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Orthodynamic Roundup - Page 588

post #8806 of 23451
Quote:
Originally Posted by Kabeer View Post
In this case its a little high. But like its been mentioned a gazzilion times. But please dont post direct ebay links for an active ortho auction. It makes it v.hard for people to get them at good prices on that auction then.

I think the seller has shot himself in the foot with bank transfer only anyway. Since it makes the already high cost even higher....
yup, i believe you should remove the dirrect link...
post #8807 of 23451
I humbly appologize. The link has been removed. I use EZ sniper with my max bid and just leave it alone until it's over. Win or Loose. Done deal. I find it helps avoid bidding wars. It's a thin line between starting a bidding war and just wanting to make sure that Head-Fi'ers know it's out there. Again Sorry.
post #8808 of 23451
Quote:
Originally Posted by DefectiveAudioComponent View Post
It was a line of text there. Not much of a beginning, I think. Is that something to be excited about?
you shall find out in a week or 2
post #8809 of 23451
Quote:
Originally Posted by fsma View Post
you shall find out in a week or 2
In that case it better be some amazing orthos of your own design that you sell there

Anything else will disappoint
post #8810 of 23451
Quote:
Originally Posted by DefectiveAudioComponent View Post
In that case it better be some amazing orthos of your own design that you sell there

Anything else will disappoint
Oh, I don't know, pictures of naked women holding orthos wouldn't disappoint me.
post #8811 of 23451
Quote:
Originally Posted by BoilermakerFan View Post
Oh, I don't know, pictures of naked women holding orthos wouldn't disappoint me.
.....you may be onto something....
post #8812 of 23451
Quote:
Originally Posted by boomy3555 View Post
I humbly appologize. The link has been removed. I use EZ sniper with my max bid and just leave it alone until it's over. Win or Loose. Done deal. I find it helps avoid bidding wars. It's a thin line between starting a bidding war and just wanting to make sure that Head-Fi'ers know it's out there. Again Sorry.
Thats cool boomy! . I think unless it's SUPER hidden, that pretty much every ortho thats appears on ebay USA results are always under watch from head-fiers .
But still thanks for the good will. (Still, I dont want to be stepping on everyones toes either, it's just I think most people in the thread prefer it if the links arent shared whislt the auction is active....hope I am not mistaken)

The only one that I think evaded everyone was the Fostex T30 goldmine that ericj won, dunno how the heck he spotted it.

Btw, speaking of T30's, someone just got a lovely deal on a Boxed T30 from Japan , congrats whoever you are.

Quote:
Originally Posted by BoilermakerFan View Post
Oh, I don't know, pictures of naked women holding orthos wouldn't disappoint me.
Hahaaaa, the Wencke pic got everyone inspired
post #8813 of 23451
Quote:
Originally Posted by dBel84 View Post
Quote:
Originally Posted by boomy3555 View Post
I came across these Calrad 15-148 headphones in my surfing and wondered if they are ortho or not and if anyone has heard them. Samarium Magnets and 600ohms ?
http://www.calrad.com/download/15%20Series.pdf

They seem pretty obscure but for 70.00 who knows
15-148
PROFESSIONAL SERIES HEADPHONES
Lightweight stereo headphones with Samarium Cobalt magnets. Weight is less than 6.5 oz. for continuous listening. Comes with 7 ft. cord and terminated with a gold 1/4" stereo phone plug.
Specifications:
Impedance......................................... ...... 600Ω Sensitivity....................................... .......... 105 dB
Frequency Range ....................... 18-22,000 Hz Weight............................................ ..... 175 grams
Max. Power Input....................... 3.1v (300mW) Color............................................. ................ Black

These "look" right but the impedance suggest to me that they are dynamic - perhaps not; aren't some of the Russian models high impedance?? - only one way to find out ;-)

let us know when you get them boomy ..dB
hmmm, interesting...
post #8814 of 23451

Fostex T50RPmkII modding

I just got a request from Boomy regarding the modding of these HPs as he was unable to find a concise "this is what I did" post.

So here is what I did

As for the T50rp - here is the basic premise
1. mass load the cups - I did this by rolling 4 "tubes" of blutak/molding clay and pressing it down into the bottom of the cups ( leave space on either side of the rolled tube so as not to diminish the internal volume too much )
2. use cotton balls / polyfill on either side of tube
I now added a cork farme for further cup stability and some mass loading - essentially a gasket 5mm+ wide that fits inside the cup and presses up against the sides.
3. damping next
a. thick, dense felt donut
b. reticulated foam ( good old green dish scourer ) as a central puck
c. layer of thin dense "ish" felt on top of that.
4. driver baffle - filled entire thing with latex based bathtub sealant ( beware of the socket for the cable )
5. filled in the lip of the baffle with speaker sealant - bitumen type caulking (blutak would work)
6. added reflex dot to central square of driver
7. tuned bass port with electrician tape on the outside - left the internal damping intact.



When I get some time, I will dig out a feeble image I did take - did not document the entire process as it was an evolution. I will also try and find smeggy's "what he did" and link it in this post to help the search tool find it all.

Found a 100 pages ago !!!! - my gad somefolk have a lot to say

Quote:
Originally Posted by smeggy View Post
Well, you know that bit where I said I'd have a good listen before doing the dirty on them?

I lied hehe

Bitumen lining the cups to kill that plastic resonance. Nice and dead now.



Felt pad just sat in the cup to soak up random waves as they float about.



Reflex dot that won't do much given the cup design which has one build into the rear of the cup seen in the previous pics.



Filling the baffle plate braces with epoxy putty to mass damp it a bit and add some strength. Plastered liquid nails over that.



Bass is a little less now but tighter and considerably less tubby and boxy. It'll never be a big hairy bass monster as the driver is pretty tiny but what is there is nice, goes pretty deep and sounds good. It still doesn't have any major flaws anywhere and is a smooth sound with a nicely neutral top end. Efficiency is fairly good too.

I didn't want to get too extreme on it's ass this early into the relationship, time will tell how well we mesh, for now she's very pleasing indeed
there is more so go back to page 438 and read on if you want to see the entire evolution to this






..dB
post #8815 of 23451
ooohhh my, lost again...



now who's that lucky person ?
post #8816 of 23451
iQEM has mad ortho skills already

P.S: Wasn't me, either...
post #8817 of 23451
ahahahahaaa, well actually i'm still tryin to grab some cheap ortho's until my SFI's set arrive...
post #8818 of 23451
Quote:
Originally Posted by iQEM View Post
ooohhh my, lost again...

now who's that lucky person ?
Apologies brother, this was a joint purchase by Ludo and I.
Don't worry, I think you wont have a problem winning a HP-3/50 variant from now .

Quote:
Originally Posted by dBel84 View Post
MMmmmmm Kingwood!! Reminds of Cocobolo !!
post #8819 of 23451
Quote:
Originally Posted by Kabeer View Post
Apologies brother, this was a joint purchase by Ludo and I.
This pair of HP3 will make the Magical Yammy Tour a reality. That's hoping they are the bass-heavy version ofc.
post #8820 of 23451
Quote:
Originally Posted by ludoo View Post
Quote:
Originally Posted by Kabeer View Post
Apologies brother, this was a joint purchase by Ludo and I.
Don't worry, I think you wont have a problem winning a HP-3/50 variant from now .
This pair of HP3 will make the Magical Yammy Tour a reality. That's hoping they are the bass-heavy version ofc.
that's okay guys, just hope there's another more would show up...
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