Here is to be collected links to the most instructive posts on how to modify the Fostex T50RP, mostly from this thread: Just listened to some Fostex T50RPs today... WOW!
This is not for "Thunderpants" - only modifications keeping the standard cups
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BMF:
BMF is bluemonkeyflyers mods.
BMF 6.3
BMF 6.1 vs 6.2
BMF 6.2
BMF 6
BMF 5
BF Transpore mod
bluemonkeyflyer's modified rastapants with picture walk through
more from bluemonkeyflyer
bluemonkeyflyer on temporary closing the cups in between mods:
bluemonkeyflyer compares unmodded and modded T50RP to LCD-2 etc.
follow up
simple mod
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RASTAPANTS:
Rastapants 2 by mrspeakers:
Rastapants 2 840 Pad Edition:
Rastapants 1 by mrspeakers
Rastapants by mrspeakers pictures
mr speakers measurements
mr.speakers sbour RP2 and O2 pads
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HDman T50ResPonse
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OTHER MODS
mmda - simple glue and clay mod
BmWr75 simple mods (a BMF variant)
LFF "Paradox"
It is a secret.. elaborated here
hans030390's modded T50RP (Updated 12-15-2011)
Fat Bastard T50RP by snakeeater69
Very very easy mod with K240 Sextett pads by RexAeterna
mmayer167 easy mod with O2 pads
rawster picture walk through RP2
SPwild's mod
Cheap mod by dogears
Jonclarke doing tidy work with Paxmate and Dynamat - pics
PhaedraCorruption picture tutorial
ambchang's two mods comparison
Faust mod:
b0wl1ngs variant:
SlaRe comments: "Tried this one, seems like the best best if you don't have paxmate. It's impressive what just a thin piece of felt glued over the driver can do, really good isolation too."
Smeggy's old setup:
Rastapants in the flesh:
SlaRe comments: "Works best with 840 or O2 pads apparently. The leeperry mod is basically the same thing, only you leave the white felt over the driver."
LFF headband suspension
Twinster's sound reflection cardboard cookie
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GENERAL ARTICLES
How to easily assemble and re-assemble while trying out different mods
AnotherN00b sum's up modding
Fostex T50RP Modification: A Summary of Methods, Materials, and Their Possible Effects
bluemonkeyflyer - Modding Noob Extraordinaire
Armageis on damping
High End Phones-Comparison
Exploded parts view
Tyll Hertsens explains about orthos in general and why they are especially sensitive to good acoustic damping
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MATERIALS:
Paxmate
Acoustipack
Dynamat
Newplast
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PADS:
Beware that pads have influence on sound, and the mods are adjusted to the pads. Always keep in mind what pads are used by a modder.
Shure HPAEC840 Replacement Ear Cushions For SRH840 Headphones
Shure HPAEC940 Replacement Velour Ear Cushions for SRH940
Beyerdynamics DT990 Velour pads (black or grey)
Fischer FA-003 pads
Audez'e LCD-2 pads
Smeggy's description of various pads
Useful "Sock Mod"
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HEADBAND:
HD280 pad mod by satwilson
LFF headband mod
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Total makeover mods (new cups)
Thunderpants
KODA^2 / KODA^1
Leakypants
Edited by ardilla - 2/1/12 at 2:06pm