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Orthodynamic Roundup - Page 1345

post #20161 of 23673
Quote:
Originally Posted by Arzack View Post

Hello, Sometimes, i'm lucky, i've found a HP-1, it sounds great of course, but it's incomplete, no headband....

 

So, if someone have any dimensions.....

 

Of course, i can build my own, in leather for example, but would prefer have the exact dimension !

 

If i found that can complete the thread with all the build and take some photos , that's can be usefull for every one !

 

Sorry for a so poor english !

 

Thanks a lot for you're forum

 

Normaly, now, the post is the good place !


Wasn't there one guy offering to make CAD-CAM headbands? I'm sure Wualta would remember this. Those headbands are often broke and the chance of finding a replacement is probably as slim as Twiggy.

 

DIY is another option:

http://www.sonavor.com/audio/yamaha/headphones/hp1/hp1_01.html

 

 

Good luck!

post #20162 of 23673

I posted this pic a while back but...

Headband.jpg

What iQEM posted might be most useful as it even has the hole layout! Wish I had that back then xP

The imagine I just posted is letter size no borders. I used a thick pleather and it's quite comfortable. Never tried with leather so I cannot compare, but one thing for sure is that a simple headband like this will be comfortable even without the two point support of the original headband.

I didn't particularly find the need to cut off the original two pointing points and superimpose it, instead I put the two "JAPAN" labeled plastic covers to find a suitable location, marked it with a pen, and drilled it.


Edited by kalbee - 7/4/12 at 7:45am
post #20163 of 23673
actually you would find it by search on google with the right keyword... wink.gif
post #20164 of 23673

I know :P but I essentially did what the person did, laying the headband flat and somewhat tracing it.

post #20165 of 23673
Thread Starter 

Thanks for lending a hand, kalbee. With your info and Joop's site, Arzack should be able to come up with something. Oh, and sorry, I don't recall anything about CAD-CAM headbands, and didn't find anything using LudoSearch at http://headfi.qix.it/megathreads/orthodynamic-roundup


Edited by wualta - 7/4/12 at 2:00pm
post #20166 of 23673

I know RD is too humble to post this himself  , but kudos for doing such a great job. These are measurements done by Purrin who dedicates many of his precious hours to further our interest and understanding .

 

YH1

 

 


 

YH3

 

 

 

These graphs tell us what we have always held true for these vintage orthos and it is a testament to many hours of fine tuning that we see such a flat frequency response.

 

congrats and thanks guys ..dB

post #20167 of 23673
Quote:
Originally Posted by dBel84 View Post

These graphs tell us what we have always held true for these vintage orthos and it is a testament to many hours of fine tuning that we see such a flat frequency response.

 

Wow, congrats RD!

 

Methinks it's time to update the search index... :)

 

Edit: done!


Edited by ludoo - 7/4/12 at 2:32pm
post #20168 of 23673
Thread Starter 

With the search engine updated and the good results from the old first-gen Yamahas, I feel like purrin' myself. Tip of the driving cap to Purrin and RD.

 

Are those your Yammers, dB?

post #20169 of 23673

Wow... 10kHz slain and buried. I need to do that on mines... >_<

post #20170 of 23673
Quote:
Originally Posted by wualta View Post

With the search engine updated and the good results from the old first-gen Yamahas, I feel like purrin' myself. Tip of the driving cap to Purrin and RD.

 

Are those your Yammers, dB?

These are RD's own yammers :

 

350x263px-LL-8a430cef_photo1.jpeg

 

I believe this is the picture of the suspects.

 

And, great job RD.


Edited by gurubhai - 7/4/12 at 8:49pm
post #20171 of 23673

as guru said - RD's Yammas and hard work , excellent results ..dB

post #20172 of 23673
Quote:
Originally Posted by dBel84 View Post

I know RD is too humble to post this himself  , but kudos for doing such a great job. These are measurements done by Purrin who dedicates many of his precious hours to further our interest and understanding .

 

YH1

 

 

 

 

These graphs tell us what we have always held true for these vintage orthos and it is a testament to many hours of fine tuning that we see such a flat frequency response.

 

congrats and thanks guys ..dB

 

Just WOW! Looking at these graphs is a pleasure guys. I'm so happy that I bought TDS-5m which are direct copy of Yamaha YH1. Sure I will post some internal pictures and photos of modification process and the results. To bad I have no measuring equipment to check the FR or CSD.

post #20173 of 23673

Just finished (temporarily) transplanting the 32ohm SFI drivers I got from BMF, thanks again Keith!

 

 

And sorry usual comment-- "sorry for the bad pics" and I hope I placed the drivers correctly LOL

263

 

Nothing is inside yet except the Flashband (Very cheap Dynamat replacement) on the baffle that I got from the D1001 since the Fostex and the D1001 have the same baffles.

263

 

 

Used hot glue to make the drivers stay in place, and i think its alot easier to remove than putty

263

 

 

Since the drivers are in NOS condition, I tried listening to it earlier and I feel that it sounds like a stock t50rp with bigger soundstage and imaging.

post #20174 of 23673
Nice! I knew orthos would look great on Kotori's! That's a pretty expensive foster phone though!
post #20175 of 23673

Dyaems: Ever think about slapping some sound absorbing foam (creatology?) onto the inside of the housings and maybe some polystuff/angel hair as a filler? It just sucks that that would cripple the aesthetics a bit. So cool that you can see the drivers, imo. Nj on the mods.

 

Edit -

Just got some new pads for my AT-707 "refurb" project.

P1120057.jpg

 

P1120060.jpg

 

Sounds pretty good and pretty comfortable so far. It's been at least an hour and very little discomfort. I do believe they'll be staying.

 

Thanks iQEM. You got me looking for new pads on eBay and I found a really nice deal bundling some stuff from seller go_me05. These pads aren't THE BEST, but for the price and for my application they're a relative bargain. I wouldn't hesitate buying another pair from him if I ever need something for a future DIY project. Perhaps some of the larger ATH-M50 or RP-DH1200 pads would be nice for something.


Edited by khbaur330162 - 7/7/12 at 11:27pm
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