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Fostex T50RP Incremental Mods and Measurements - Page 71

post #1051 of 2259
Quote:
Originally Posted by MuZo2 View Post
 



 

 

 

 


 Wanted! :deadhorse:

post #1052 of 2259
Quote:
Originally Posted by micmacmo View Post

 

Wow, those are beautiful. I hope they sound as good as they look!


Yes they do now after 3months of various damping schemes , Now got a nice deep bass and  clear mids.

Initial varioations had tons of bass but did not like how mids sounded also there was some ringing which was annoying.

 

I have settled on

Thin felt behind driver(Disc)

Articwool layer(Donut)

Glass wool

 

I have to make new shells now because of lot of experiments the shells have started to crack as seen in pic. Now that damping is sorted I can make new cups.

post #1053 of 2259
Congrats on the successful and beautiful mods! It can be a long and tedious effort but when you hit on that special set of mods, it's very satisfying.
post #1054 of 2259

All time Top Rated Posts: #1.

post #1055 of 2259
Quote:
Originally Posted by MuZo2 View Post
 

All time Top Rated Posts: #1.

 86 "reps"

 

Need to get more. Anyone who hasn't done so go and thumbs-up the main first post.


Edited by nick n - 6/25/14 at 8:28pm
post #1056 of 2259

I am looking for replacement baffles for my T50rp. If anyone has woodied their T50rp and has an extra pair of stock baffles, I would gladly buy them from you.  Failing that, I could also be interested in a full set of woodied cups and baffles.

post #1057 of 2259
Thread Starter 
Quote:
Originally Posted by narrow bights View Post
 

I am looking for replacement baffles for my T50rp. If anyone has woodied their T50rp and has an extra pair of stock baffles, I would gladly buy them from you.  Failing that, I could also be interested in a full set of woodied cups and baffles.

I will send you spare stock baffles. PM your address and it is Done.

post #1058 of 2259

That is awesome.

post #1059 of 2259
Thread Starter 
Quote:
Originally Posted by narrow bights View Post
 

That is awesome.

:-)

 

Your pleasure is mine.

 

BMF

post #1060 of 2259
Thread Starter 
Quote:
Originally Posted by bluemonkeyflyer View Post
 

:-)

 

Your pleasure is mine.

 

BMF

 

I should add that Dan "The Man" Clark sent me a bunch of un-needed baffles and cups a few months ago, free of charge.

What I will send you are parts he sent to me...sharing the love... from mrspeakers.

 

~ BMF

post #1061 of 2259

Well, thanks for sharing. Thanks also for the extra parts, Newplast, and Twaron.... you have been wildly generous and I can't believe my luck only minutes after posting my request.  Looking forward to restoring my T50rp to better health.  

post #1062 of 2259
Thread Starter 
Quote:
Originally Posted by narrow bights View Post
 

Well, thanks for sharing. Thanks also for the extra parts, Newplast, and Twaron.... you have been wildly generous and I can't believe my luck only minutes after posting my request.  Looking forward to restoring my T50rp to better health.  

 

I'm happy to help a fellow "DIY Modder."

 

Good luck with your restoration. Please post your final damping scheme.

post #1063 of 2259

Hey all!

I am going to be a new T50RP owner in a few weeks when they arrive, much props to BMF and all the other DIY'ers for the amazing work done on these headphones. As a T50RP newbie just arriving very late to the party and looking through the overwhelming quantity of information on all the mods that have been done. Where does one start with these headphones? Is there a must do list of mods that should be performed? I am really not up to building the cottage dock crib work and ladder rung paxmate array, Incredible dedication and work by the way.

 

Basically I'm looking for a short list of mods that might flatten out the curve and don't require an engineering degree to figure out, or ones that are a recommended must do. I hope this doesn't sound like the "What tubes are best for my amplifier" question we get all the time in the tube rolling threads, if it is I do apologize. ;) 

:beerchug:

post #1064 of 2259

Get some Shure 840 pads (~$20), some felt or cotton or other fuzzy breathable material (free from your bathroom or sock drawer).

 

step 1: pull off the old pads, stretch the new ones, carefully slip them on

 

actually you can stop here

 

step 2: open the cup, toss something fuzzy in there

 

step 2b: and/or slip something under the pad

post #1065 of 2259
Thread Starter 
Quote:
Originally Posted by TrollDragon View Post
 

Hey all!

I am going to be a new T50RP owner in a few weeks when they arrive, much props to BMF and all the other DIY'ers for the amazing work done on these headphones. As a T50RP newbie just arriving very late to the party and looking through the overwhelming quantity of information on all the mods that have been done. Where does one start with these headphones? Is there a must do list of mods that should be performed? I am really not up to building the cottage dock crib work and ladder rung paxmate array, Incredible dedication and work by the way.

 

Basically I'm looking for a short list of mods that might flatten out the curve and don't require an engineering degree to figure out, or ones that are a recommended must do. I hope this doesn't sound like the "What tubes are best for my amplifier" question we get all the time in the tube rolling threads, if it is I do apologize. ;) 

:beerchug:

 

Simple Mod:

 

1. Change the pads: Try Shure 840, FA-003, etc. Pads make a world of difference. You can also modify the pads in various ways.

 

2. Make a 3 mm temporary external Bass Port: Use masking tape or electrical tape over the cup vents. Use an X-Acto knife to cut the 3 mm (width) hole over the center of one of the 4 vent slots. The tape closes off the rest of the vents. Make sure All the external vents' area is completely sealed right up to the sides and corners. A single millimeter makes a difference in sound quality.

 

 

Basic Mod:

 

1. Custom-cut pieces of Paxmate or Silverstone to fill the Rear baffle compartments (around the driver on the Rear Side) instead of plasticine or Newplast.

 

2. Paxmate or Silverstone in the cup floors. Leave the cup vents and central screw compartment uncovered. Various types of felt may work in place of acoustic foam.

 

3. Paxmate or Silverstone around the Ear Side of the driver applied directly over the baffle dust cover. Make sure the driver opening (35 x 35 mm) and baffle port are not covered by Paxmate.

 

4. BMD on the Ear Side of the center grid square is optional.

 

5. Add cotton balls inside the cups. Try 2 to 6 depending on their size. You can substitute 45 x 45 x 5 mm rock wool for cotton.

 

6. Shure 840 pads.

 

7. Temporary external Bass Port, as above.

 

 

Full Monty Mod:

 

1. Go the extra mile and follow one of the pictorials/tutorials. You may find, as I do, that sound quality improves compared to the simpler mods.

2. You can add or subtract components to best suit your preferences.

 

 

Good luck and let us know how it goes.

 

~ BMF

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