted the backvent mod by actually closing all the vents. There is now a strip of duct tape running along the rim. This results in a tighter pressed rim to the headphone and the cushioning.

 

Bass is a bit tighter, and sub-bass is more audible. Also the pad is a bit deeper.

post #228 of 1702
Quote:
Originally Posted by Marleybob217 View Post

I adjusted the backvent mod by actually closing all the vents. There is now a strip of duct tape running along the rim. This results in a tighter pressed rim to the headphone and the cushioning.

Bass is a bit tighter, and sub-bass is more audible. Also the pad is a bit deeper.

Snap a pic when you get a chance please.
post #229 of 1702
Bump..guys..can someone pls explain where the silicone ring is inside the pads? As my. Pads only have foam as far i can see..do i miss something..i did cut off the dust facric and the rubberish slab around the pads.. Do i have to cut out more..except for the holes ofcourse..thanks
post #230 of 1702
Quote:
Originally Posted by hifimanrookie View Post

Bump..guys..can someone pls explain where the silicone ring is inside the pads? As my. Pads only have foam as far i can see..do i miss something..i did cut off the dust facric and the rubberish slab around the pads.. Do i have to cut out more..except for the holes ofcourse..thanks

There is no silicone ring. I don't even know what you are talking about. If you have removed the filter and the back flap along with the foam insert you are ready to cut holes in it and then put it back together.
post #231 of 1702

Have any of you guys experimented with breathable tape over the holes to alter the damping? 

post #232 of 1702
Quote:
Originally Posted by merkil View Post

There is no silicone ring. I don't even know what you are talking about. If you have removed the filter and the back flap along with the foam insert you are ready to cut holes in it and then put it back together.
So no silicone ring INSIDE the pads..so i have to cut open the pads on the side and take out the white foam thats inside? In the pics i can see it still inside the pads..am confused now..jerg..can u explain..maybe i am a bit slow..can u show with a pic..or anyone..what the foam insert looks like as in my padsi only have soft white foam in it..without it i think the leather pads will be flat..
post #233 of 1702
Quote:
Originally Posted by hifimanrookie View Post


So no silicone ring INSIDE the pads..so i have to cut open the pads on the side and take out the white foam thats inside? In the pics i can see it still inside the pads..am confused now..jerg..can u explain..maybe i am a bit slow..can u show with a pic..or anyone..what the foam insert looks like as in my padsi only have soft white foam in it..without it i think the leather pads will be flat..

 

You have everything confused here dude. We don't mean the white foam material inside the pads, but rather this thin ring that sits between the pad and the plastic mount.

 

Here's a (admittedly terrible) pic

 

 

post #234 of 1702
Quote:
Originally Posted by hifimanrookie View Post

So no silicone ring INSIDE the pads..so i have to cut open the pads on the side and take out the white foam thats inside? In the pics i can see it still inside the pads..am confused now..jerg..can u explain..maybe i am a bit slow..can u show with a pic..or anyone..what the foam insert looks like as in my padsi only have soft white foam in it..without it i think the leather pads will be flat..

You don't pull anything out from inside the pad. You are just cutting holes in the pleather part to expose the foam.
post #235 of 1702

What is this vent MOD that keeps coming up--and what is meant by rotating the vent to the front?

 

Thanks guys

 

Jack

post #236 of 1702

There is a ring of duct tape in the inside cirkle of the rim. I left the other pieces of tape, don't know if this matters much.

The biggest difference is that sub bass is more audible, and the bass overal has a bit more punch.

I like the pads better this way, but the difference isn't all that big.

 

Also hello purple dust filter! Not sure if it is capable of actually filtering anything though...

 

I used tape to cover some of the holes. I punched a few too many I'm afraid...


Edited by Marleybob217 - 1/28/13 at 11:35am
post #237 of 1702

Just did ^^

Quote:
Originally Posted by merkil View Post


Snap a pic when you get a chance please.
post #238 of 1702
Quote:
Originally Posted by Marleybob217 View Post

There is a ring of duct tape in the inside cirkle of the rim. I left the other pieces of tape, don't know if this matters much.

 

The biggest difference is that sub bass is more audible, and the bass overal has a bit more punch.

 

I like the pads better this way, but the difference isn't all that big.

 

Also hello purple dust filter! Not sure if it is capable of actually filtering anything though...

 

I used tape to cover some of the holes. I punched a few too many I'm afraid...

 

Marley,

 

Thanks for sharing these latest pics.  I like the super-special tape arrangement that you applied.  I'll try another variant such as this quite a bit later tonight when I get home.

post #239 of 1702
Quote:
Originally Posted by beaver316 View Post

You have everything confused here dude. We don't mean the white foam material inside the pads, but rather this thin ring that sits between the pad and the plastic mount.

Here's a (admittedly terrible) pic



Is this the ( bit hard rough feeling) very skinny ring thats under the pads and glued to the ring that keeps the pleather (upperside) and rubbery (underside) linked together..as otherwise i dont have any ring on my pads left.as .i first cut off the rubberflap right onto the ultimate corners of the pad itself...then i cut off the dustcover until u only keep a kind of hard ridge on the outside of the pads..its almost plastic feeling..but its glued to the pleather on top of it..!!! I tried to disconnect that from the pleather upperside..but its impossible to do that without destroying the pleather upperside! Even with a surgeon cutting knife!
post #240 of 1702
Quote:
Originally Posted by wje View Post

 

Marley,

 

Thanks for sharing these latest pics.  I like the super-special tape arrangement that you applied.  I'll try another variant such as this quite a bit later tonight when I get home.

It is super special indeed! This could definitely have been done in a more neat way, but I was too lazy to take of the rest of the tape first.

 

I would really like to hear your impression, because I'm not yet sure if this is actually 'better'.

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