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Hifiman HE6-SE

Discussion in 'High-end Audio Forum' started by ufospls2, Aug 10, 2018.
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  1. wuwhere Contributor
    You have to match the load impedance, in this case the HE6-SE is a 50 ohm load, with the output transformer, say 8 ohms tap on your amp. So to create an 8 ohm load you have to parallel a 10 ohm resistor with the 50 ohm HE6-SE (parallel resistor calculator https://www.allaboutcircuits.com/tools/parallel-resistance-calculator/). If you don't match the load impedance with the amp's output impedance, the transformer will act like an inductor which it isn't and will eventually arc.

    Also don't turn this amp on and live it on without a load.
    Last edited: Oct 8, 2018
    NickMimi and GarageBoy like this.
  2. GarageBoy
    Would it be safe if output impedance was higher than the headphone's or still an issue?
  3. wuwhere Contributor
    Higher is preferable. So 50 ohms with 10 ohms in parallel is about 8 ohms, you can use the 16 ohm tap. I like the 4 ohm tap, 50 ohms with 4 ohms in parallel. Get a 4 ohm 5 watt wire wound resistor (http://www.soniccraft.com/product_info.php/40-ohm-mills-mra-p-563).
    NickMimi and GarageBoy like this.
  4. musickid
    Is the weight a negative for comfort at over 400gr? im used to light oppo pm1. advice needed will explain all later.
  5. ufospls2
    Its actually ok in terms of comfort. Its not the comfiest headphone I have owned or tried, but it is perfectly wearable and not the worst I have tried by any means. I'd recommend the HE6se with no problem, depending on what amp you have to pair with it.
  6. musickid
    option 1: I have a hugo2/mscaler and thinking of selling my oppo pm1 to get a ether2 which are far easier to drive than he6se but depends on comfort.

    option 2: more expensive so trade my hugo2 for a tt2 and trade my oppo for a he6se which the tt2 can easily power. this is the all out route but again depends on comfort of he6se as im very picky here. this will take longer due to added cost but would possibly be amazing.

    which option do members think?
    Last edited: Oct 11, 2018
  7. ufospls2
    Well, I haven't tried the Ether 2, but just going by the weight specs and experience with the Aeon, it is likely to be very comfortable. However, you might get better sound quality with the HE6se, as I haven't heard the Ether 2, I'm not sure. The TT2+MScaler might be pretty damn impressive though!
  8. musickid
    The mscaler and hugo 2 is impressive. if i upgrade to a tt2 then I really need a power hungry headphone for the combo to shine. I don't know whether just adding an easy to drive can like an ether2 to my hugo2/scaler might give me the same end experience as compared to a tt2/scaler/he6 type can.
  9. Happy Camper
    Have you ran your phones without the adapter on your amps?
  10. Slim1970
    I run my Susvara's and soon HE6se's straight from my Pro iCan most of the time. I would like to try running them straight from my power amp but I don't have the cables to do so. I'd be interested in trying it though.
  11. bagwell359
    I have heard that the old SE-6's sound remarkably better modified - like 'Code Sex' - probably the most legendary and almost for sure the most expensive.

    Have any of the owners of the new SE6's tried mods - fuzzor, mesh screen removal, etc.

    And have any of the folks behind the dedicated mods taken these on?

  12. Happy Camper
    PM sent.
  13. astrostar59
    I think this is about output impedance relative to Frequency. I was never a fan of resistors right at the output, better to do it with transformers. But that costs.....
  14. ambchang
    I just got mine repaired about half a year ago after I blew them up incorrectly plugging a line in into phono (don’t mention just pure stupidity).
  15. GarageBoy
    How do amps like the ones from ampsandsound get away with only a 8ohm and a 300ohm output taps - their output trans are tiny too
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