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Orthodynamic Roundup - Page 519

post #7771 of 19952
2/9/09 at 7:55pm
Quote:
Originally Posted by BoilermakerFan View Post
I finally found a leather punch at a local craft store so I can mod the dampening on my YH-3s. Will reflowing the solder on the stock cable make much improvement in the SQ? I plan to polish the jack pin for now, but I need to order the Mogami to make a cable for the YH-3s, two Grados, and at least three sets of SFIs.
it depends how you reflow it. are you just going to heat it and let it cool, or are you actually going to wick away the existing solder and completely redo the joint?
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Gear mentioned in this thread:

Yamaha Stereo Headphones
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Fostex T50RP Closed Ear Stereo Headphones
post #7772 of 19952
2/9/09 at 9:15pm
VINTAGE, RETRO YAMAHA HP-50A ORTHODYNAMIC HEADPHONES on eBay, also Corded, Headphones, Accessories, Consumer Electronics (end time 09-Feb-09 21:38:31 GMT)

Seriously guys. More than £100 for these? Not to mash my words, but that is ****ing lunacy. Even if they were rare, which they aren't, and even though they're in decent condition, they're just not worth that sort of money. At all. I paid about a fiver for mine and sold them for similar. Now they're worth a bit more than that, but has the world of orthos gone ****ing mad? I'm actually throwing my hands in the air here. I looked when they had about half an hour to go and thought "£30 is a little bit steep but they are in pretty good nick."

Lunacy.

Really. Madness. Thats like paying more than $300 for an MS-1.
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post #7773 of 19952
2/9/09 at 9:20pm
Quote:
Originally Posted by Random Murderer View Post
it depends how you reflow it. are you just going to heat it and let it cool, or are you actually going to wick away the existing solder and completely redo the joint?
I planned to vacuum/wick away the old crap solder and replace with my true eutectic 63/37 solder.
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post #7774 of 19952
2/9/09 at 9:30pm
Quote:
Originally Posted by Duggeh View Post
VINTAGE, RETRO YAMAHA HP-50A ORTHODYNAMIC HEADPHONES on eBay, also Corded, Headphones, Accessories, Consumer Electronics (end time 09-Feb-09 21:38:31 GMT)

Seriously guys. More than £100 for these? Not to mash my words, but that is ****ing lunacy. Even if they were rare, which they aren't, and even though they're in decent condition, they're just not worth that sort of money. At all. I paid about a fiver for mine and sold them for similar. Now they're worth a bit more than that, but has the world of orthos gone ****ing mad? I'm actually throwing my hands in the air here. I looked when they had about half an hour to go and thought "£30 is a little bit steep but they are in pretty good nick."

Lunacy.

Really. Madness. Thats like paying more than $300 for an MS-1.
I'll admit to being the second highest bidder....and yes my bids were lunacy. Im actually relieved I didnt win it at that price now...the only reason I was bidding was to get a mint housing for my current HP-50S (and now I feel like a plonker lol).
But yes, I think the price of a stock set of these shouldnt really go more than £30.
Especially since the drivers vary wildly on these models. (if you can demo a set, and know exactly what your getting, then I think the price can be justifiably higher)
It's rather funny, most of the sound I like a lot out of my pair is from the corroded cable (which I hacked into dual entry using old wire pulled from our house wall!) without it, my pair became rather boring...

I hope the UK meet actually does happen Duggeh, and if we are both there, i'll make you listen to my crusty pair of Yamahas .
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post #7775 of 19952
2/9/09 at 9:34pm
I'm done with orthos now of course. Just need to get my Orthodome woodied up and cables in.

The new project is with the Precide AMT drivers. Same idea behind all the ortho madness, but better



They look much neater than that now, but I've no camera atm. The aim is to try and get ahold of a Stax 4070 headband for the finished article which will hopefully be ready for any UK meet.
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post #7776 of 19952
2/9/09 at 9:37pm
Quote:
Originally Posted by Duggeh View Post
I'm done with orthos now of course. Just need to get my Orthodome woodied up and cables in.


They look much neater than that now, but I've no camera atm. The aim is to try and get ahold of a Stax 4070 headband for the finished article which will hopefully be ready for any UK meet.
Wow,
Well hope I can make it to a meet your in, it should be interesting!
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post #7777 of 19952
2/9/09 at 9:58pm
Duggeh, those are ghettolicious! (although the use of duct tape would have taken it up a notch)

Are the Precide AMT planar magnetic drivers? If so I will have to investigate.
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post #7778 of 19952
2/9/09 at 10:13pm
Quote:
Originally Posted by wualta View Post
I believe it was the Russian headphones chart posted by Angelic that tipped me to the SS-100's existence. Interesting that Kabeer will be getting the headphone inspired by the big-driver Fostexen, the TDS-15, which looks a lot more like an old T50 than it does an SS-100.
It seems you have the reason. There was discussion on russian forum about this TDS list. Most of people doubted that list reflects exact straight analogs TDS to "western" headphones. This chart is just bureaucracy report to soviet state department telling that soviet headphones "are not worse" than the best headphones from the West. It's not obvious that TDS-15 is the copy of Sansui SS-100. So you maybe right when you pointed that TDS-15 is closer to Fostex T50. Only comparison side by side can help to solve this question but i've never heard nor old Fostex T50 nor Sansui SS-100.
By the way, my post about TDS-15 is still here:
Amfiton TDS-15 - The Planartarium
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post #7779 of 19952
2/9/09 at 10:23pm
Quote:
Originally Posted by Vaughn View Post
Duggeh, those are ghettolicious! (although the use of duct tape would have taken it up a notch)

Are the Precide AMT planar magnetic drivers? If so I will have to investigate.
They do come under the planar magnetic overcatagory. Think of them like a corrugated ribbon and you've got the basic idea.

I don't have any duct tape. Got electrical tape, sellotape, masking tape and parcel tape, sellotape was the best for the job.

I'm got the measurements for mounting them in a new housing, tricky is working out the actual design of the housing and how to make it. It'd be helpful to have the 4070 headband prior to starting but I've had no reply to my inquiry into getting one yet so I'm stuck with the HD201 (now minus the cups) for now.
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post #7780 of 19952
2/10/09 at 1:03am
Quote:
Originally Posted by Serge44 View Post
It seems you have the reason. There was discussion on russian forum about this TDS list. Most of people doubted that list reflects exact straight analogs TDS to "western" headphones. This chart is just bureaucracy report to soviet state department telling that soviet headphones "are not worse" than the best headphones from the West. It's not obvious that TDS-15 is the copy of Sansui SS-100. So you maybe right when you pointed that TDS-15 is closer to Fostex T50. Only comparison side by side can help to solve this question but i've never heard nor old Fostex T50 nor Sansui SS-100.
By the way, my post about TDS-15 is still here:
Amfiton TDS-15 - The Planartarium
Ah, I love the Soviet Union. Thanks for posting about the TDS-15.

I wonder how the impedance is 16 ohms if it's a big Fostex driver. Kabeer, I can't wait for impressions.
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post #7781 of 19952
2/10/09 at 2:30am
Is there any way to get new pads for the YH-100? I tried sticking my K141 pads on top of the yh pads (the akg pads have sticky ribbons on them) for a double pad, and it had a "liberator" affect (ever seen the liberators for Grado headphones? the create a chamber between ears and driver). Anyway, it had a similar affect, really opened them up, got rid of the calloustrophobic sound, and imaging became really hollographic. It wasn't perfect, but I am looking at these old pads, and thinking that when they were new they must have been thicker, denser.

I know from my experience with the K240 sextett that old pads have a pretty drastic negative affect on the sound. So it seems that getting new pads of some sort for these would really help open them up. Right now, it's almost as if there is nothing at all, no spacer between the drivers and the ear.
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post #7782 of 19952
2/10/09 at 2:33am
by the way, my current damping scheme is almost the same as how I got them from ludo.

Thin white felt around the sides of the cup, cotton in the center of the back, thin black felt right behind the driver, and I took the thick cloth out from my K81dj pads, and put that in the back of the cups. It sounds pretty good right now in terms of tonality... If these had soundstage they would be the best thing ever!
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post #7783 of 19952
2/10/09 at 2:44am
Quote:
Originally Posted by ludoo View Post
Wow, 105£ is a bit steep for a pair of HP50A. They look in nice condition though.
Now the 105$ I ended up paying for my 50S with shipping and fees etc doesn't sound so horrible anymore... but that was without the box. (not that I care about the box but maybe it matters for the price)
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post #7784 of 19952
2/10/09 at 3:17am
Quote:
Originally Posted by rhythmdevils View Post
Is there any way to get new pads for the YH-100? ..... Right now, it's almost as if there is nothing at all, no spacer between the drivers and the ear.
I had them for a short period before shipping them off and those pads are pretty standard for YH100s. I think they were thin to start with , my ears actually touches the metal driver on mine. One day I am going to try and make angled pads but short of that, I wouldn't bank on any improvements from new pads even if they were available. I have looked at the AT ESW9 pads - I think they would be very cool if you could actually buy them. pricey too, no doubt ..dB


ps Duggeh, you are crazier than i gave you credit for
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post #7785 of 19952
2/10/09 at 3:21am
Thread Starter 
Quote:
Originally Posted by Kabeer View Post
It's rather funny, most of the sound I like a lot out of my pair is from the corroded cable (which I hacked into dual entry using old wire pulled from our house wall!) without it, my pair became rather boring...
You had me for life when I read that about yanking wires out of the wall to recable your HP-50.

Quote:
Originally Posted by Vaughn View Post
Are the Precide AMT planar magnetic drivers?
They're magnetic but they're not planar except possibly in appearance. They squeeze air out rather than pushing it back and forth. Which means the bass is limited by the volume of air contained in their pleats.

Quote:
Originally Posted by Serge44 View Post
Most of people doubted that list reflects exact straight analogs TDS to "western" headphones.
In the case of the TDS-15, the list is a little inexact. For the TDS-5, it's spot on.

The reason I mention the TDS-15/SS-100 pairing is that the TDS-15 looks from the outside much more like the T50 but also because the magnet structure of the TDS-15 most closely resembles that of the T50. The SS-100 uses slotted ferrite discs.

The voice coil on the TDS-15's diaphragm actually looks more like the Wharfedales's than it does any of the Fostex cans. The shortened path length is undoubtedly responsible for the low impedance.

By the way, thanks for all the info on the TDS-15, serge44. A member in England should be receiving his own TDS-15 soon, and doing a review.
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Gear mentioned in this thread:

Yamaha Stereo Headphones
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Fostex T50RP Closed Ear Stereo Headphones
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