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Just listened to some Fostex T50RPs today... WOW! - Page 351

post #5251 of 10601
ordered some shure 840 pads. see how they do and compare to the current 240 leather pads i been using from a spare sextett i had.
post #5252 of 10601

I have done my first time modding, base on BMF #6:

1. Stock driver felt and bass port felt remain in place.

2. Two strips of Fat mat in cup bottoms

3. Model clay  the baffle

4. Paxmate the cup include the center post

5. Stock driver felt, no reflex dot

6. Fatmat on the ear side of the baffle with paxmate on it

7. Stock bass port felt

8. Cotton in the cup

9. Shure 840 pad with cotton riser

Now it sound great but  not as i expected, the bass seem quite muddy and not extend very deep, any advice?

@BMF: I hope you will release the BMF #7 soon, i really want to get best bass from this can wink.gif

post #5253 of 10601
Quote:
Originally Posted by proid View Post

I have done my first time modding, base on BMF #6:

1. Stock driver felt and bass port felt remain in place.

2. Two strips of Fat mat in cup bottoms

3. Model clay  the baffle

4. Paxmate the cup include the center post

5. Stock driver felt, no reflex dot

6. Fatmat on the ear side of the baffle with paxmate on it

7. Stock bass port felt

8. Cotton in the cup

9. Shure 840 pad with cotton riser

Now it sound great but  not as i expected, the bass seem quite muddy and not extend very deep, any advice?

@BMF: I hope you will release the BMF #7 soon, i really want to get best bass from this can wink.gif



Remove driver felt, close all bass ports except one. beyersmile.png

post #5254 of 10601

By bass ports do you mean the slotted vents in the back of the cup?  And by closing them you mean closing all slots but one? 

 

IMO a bass port refers to a small hole.  I don't mean to be a pain, but I do think it's important that we all use the same terms otherwise there can be lots of confusion. 

 

Also the stock driver damping isn't felt wink_face.gif  Paper would be a much closer description.  I'm guessing it's a fiberglass paper but I'm not sure. 


Edited by rhythmdevils - 12/3/11 at 11:27pm
post #5255 of 10601
Quote:
Originally Posted by rhythmdevils View Post

By bass ports do you mean the slotted vents in the back of the cup?  And by closing them you mean closing all slots but one? 

IMO a bass port refers to a small hole.  I don't mean to be a pain, but I do think it's important that we all use the same terms otherwise there can be lots of confusion. 

Also the stock driver damping isn't felt wink_face.gif   Paper would be a much closer description.  I'm guessing it's a fiberglass paper but I'm not sure. 

i always thought that's what were people talking bout when i read them. me i just removed the felt and put fiberglass in the cups covering the ports. i didn't leave any of the vents open.
post #5256 of 10601
Quote:
Originally Posted by rhythmdevils View Post

By bass ports do you mean the slotted vents in the back of the cup?  And by closing them you mean closing all slots but one? 

 

IMO a bass port refers to a small hole.  I don't mean to be a pain, but I do think it's important that we all use the same terms otherwise there can be lots of confusion. 

 

Also the stock driver damping isn't felt wink_face.gif  Paper would be a much closer description.  I'm guessing it's a fiberglass paper but I'm not sure. 

 

I used the word "port" because you did, in other words, the striped vents in the middle and at the bottom of the outside of the cups.

 

I completely sealed the vents with Response from the inside, then cut out one stripe at the bottom.
 

Please refer to a detailed description if you wish. http://www.head-fi.org/t/583371/t50-response#post_7938654



Quote:
Originally Posted by RexAeterna View Post


i always thought that's what were people talking bout when i read them. me i just removed the felt and put fiberglass in the cups covering the ports. i didn't leave any of the vents open.


In my experience, closing all the vents, really muffles the sound and provides very little bass.

 

One open vent, was the sound I was looking for, better less harsh midrange and deeper bass.

 

post #5257 of 10601
This is your first mod - What have you tried with your first mod config to tune it to your preferences and equipment?

Mod configs are a place to start, not a guaranteed endpoint. It may take you 10-20 individual trial and error tweaks to dial in any config. This is a DIY forum where we share mods and learn from each other. Share what you try; what works; what doesn't work.

You're going to have to open it up to make individual changes, so take pictures that show what you now have installed. Maybe that will generate some ideas before you make irreversible mods. Your options are significantly limited if you give up on what you have after only One attempt and then you go irreversible. Exhaust all reversible tweaks first.

What is your audio chain?

Quote:
Originally Posted by proid View Post

I have done my first time modding, base on BMF #6:

1. Stock driver felt and bass port felt remain in place.

2. Two strips of Fat mat in cup bottoms

3. Model clay  the baffle

4. Paxmate the cup include the center post

5. Stock driver felt, no reflex dot

6. Fatmat on the ear side of the baffle with paxmate on it

7. Stock bass port felt

8. Cotton in the cup

9. Shure 840 pad with cotton riser

Now it sound great but  not as i expected, the bass seem quite muddy and not extend very deep, any advice?

@BMF: I hope you will release the BMF #7 soon, i really want to get best bass from this can " rel="http://files.head-fi.org/images/smilies/wink.gif">wink.gif


Edited by bluemonkeyflyer - 12/4/11 at 4:54am
post #5258 of 10601

Thanks to Ardilla for reminding me that the t50rp modifications summary thread I linked to earlier has been replaced by a wiki he set up. Anyone looking for information on many of the various mods and detailed descriptions of them as well as other useful information on materials and theories behind the mods that have been posted in this 5000+ post thread should go there! We should also remember to point any new modders there as they join team fostex. Thanks Ardilla!

 

http://www.head-fi.org/a/fostex-t50rp-modification-summary-links-wiki

post #5259 of 10601
Quote:
Originally Posted by bluemonkeyflyer View Post

This is your first mod - What have you tried with your first mod config to tune it to your preferences and equipment?
Mod configs are a place to start, not a guaranteed endpoint. It may take you 10-20 individual trial and error tweaks to dial in any config. This is a DIY forum where we share mods and learn from each other. Share what you try; what works; what doesn't work.
You're going to have to open it up to make individual changes, so take pictures that show what you now have installed. Maybe that will generate some ideas before you make irreversible mods. Your options are significantly limited if you give up on what you have after only One attempt and then you go irreversible. Exhaust all reversible tweaks first.
What is your audio chain?

 

My equipment: Audio media 3/ Muse Dac 4x1543 --> mini speaker amp kenwood sa7 --> headphone  but now my computer is broken, i'm listening via iriver B20 --> Grado Ra1 Clone so i think this may be the problem. I'm going to make a millet starving student and hope it will  work well with the T50rp.

Some thing i have just tried: the pad riser by food container and it didn't work very well, the sound is thin, bass is much lesser. I will post pic latter

post #5260 of 10601
Quote:
Originally Posted by HDMan View Post


I used the word "port" because you did, in other words, the striped vents in the middle and at the bottom of the outside of the cups.

I completely sealed the vents with Response from the inside, then cut out one stripe at the bottom.

 
Please refer to a detailed description if you wish. http://www.head-fi.org/t/583371/t50-response#post_7938654


In my experience, closing all the vents, really muffles the sound and provides very little bass.

One open vent, was the sound I was looking for, better less harsh midrange and deeper bass.

my pair reaches the deepest sub-bass to the highest air frequencies. it can extend down to 20hz no sweat and reach all way up to 20khz. the midrange is very clean and natural sounding to my ears. i used my 240DF's as reference tuning my fostex. covering the vents seem to do no harm to the bass.
post #5261 of 10601

Quote:

Originally Posted by tim_j_thomas View Post

Yesterday was an early Christmas, as when I returned home from work a package sat upon my porch.  Carefully opening revealed a present from from Santa LFF - a brand new set of Paradox T50RP headphones!!!

 

I will most a more complete review in a few weeks when I've had more time to listen to the Paradox's.  However, last night I used them to listen to the Cowboy Junkies Trinity Sessions Revisited.  This is a CD I have listened to many many times.

 

I only have one thing to say about the Paradox's:  HOLY SH_T!!!!  These are without a doubt, the clearest most resolving headphones I have ever heard.  Although I've listened to this CD dozens of times with my HD580's, K701's as well as Grado RS-2 and from my speakers, I am hearing sounds I have never heard before -- the intake of breath, subtle nuances to the decay of cymbals, etc.

 

In addition to sounding crystal clear (I can think of no better way than to say the headphones simply get out of they way of the music), they are very comfortable.  Most likely due to the large suspension band, after a few minutes on my head, I forget that they are even there.

 

Fantastic job Luis, just fantastic!!  I could not be happier.

 

More to come in a few weeks. . .

 

-Tim


Nice! Did he actually sell you a modded pair, or are you just borrowing them?

 

post #5262 of 10601

How would these T50rps' compare to the M50, DT990 Pro, and HFI 580

post #5263 of 10601

Quote:

Originally Posted by bowei006 View Post

How would these T50rps' compare to the M50, DT990 Pro, and HFI 580


I can't speak for the DT990 or HFI 580, but I would definitely take a modded pair of T50RPs over the M50s. No question about that.

 

post #5264 of 10601

Well the word modded comes into play yet again :/ i can't argue anyway. the M50 and HFI 580 both cost $80 less than the T50RP so it's also kinda hard comparing them

post #5265 of 10601

Quote:

Originally Posted by bowei006 View Post

Well the word modded comes into play yet again :/ i can't argue anyway. the M50 and HFI 580 both cost $80 less than the T50RP so it's also kinda hard comparing them


Huh? You can get the T50RP for $75 when they're in stock. Think of it this way...without mods, I probably wouldn't pay $30 for them. They sound awful. With mods, they have the potential to rival headphones costing $200-300+. I wouldn't even consider the M50 against a modded T50RP.

 

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