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Just listened to some Fostex T50RPs today... WOW! - Page 739

post #11071 of 11083
Quote:
Originally Posted by SeEnCreaTive View Post

@cCasper TFG Oh sweet Jesus. That blue.

How did you paint the rails?
I sandblasted them down to bare metal and then painted them with Rustoleum. Easy peasy.
post #11072 of 11083
Quote:
Originally Posted by c61746961 View Post

Oh, man, the stealth ones look so good...

Those are mine. smily_headphones1.gif love them! Will be doing a full on review of them very soon.
post #11073 of 11083
post #11074 of 11083
Quote:

Well, well, well....this is an interesting turn of events.
post #11075 of 11083
Been mucking about in the garage again...this time Paduak:



Also traded a Woody build for these two pairs:





Looking forward to more ortho madness! TDS 5 M and TDS16
post #11076 of 11083

What the heck is that a paintjob on the TDS5M? Has to be.??? ( need to know )

That'll be the only faded red known, that I am aware of, if it is legit. wait those are stock pads too aren't they..so that meanssssss....:blink:cool stuff

 

Hope you get the regular bassy version not the bass " lite ". If it turns out to be bass "lite ' prepare for some intense mods. I did one up with some success according to the owner.

 

I rather enjoy the larger TDS-16 stock form ( pads redone ). I can't tell if they are larger drivers or simply the same ones as in the smaller TDS16. It could very well be either, quoted specs have been wrong before and there are  versionsthat have black strain relief vs. blue and red versions= identical black strain relief to the smaller ones. Who knows. I have not opened them yet.

 

Plans for either of those?

 

Back on topic though:

 

Cups looking seriously great. I have to fetch an old school smaller lathe from storage and get moving on some cups also. thanks for the continuing inspiration.

BTW GREAT SCORE!


Edited by nick n - 4/17/15 at 12:47pm
post #11077 of 11083
Quote:
Originally Posted by fleasbaby View Post

Looking forward to more ortho madness! TDS 5 M and TDS16

Between those and your Zens, you're a busy boy!
post #11078 of 11083
Quote:
Originally Posted by nick n View Post

Hope you get the regular bassy version not the bass " lite ". If it turns out to be bass "lite ' prepare for some intense mods. I did one up with some success according to the owner.

More than "some" success.. the owner thinks you pretty much nailed them! :-)
post #11079 of 11083
Quote:
Originally Posted by nick n View Post

What the heck is that a paintjob on the TDS5M? Has to be.??? ( need to know )
That'll be the only faded red known, that I am aware of, if it is legit. wait those are stock pads too aren't they..so that meanssssss....blink.gif

Hope you get the regular bassy version not the bass " lite ". If it turns out to be bass "lite ' prepare for some intense mods. I did one up with some success according to the owner.

I rather enjoy the larger TDS-16 stock form ( pads redone ). I can't tell if they are larger drivers or simply the same ones as in the smaller TDS16. It could very well be either, quoted specs have been wrong before and there are  versionsthat have black strain relief vs. blue and red versions= identical black strain relief to the smaller ones. Who knows. I have not opened them yet.

Plans for either of those?

Back on topic though:

Cups looking seriously great. I have to fetch an old school smaller lathe from storage and get moving on some cups also. thanks for the continuing inspiration.
BTW GREAT SCORE!

So the trader is a fellow head-fier...he was going to send me a straight black pair. There were problems though, and so he switched them out for these, which he said are a genuine, stock red pair, no mods...both pairs of cans are NOS. This is my first time around with any ortho aside from the T50rp...REALLY looking forward to the experience.
Quote:
Originally Posted by waynes world View Post

Between those and your Zens, you're a busy boy!

Just a little...need to slow down. Also got a new amp in the mail yesterday. A very minty vintage Advent 300. Sounds gorgeous, especially the phono stage. Drives the unwoodied, modded T50rp and the Zens very well...
post #11080 of 11083


Finally had a tiny bit of spare time to make some really fast baffles from some poplar I had in the garage. Taped the alpha pads to the cups, with no mods, these don't sound good. They have "air" to them, but, just no....so I'll try heavy felt on back of drivers, other pads, then finally, I'll simply close the cups and do the normal t50 mods!
post #11081 of 11083
Stratocaster successfully tuned (very flat) a bunch of open T50RP mods, he mentioned he had to dampen the driver quite tightly for it to perform correctly (some sort of felt + paper + medium density foam IIRC). I think you will need at least very dense felt or additional paper / micropore layers over the stock damping AND a disc of medium density open-cell foam to get good results (packing foam works fine).
post #11082 of 11083
Quote:
Originally Posted by c61746961 View Post

Stratocaster successfully tuned (very flat) a bunch of open T50RP mods, he mentioned he had to dampen the driver quite tightly for it to perform correctly (some sort of felt + paper + medium density foam IIRC). I think you will need at least very dense felt or additional paper / micropore layers over the stock damping AND a disc of medium density open-cell foam to get good results (packing foam works fine).

at that point, is there any point in it being open back? with all that may as well just make a full wood closed cup for them.

post #11083 of 11083
I don't think either the felt or foam will reflect much (if any) of the backwave, in contrast to a cup, so you will not have to worry about internal damping. It will also be easier to achieve a smooth FR with such semi open back.
In my experience, a major contributor to the 'closed-in' sound is an underdamped, reflecting earpad that boosts bass and interacts with the treble negatively. My current pair doesn't sound any more closed than the K7XX, in fact I think they sound more even and realistic. I'm using the HM5 velour pads which are fairly leaky and absorb a lot of the treble.
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