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Orthodynamic Roundup - Page 1421

post #21301 of 23474

I concur with the soundstage issue, but it's curious that you (dB) find the HP-50 uncomfortable. They fit kinda ok on my head - maybe a bit tight, but not too much. Though, I rarely do a listening session longer than 20-30 minutes.

 

I took the HP-50 to the girlfriend's place today to let her try them for the first time - she does some amount of choir singing, so I thought she might appreciate the sound. As she put the phones on her head, the first comment was that they seemed comfortable. Unfortunately, her onboard Realtek chip couldn't handle the HP-50 too well; there was practically no bass and only just enough volume for a normal listening level. What she found about the sound, regardless, compared to her KSC75, was that the singers' consonants (like 'k') sounded especially clear - to the point she could visualize them being physically produced. The KSC75, she said, kinda just blurted the consonants out. She seemed to really enjoy (approaching what looked like eargasm level) a particular singer with the HP-50, who she said sang more in the upper registers - where I guess the lack of bass wouldn't be such a problem.

 

All in all, the HP-50 got a better reception from her than the HOK 80, even though the HOK had the benefit of being run off a proper amp.


Edited by vid - 3/15/13 at 8:45pm
post #21302 of 23474

Gurubhai :What were you doing with the YHE50a was the stock housing not to your liking>?

post #21303 of 23474
Quote:
Originally Posted by oyster View Post

Sure bro. How about next weekend? 

My YHE50 transplant turned out to be a big FAIL!

Having realized i won't be able to do them justice, I'll bring along the drivers & you can make them your test subjectbigsmile_face.gif

Sure. Next weekend would be be perfect.

 

Quote:
Originally Posted by nick n View Post

Gurubhai :What were you doing with the YHE50a was the stock housing not to your liking>?

The YHE50A is mono & would have required recabling before it could be used. The stock YHE50 housing is flimsy and I managed to break a few clips despite following Kabeer's guide & it won't close properly after that. So, I just decided to transplant the drivers into a sony mdr ma100 :

 

post #21304 of 23474

uh oh it's that hard to open is it ?

I have a new looking one coming. You can't run a strip of tight electrical tape around the edge. I did that with the HP-50A I recabled just to seal up the seam between baffle and cup edges. After the pads are flapped over the edge it can't be seen. then again the YHE pads are flush mounted with no flaps if i recall, so that won't work.

 

 Everything i read so far ( not much on them ) impressions say they are pretty good as is, maybe a minor bit of damping. Think I will try to keep them in the stock housings and cross my fingers opening them. I already know what NOT to do from the HOK80 and the HP-50Aph34r.gif

 

Thanks for checking in and mentioning them.

 

Oh an MA-100 the newer Sony thing I first thought it was something else in the picture. That's going to be interesting! Great idea for a transplant shell


Edited by nick n - 3/15/13 at 11:49pm
post #21305 of 23474

It is.mad.gif

I was really mad when I  managed to damage them because they were basically NOS before I tried opening them. ( Yours should be similar so be careful)

The HP50 are a breeze to open compared to YHE50. The clips on yhe50 are very fragile & Yamaha has done us the kindness of gluing the baffle. Kabeer wrote the guide & stlill managed to break few clips & so did I.
 

post #21306 of 23474

gluing the baffle also ///frown.gif  We shall see what happens i guess. Off to go find the instructions from kabeer.

post #21307 of 23474
post #21308 of 23474

Hey guys, looking for someone willing to sell or trade a Sansui SS-100. I've looked around everywhere for one and figured it couldn't hurt to ask here.

 

Great thread by the way, I've only taken a cursory look at it but still learned quite a lot.

post #21309 of 23474

Boy an SS-100 that would be nice. ^

 

Just revisited the open backed SFI pioneer portables I had not used for a bit. They were in need of some upper register increases and since the interior was severely limited for space due to the past 3-layer Acoustipack tweaked foam disc I had in there, I opted to try something completely new and started from scratch.

Yeah strange pads but leather and when on properly they work excellent. Also need to trim down the gasket  that is protruding from the seam there.

 About 12 trials later I think I found something that gives me what I need. You know the see-saw effect change this and then that changes etc. I can't go any larger on new screw sizes again either so this is it.

 

Spatial sound, depth of bass, tightness of sound, and enough highs to keep me happy. The highs are just a notch above dark sounding and just below any sense of sibilance ( at least on the tracks i tried so far ). Riding that irritating sometimes hard- to-nail-down boundary there. Since they are to be portable outdoors use this may not be so bad anyhow.

I wasn't expecting this type and level of lows with the open back, then again this damping material would be the reason:

 

INSOLE FELT 8mm thick

 

Only remembered the stuff because I was researching some Russian orthos and recall BMF had used this exact material I sent to good effect on his Russian TDS-5 HP-1 "clone" we now know is sort of but not entirely one. ( on the wish list for down the road )

 

Direct damping the SFI driver rears with both a disc of Arctic Bamboo and Cotton materials in combination with this insole felt , as well as trying to line the cup rears with Arctic Bamboo/Cotton + the insole felt proved just too much, so I let it fly nice and open on the driver rears and wowza. Just this insole felt in the cup space and it presses just enough on the driver rears.

 

It's funny stuff you can apply pressure and it simply sort of wants to slide out from under your fingers a bit to the sides, doesn't seem to ever get too tight under compression which is ideal I think. I'll have to go get some more it's really cheap.

 

 Now  considering it in the HP-1, but that is nice already.  Always something new to try though right then the second guessing as I look at some other things.


Edited by nick n - 3/17/13 at 9:44pm
post #21310 of 23474
Quote:
Originally Posted by nick n View Post

Boy an SS-100 that would be nice. ^

 

Just revisited the open backed SFI pioneer portables I had not used for a bit. They were in need of some upper register increases and since the interior was severely, limited for space due to the past 3-layer Acoustipack tweaked foam disc I had in there, I opted to try something completely new and started from scratch.

Yeah strange pads but leather and when on properly they work excellent. Also need to trim down the gasket  that is protruding from the seam there.

 About 12 trials later I think I found something that gives me what I need. You know the see-saw effect change this and then that changes etc. I can't go any larger on new screw sizes again either so this is it.

 

Spacial sound, depth of bass, tightness of sound, and enough highs to keep me happy. The highs are just a notch above dark sounding and just below any sense of sibilance ( at least on the tracks i tried so far ). Riding that irritating sometimes hard- to-nail-down boundary there. Since they are to be portable outdoors use this may not be so bad anyhow.

I wasn't expecting this type and level of lows with the open back, then again this damping material would be the reason:

 

INSOLE FELT 8mm thick

 

Only remembered the stuff because I was researching some Russian orthos and recall BMF had used this exact material I sent to good effect on his Russian TDS-5 HP-1 "clone" we now know is sort of but not entirely one. ( on the wish list for down the road )

 

Direct damping the SFI driver rears with both a disc of Arctic Bamboo and Cotton materials in combination with this insole felt , as well as trying to line the cup rears with Arctic Bamboo/Cotton + the insole felt proved just too much, so I let it fly nice and open on the driver rears and wowza. Just this insole felt in the cup space and it presses just enough on the driver rears.

 

It's funny stuff you can apply pressure and it simply sort of wants to slide out from under your fingers a bit to the sides, doesn't seem to ever get too tight under compression which is ideal I think. I'll have to go get some more it's really cheap.

 

 Now  considering it in the HP-1, but that is nice already.  Always something new to try though right then the second guessing as I look at some other things.

 

That stuff is great. If you have dollar stores where you are they have a grey version that is really coarse and offers more "Breathing" Oh and if you need bleed through earpads (Think Stax here) the memory foam insoles are two layers of thin memory foam sandwiching open cell foam, the possibilities are endless.

post #21311 of 23474

I actually never thought about the memory foam insoles, no idea why but  that's a great suggestion for ( insert blank purpose here ) .

 

Will keep an eye out for the grey versions of the insoles also.

 

Always good to have the odd little thing kicking around in the modding supply drawers. And the layered aspect might work for something.

There is some interesting foam Kalbee sent me  here also. From a pillow i think.


Edited by nick n - 3/17/13 at 9:43pm
post #21312 of 23474
Quote:
Originally Posted by nick n View Post

I actually never thought about the memory foam insoles, no idea why but  that's a great suggestion for ( insert blank purpose here ) .

 

Will keep an eye out for the grey versions of the insoles also.

 

Always good to have the odd little thing kicking around in the modding supply drawers. And the layered aspect might work for something.

There is some interesting foam Kalbee sent me  here also. From a pillow i think.

 

I had a diabolically difficult time with a set of portables that I just could not get right. Solid pads and the bass thumped and muddied, pure foam and the tinniness crept up, The memory foam bled off just enough of the bass to balance out the phones and they turned out great. They are comfortable as all get out and do not seem to heat up at all when wearing for long periods of time. There are also a 3X5 makeup pad which is cotton and about 3 mm thick but can be teased out to enormous proportions. I think they are 50 for a buck.

post #21313 of 23474

I shudder at the amount of time these have been opened up. One of the earliest things I made. They deserved some final "closure" bigsmile_face.gif

 

Also add in the resonant haze that somehow gets in there and it's frustrating at times, but end results we can all feel proud of i think. I've slowly learned to prefer something that doesn't have as much of a super-duper wow factor at first listen, that always tends to get tiresome as time goes on. Had these on all night and nothing amiss so far, forgetting about them and enjoying the music is where it should be at .

 

Think I have some makeup pads here somewhere ( for MODDING ) lol have to dig those out again.

post #21314 of 23474
Quote:
Originally Posted by nick n View Post

I shudder at the amount of time these have been opened up. One of the earliest things I made. They deserved some final "closure" bigsmile_face.gif

 

Also add in the resonant haze that somehow gets in there and it's frustrating at times, but end results we can all feel proud of i think. I've slowly learned to prefer something that doesn't have as much of a super-duper wow factor at first listen, that always tends to get tiresome as time goes on. Had these on all night and nothing amiss so far, forgetting about them and enjoying the music is where it should be at .

 

Think I have some makeup pads here somewhere ( for MODDING ) lol have to dig those out again.

 

I'm pretty much over the wow phase on just about any phone. I have realized that it takes a good half hour for my ears to acclimatize to any mod or new phone so I am patient for that amount of time. I do sometimes scratch my head when working over a set, thinking, "man maybe I just should make a new enclosure and be done with it" Usually while eyeing a sheet of ceramic that I have been half dying to form into something useful.

 

 I have a friend who has a useful test. The equipments good if you are not even tempted to answer a phone call while listening:)

post #21315 of 23474

Took me a while to settle on a scheme for the HP-50 that, instead of giving the initial wow but then falling short soon as the wow wears off, instead doesn't immediately hit you but as you listen on you realize how good the sound is.

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