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Orthodynamic Roundup - Page 1393

post #20881 of 23474
Wow. Well, nick was Nick was right again. I thought there could be no foam inside the earpads but I was wrong. But what matter of state is that?! Worse then my HP-2 for sure. For now I managed to scrape all of it out and put some foam cutout I had from before.

Recabling also went well but as you can see I really didn't do these justice with the random cables from a Sony I had lying around. Maybe I'll grab a black sharpie and make it look a bit more normal. Not to mention there is no knot or anything inside to keep cable tug from breaking something :S


Because the cups are still cracked I guess, the baffle/pads still do not stay put. The left side of headband is still broken but they're still usable as-is. Assuming I wouldn't be moving too much I'd assume.

**EDIT**
Fixed the mobile auto-correct lol
Edited by kalbee - 12/22/12 at 9:24pm
post #20882 of 23474

thanks for the update Kalbee.

 

That foam must have been like a flattened version of the inside of a Cadbury Crunchie bar, I know the NOS TDS-16 ( Kiev ) were like that inside. They didn't last longer than about 10 minutes listening before supreme deflation

honeycomb toffee

700

  yum. [ only Brits and Canadians will know this chocolate bar, far as i know ]

 

I think those white cables actually look pretty good, and from what i recall, some most of the Sony cables I scalped from teardowns were of decent quality for sure. Sort of thicker looking though. That enamel coating is my nemesis.angry_face.gif

 

But you need to get some sort of know in there, unless you are definitely going to swap that cable out later. ( I like it )

 Any chance you could run a tight strip of ( white maybebigsmile_face.gif  ) electrical tape around the baffle perimeter to hold them down securely, it doesn't look all that bad depending on how tight and accurate you go.

 

So are they functioning now?

 

How did you get them open i would like to do the same with these black ones honestly.( open them )


Edited by nick n - 12/22/12 at 8:57pm
post #20883 of 23474
Quote:
Originally Posted by nick n View Post

thanks for the update Kalbee.

 

That foam must have been like a flattened version of the inside of a Cadbury Crunchie bar, I know the NOS TDS-16 ( Kiev ) were like that inside. They didn't last longer than about 10 minutes listening before supreme deflation

honeycomb toffee

700

  yum. [ only Brits and Canadians will know this chocolate bar, far as i know ]

 

I think those white cables actually look pretty good, and from what i recall, some most of the Sony cables I scalped from teardowns were of decent quality for sure. Sort of thicker looking though. That enamel coating is my nemesis.angry_face.gif

 

But you need to get some sort of know in there, unless you are definitely going to swap that cable out later. ( I like it )

 Any chance you could run a tight strip of ( white maybebigsmile_face.gif  ) electrical tape around the baffle perimeter to hold them down securely, it doesn't look all that bad depending on how tight and accurate you go.

 

So are they functioning now?

 

How did you get them open i would like to do the same with these black ones honestly.( open them )

Pretty much! Toffee in your mouth for 40 seconds = the contents in those pads.

 

Well, aside from the colour (Canadian & Brit style!?) itself, it's also how what used to be the knot inside the cups is now exposed and looks a little silly. Those cables are really thin, almost like that in IEMs. But yes, they work now! I just put the enamel coated cable on some heat sink or some sort, and burn it off with the iron. For some harder to burn ones I unroll the wires, separate the enamel from the copper, and either cut the enamel off with scissors or burn the enamel off.

 

I think I'm really bad at rolling electric tape haha. But definitely a solution.

 

As far as how to open them up, I can't really help there... I don't remember if I previously mentioned this but when I first received them the pad+baffle already popped off. Not to mention the cup perimeter has cracks. Rather than how to open them I'd be interested in how to close them. If anything, the baffle ring is uniform in shape all around it. They should simply clip on and off. Not entirely sure of the best way to remove them.

 

I'll get back on my mobile and upload pictures of pieces if that helps.

post #20884 of 23474

Earpad gruesomely opened.


The metallic baffle ring. See the middle section; this should clip into the baffle.
Edited by kalbee - 12/22/12 at 9:52pm
post #20885 of 23474
*double post*
post #20886 of 23474

Just browsing some portables section stuff and ran across this reference to an IEM planar , now I can't recall  it must have been brought up recently in here already (?) but just to be sure

 

V-Sonic is supposed to have mentioned it

 

http://www.head-fi.org/t/552132/vsonic-gr07-impressions-appreciation-thread/4620#post_8984581

 

who knows, not holding my breath until it shows up if ever.

 

Hope everyone in here is having a good holidays

post #20887 of 23474
Thread Starter 

Yes, I hope everyone got some good stuff (felt, foam, blu-tack, polyurethane glue, eutectic solder) for Christmas. Me, I'm gonna get some Cadbury Crunchies.

post #20888 of 23474

Good old english toffee. You know I may have to pick one of those toothpullers up tomorrow been forever and a day since I had a Crunchie. Dang that GMO lecithin and fructose.

 

Funny about your comment. I can picture people getting packing materials with some products and people watching them, " why are they staring at the foam and holding it up to the light?, How much rum were in the rumballs.."

 

Sad thing is, sometimes the foam is more interesting to me than what I get, or equally so.  Safely filed in the project closet are multiple examples of that, luckily no one sees me stare at it. Especially fine are the thinner sheets of it.

 

 

Not much on the modding front today, twas the plan , but there's always tomorrow to tweak and fix the 4 or 5 left to do., or was it 6.

Show us your your new packing foams!


Edited by nick n - 12/26/12 at 2:11am
post #20889 of 23474

Going back to the Grundig GDHS223 (Fostex T20 clone), I noticed the black fiber/paper covering the "L"-shaped vents at the back of the cup. Is there a similar damping in the T20, and did anyone try removing it? I've always been intrigued as to what effect this has on bass and treble respectively. This fiber/paper is also used in the first version of the Beyer DT880 which sounds artifical to me, and the T50RP has a similar thing covering the back of the driver.

 

Chime in if you've been experimenting with this.

 

 

1000

 

1000

post #20890 of 23474

I have run into stuff like that before a fair bit, but  often right behind the actual obvious damping pads, so I always assumed it was simply a dust-guard and there also for cosmetic reasons when looking from the outside,  so the foam doesn't show.

 

It would be nice to find out for sure though once and for all.

 

It seems like it is similar also to the dustguard on some of the SFI drivers too.

 

Looking forward to other ideas.

post #20891 of 23474

Hello everyone and Happy New Year! Good news about VSONIC ortho IEM.

 

I am selling my modded Elektronika TDS-5m. Need funds for new project. The link is below the signature.

 

http://www.head-fi.org/t/636982/update-modded-mint-condition-elektronika-tds-5m-orthodynamic-headphones-ussr

post #20892 of 23474
Thread Starter 

MDR30: I agree with Nick-- that netting is strictly for crud control. It's way too open to have any appreciable damping effect.

post #20893 of 23474

Kinda looks like the black fiber disc that's on the HP-50, attached to the white one. Would be odd if it were just for crud, as the white disc seems crud-impervious by itself.

 

Also, kinda like the fiber stuff on the AKG K 240 DF, which did increase bass.

700


Edited by vid - 12/26/12 at 2:16pm
post #20894 of 23474

got a bit of a time to experiment a TDS-5m from my friend and also Nick's Arctic Cotton.

 

i listened to it for a good 15 minutes in its stock form, using a headstage arrow (i dont have desktop amps anymore) and a sony F800 series walkman, and i find that the midrange is too prominent, and treble is pretty much lacking. the bass is OK for me though. i was using a pair of velour pads from the HD25 for now, as the owner doesnt have other pads except for the velour pads.

 

after listening, i tried redampening it a bit. first thing i did is i removed the stock yellow foam, placed a thin layer of open-cell foam in the cups, retained the stock felt that blocks the vents, and placed a disc of Arctic Bamboo at the center. it sounded off than stock because midrange somewhat became more prominent than the already prominent midrange of the stock tds-5m. treble became abit harsh as well and i have to remove the headphone after 10 seconds of listening. sorry no pics xD

 

next thing i did is to replace the Arctic Foam with an accoustic foam from an old (and dead) tannoy speaker and for some reason, i barely heard any difference between the two. maybe because im modding the headphones while sick. sorry no pics again! also tried leaving the open-cell foam only and it sounded more correct to my ears, midrange not too prominent anymore and i like it. but the treble is still lacking, which is expected.

 

i removed the accoustic foam, then cut some strips from Arctic Cotton, and because i dont have any skill to cut perfect circles, i did it like the picture below:

 

 

now it sounds more of my preference.treble not rolled off anymore, but not too much. midrange retained its "sweetness" from the open-cell foam. my problem now is that the bass' "meatiness" or "body" decreased. not by much but its noticeable. 

 

suggestions on how to make it sound better or balanced are welcome! balanced like midrange not too prominent, enough treble not to be rolled off, and bass hits enough on edm tracks for example.

 

sorry for the long post *cough cough* i should go back to sleep xD and thanks for looking!

post #20895 of 23474

gave it a second listen before going to work and i find the midrange sounds abit thin, specially vocals. doesnt sound correct at all. maybe due to too much focus on increasing the treble.

 

friend doesnt want to have it recabled so its going to be pads and dampening only!

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