Fostex new RP headphones - T50RPmk3, T40RPmk3 and T20RPmk3
Jan 8, 2017 at 11:45 AM Post #1,651 of 2,017
What amps is everyone running with the mk3's?
 
Jan 8, 2017 at 12:23 PM Post #1,653 of 2,017
Massdrop O2 and Dragonfly Red. My other amps, V-MODA Vamp Verza and Aune T1 mk1 don't give it enough juice to shine.
 
Jan 8, 2017 at 2:54 PM Post #1,655 of 2,017
Does anyone know of a t50rp mod or custom built t50rp that will keep the detailed highs but also bring the highs down just a bit so as to not pierce my ears while also improving the lower registers below 80hz? There are so many mods out there it's hard to know what to go with. I like a big soundstage,detailed and airy highs with a good amount of punch down low.
I've attempted to mod them myself but have not succeeded very well lmao. I do the know enough about the inner workings of modifying headphones

best mod ever

 
Jan 8, 2017 at 6:51 PM Post #1,658 of 2,017
Those look great,  where did you get the cups?
Not my post, was Arty McGhee's. They look like re-painted MrSpeakers alpha cups.
 
Jan 8, 2017 at 7:39 PM Post #1,660 of 2,017
What amps is everyone running with the mk3's?


I'm powering them with a schiit magni 2 Uber and aune x1s dac. But I am thinking of going with the schiit jotenheim.
 
Jan 8, 2017 at 10:15 PM Post #1,661 of 2,017
Not my post, was Arty McGhee's. They look like re-painted MrSpeakers alpha cups.

they're my own 3-d prints, from the files mr speakers released last month
 
the blue is the actual plastic color, coated in epoxy and hand polished
 
they released the necessary files and detailed instructions
 
they sound amazing with a minimum of tuning, bass is amazing and trebles are controlled not abrasive
 
Jan 9, 2017 at 11:19 AM Post #1,662 of 2,017
I have a growing collection of modded headphones, with my MK3's receiving a full makeover by PETEREK.
smily_headphones1.gif


Drive all of them with Bimby and Lyr 2 combo--it's perfect.

I'd love to see a pic of your modded T50RP when its all done.
 
Jan 9, 2017 at 7:24 PM Post #1,663 of 2,017
  What amps is everyone running with the mk3's?


I've run them most recently (yesterday) with:
 
1. Monoprice Desktop DAC/amp (high gain)
2. Monoprice Desktop DAC -> line-out -> iFI CAN amp
 
Both have enough power to drive them nicely.
 
I've also listed to them through these which have more than enough power:
 
1. Aune X1 DAC/amp
2. Yulong U100 DAC/amp
 
Jan 15, 2017 at 11:24 AM Post #1,664 of 2,017
I've been looking at purchasing the Mayflower MK3s. Can anyone say how the sound signatures of the V1 and/or V3 compare to the Oppo PM-3? I love the sound quality of the PM-3s, but I just wish they had a little bit more bass. (Not bass head level, just a bit more heft.)

Also, I know there are instructions online for the Mayflower V1 mod. Are the instructions for the V3 online?

(Sorry if these are dumb questions, but the amount of info on modded T50RPs is awesome, but overwhelming!)
 
Jan 15, 2017 at 12:36 PM Post #1,665 of 2,017
I've been looking at purchasing the Mayflower MK3s. Can anyone say how the sound signatures of the V1 and/or V3 compare to the Oppo PM-3? I love the sound quality of the PM-3s, but I just wish they had a little bit more bass. (Not bass head level, just a bit more heft.)

Also, I know there are instructions online for the Mayflower V1 mod. Are the instructions for the V3 online?

(Sorry if these are dumb questions, but the amount of info on modded T50RPs is awesome, but overwhelming!)

I looked everywhere for V3 instructions, but could not find any.
 
The Mayflower V1 mod video motivated me to buy the mod kit, but once I got to modding, it did not go as planned. With the mod completed, the headphone had no bass at all. I then sent my pair in to Mayflower to have them finish it. When I got them back, they sounded fine..what did I do wrong?! Well opening the cup, I discovered that the stiff felt backing for the driver (the one with 4 holes punched out) is supposed to have one of the holes covering exactly half of the square hole in the paper. The video is also confusingly mirrored for some reason.
 
Go to 5:35 in the video and you can clearly see the felt covers the hole entirely:
https://www.youtube.com/watch?v=LSFZ1NKHS1A
 
Some comments in the video were claiming that the sticky glue on the backside of the felt was acting like a treble reflector and causing sibilance. I took the felt off both drivers and peeled the glue off of the felt except for the very corners so it could still be stuck back on. Even with that, there was no change in the treble or their sound (they sound great).
 
I really appreciate Mayflower for sharing the mod, but at the same time, the small issues with the video need to be addressed. Their V1 mod kits now include blueprints (its either a stencil or .PDF file) to get correct measurements of the mod materials to cut out.  Not sure if this would have helped me because my kit was ordered before they included the prints.
 
Edit: I am babbling on a bit, but this info may help those who want to save some money by doing the mod themselves.
 
Regarding the Mayflower V1 itself; you can tune the bass by experimenting with cup ventilation, and because the V1 mod puts cotton in the cup, the bass is better behaved (tighter) and becomes easier to get right. Like many others have done, covering the eight slots surrounding the driver on the ear side brings up the bass a bit. The stock headphone worked well with 4 slots covered while the V1 needed 6. Unfortunately we do not all have the same ears, YMMV. 
 
No experience with the PM3 tho :/
 
 

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