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spronk
176
May 31, 2018
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Does anyone else find the detachable cable stupid and hideously ugly? Why not use 2.5mm or even better, mod it to 3.5mm!
Why some weird connector :'(
May 31, 2018
mtmercer
47
May 31, 2018
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spronkAesthetically it is different and may not be appealing to everyone. Regarding the 2.5mm or 3.5mm option, I am going to speculate but if you tested those options against the Fostex option for robustness / resistance to mechanical damage, I’d put my money on the Fostex option.
May 31, 2018
spronk
176
May 31, 2018
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mtmercerConsidering the plug is the part that breaks in a 2.5mm jack, I'd happily take the compromise. Where do you even find these connectors? Are they the Sennheiser ones? :/
May 31, 2018
mtmercer
47
May 31, 2018
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spronkNow that these are about to drop, I bet you could snag a used pair at a discount and send them to Peterek for his 2.5mm mod. He did it for my Ebony’s & made me a OCC litz cable for another HP. I recommend his work.
May 31, 2018
FrostyP
502
May 31, 2018
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spronkDurability, 2.5mm is prone to breaking. It's why even DAPs are phasing it out. It benefits both them and the customer as even though their choice is not as elegant of a solution as it will mean they will have less replacements/repairs to do and customers have less to worry about.
May 31, 2018
rslatara
287
May 31, 2018
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spronkAny internal connector would mean modifying the internals which might affect the sound this fixes that and you can use the same cable as a HD650 so there are plenty of cable options.
May 31, 2018
shimage
228
Jun 2, 2018
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rslataraCee tee keeps linking to pictures of the connectors when people ask about them, which makes me think they aren't actually compatible (otherwise why not just say that they are?).
Jun 2, 2018
rslatara
287
Jun 2, 2018
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shimageIt might require some modification the metal housing so it might be difficult. EMU were supposeed to sell it one time, if they made a kit for DIY'ers it would be cool.
Jun 2, 2018
Assimilator702
184
Jun 4, 2018
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rslataraThe Sennheiser connector is different. 2 different size prongs and polarity is reversed.The pics are in the Purpleheart thread.
Jun 4, 2018
spronk
176
Jun 4, 2018
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Assimilator702Sigh, so definitely a stupid decision then! :P
Jun 4, 2018
Assimilator702
184
Jun 4, 2018
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spronkIf Fostex makes the cable available then it's not so dumb. That's what I'm hoping for since I like the Fostex solution better than other options. The outer housing of the connector is available at Full Compass. However the connector piece and the other end of the plug that attaches to the cable isn't included.
Jun 4, 2018
MXRC
261
Jun 5, 2018
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Jun 5, 2018
Assimilator702
184
Jun 6, 2018
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MXRCThanks for the write up. Always looking for different how-to methods from different people. I haven't tackled this project due to the limited in space inside. One slip up and it's all over. I've modded several headphones but this one scares me.
Jun 6, 2018
MXRC
261
Jun 6, 2018
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Assimilator702Yeah. I had the same feeling. This was my first headphone mod ever. It was nerve wracking, but I was able to overcome it i think out of jealousy because I only had my TH-x00 for a couple of months before they announced detachable cable version. I’m glad i did it though. It looks better than the option Fostex is offering IMHO.
Jun 6, 2018
Assimilator702
184
Jun 6, 2018
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MXRCDid you notice any difference in sound after the mod? My concern is mainly with the chunk removed from the baffle.
Jun 6, 2018
MXRC
261
Jun 6, 2018
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Assimilator702I did not. I even measured it with a spectrum analyzer before and after. No measurable difference. The area the jack occupies is obscured by the ear pad anyway and isn't in the cavity of the cup for the controlled reflections so it makes sense that there's no change.
Jun 6, 2018
Assimilator702
184
Jun 7, 2018
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MXRCWell that's good to hear. It gives me more reassurance to go ahead with the mod. Tell from Inner Fidelity was suppose to do a bunch of measurement in the Fostex variant headphones with different pads but that never happened due to his retirement. Not sure why he would mention something that would Garner so much interest if he knew he was retiring.
Jun 7, 2018
Assimilator702
184
Jun 7, 2018
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MXRCWhat type of setup do you have for taking measurements. I'd like to invest in a basic setup for doing measurements that's computer based. I'm sure I could use some of my consensor mics from my drum set up.
Jun 7, 2018
MXRC
261
Jun 7, 2018
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Assimilator702You can probably use your condenser but I would be careful with it emanating heat and the variables that introduces. For the exercise of measuring before and after a mod, isolating the driver output with a sub-cardio mic and sending signal to the channels independently to do measurements will work. Since you're just measuring baseline responses of before and after, this is sufficient. But, if you're interested in seeing the precise sound profile of a pair of headphones, you'll have to invest on a binaural microphone. I would look into 3Dio Free Space binaural mic (approx: $500 but the frequency range is limited). You'll have to spend big bucks if you're doing those type of measurements. For my setup, I went with a simple sub cardioid microphone facing the driver (obviously making sure positioning is consistent for both measurements) and running white noise through and comparing min-max amplitude of the frequency range from 20hz-30khz over a period of 3 seconds. Additionally, I compared still captures at specific points of the noise track. ±0.1dB discrepancy at 20hz, 40hz, 80hz, 200hz, 500hz, 1khz, 1.6khz, 3khz, 5khz, 10khz, 17khz, 20khz. The last measurement was sending A440hz signal to see if the over and undertone response (if any) was the same, and yeah. Same stuff. I probably could've measured more notes but meh. Seemed like overkill considering already what I've done. Also helps to have a resonance and reflection dampened box when you do this. There's a bunch of tutorials on YouTube on how to make those.
Extra: Measured at 3 different volume levels to see if there were any characteristics affected that only show at low or high volume. That's important. It's also important to take a look at whether there are minor differences in attack / transient reproduction and the decay. Those checked out okay as well.
Bottom line is: The mod is safe if you're concerned with the sound profile being affected :D
Jun 7, 2018
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