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The Headphone Driver Pics Thread
May 7, 2024 at 10:04 AM Post #2,236 of 2,261
Cellulose of Fostex

20240507_204801.jpg

And voice coil have wired smaller than a hair. I tried to solder them, but failed.

20240418_143112.jpg



Nano paper of Denon

20240507_204817.jpg

They are have structure line square

20240507_204917.jpg
 
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May 7, 2024 at 8:14 PM Post #2,240 of 2,261
Tried the search function and I don't think an SR-Xmk2 driver has been posted already. Here it is, taken today during the transplant of SR-5 drivers in the SR-X frame (SR-X drivers need recoating...). Note the wires connected via screws, the SR-5 uses tabs (pic at the end).

driver rear
1715127032855.png


front (bottom) next to SR-5 driver (on top), note the different dust covers, stator designs also seem different. The SR-5 driver has no gunk as they just float in the cups, while the SR-X mk2 are attached with strong double-sided adhesive film.
1715126950220.png


One of the dust covers remained attached to the baffle and its ring got bent (repairable of course).
1715126922980.png


Bonus pic of the SR-5 driver rear before transplant.
1715126879611.png


You might wonder why transplanting: here are FR measurements on my flat plate rig of the same SR-5 driver before and after the transplant in the SR-X frame. Yes, the SR-5 frame is that awful, their drivers are great.

1715127155414.png
 
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May 15, 2024 at 3:37 AM Post #2,244 of 2,261
SHAMuuu said:
How did you bid on it? It was limited to ebay.de (Germany) ?

and if it did sell for 121 euro ... tht is a steal ... i think it's worth like $500-1k

but more importantly, tht green cups i think is Rarest ones besides the original/prototypes
Click to expand...
115 or so, its not a bad price but it wouldve gone for more as someone REALLY wanted them. They're rare but not that rare.

The nagra ones are rarer and more desirable, especially the DT-48S nagra
 
May 15, 2024 at 5:39 AM Post #2,248 of 2,261
SHAMuuu said:
I've never seen like a complete summary. Just bits and pieces here and there. I guess the actual thread has most of the information.

If it exists I would love to read it
Click to expand...
The "Beyerdynamic DT48 arrives" thread has a lot of info and Ive sort of written a compendium of them... Somewhere....

But yeah theres certainly more rare ones than others and better sounding ones than others.

The red-green ones are definetely rare, especially if serialised but otherwise sound like the standard beyer of the time.

Currently the model Im most after is a DT48S 5 ohm. I have the DT48S 25 ohm and that one is... Terrible, genuinely bafflingly bad. The worst DT48 Ive heard but apparently rhe 5 ohm DT48S is the best
 
May 15, 2024 at 6:18 AM Post #2,249 of 2,261
ludoo said:
Tried the search function and I don't think an SR-Xmk2 driver has been posted already. Here it is, taken today during the transplant of SR-5 drivers in the SR-X frame (SR-X drivers need recoating...). Note the wires connected via screws, the SR-5 uses tabs (pic at the end).

driver rear
1715127032855.png

front (bottom) next to SR-5 driver (on top), note the different dust covers, stator designs also seem different. The SR-5 driver has no gunk as they just float in the cups, while the SR-X mk2 are attached with strong double-sided adhesive film.
1715126950220.png

One of the dust covers remained attached to the baffle and its ring got bent (repairable of course).
1715126922980.png

Bonus pic of the SR-5 driver rear before transplant.
1715126879611.png

You might wonder why transplanting: here are FR measurements on my flat plate rig of the same SR-5 driver before and after the transplant in the SR-X frame. Yes, the SR-5 frame is that awful, their drivers are great.

1715127155414.png
Click to expand...
I actually like the SR5 but I might be biased since it was my first electrostat
 
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