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amping the Koss KSC75s??

Discussion in 'Headphones (full-size)' started by donaldekelly, Apr 22, 2005.
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  1. donaldekelly Contributor
    Is there any point?

    I have an amp coming for my ER4-P with adapter cable. Just wondered if the amp will also do wonders for the KSC75?

    I think a few people say it will.
     
  2. NeoteriX
    I have the KSC-35s, which are quite similar... I would say that I personally don't notice a big difference between the amped and unamped variations (I'm using a Go-Vibe). I'd be interested to hear your thoughts.
     
  3. Silfer
    Yep. I amp them sometimes with a simple MINT amp from the headphone out of an mp3player. And they sound fuller and I can't exactly describe it but it sounds better.
    But they're also very good without amp.
    BTW. That adapter cable is suppoed to do wonders for your KSC75s too. Although I never heard it. And of course than you'll need an amp.
    What amp have you comming?
     
  4. crazyfrenchman27
    If you add a 75 ohm adapter or something like that to the chain, you will notice a difference. The character of the bass and highs really changes with that combination.
     
  5. zaack
    add in a 75ohm adapter (or a P-S Adapter) when amping.
    decreases both ends of the spectrum (highs and lows, less screeching highs, a more controlled bass), The mids are a bit more clearer.
     
  6. donaldekelly Contributor
    Thanks for the tips. Sometimes I just don't want to stick the etys in my ear and the $16 KSC75s have more bass, as well. This way I have two portable options.

    I have a 75ohm adapter from Xin on order and already have the P->S Adapter.

    My amp came just now - a Portaphile V2. Ordered Monday and arrived today - 4 days later!

    It will take me a while to determine what I think of the amp - but so far so good. The portaphile tends to need to burn in for a while according to users and the maker of the amp. See portaphile owners thread for more info.
     
  7. kramer5150
    Their tone changes when amped WITH impedence adapter. Bass bloat resonates/extends lower into sub-bass realm, and upper mids mellow a bit. IMHO sound spectrum is much smoother, less peaks/valleys.

    Garrett
     
  8. donaldekelly Contributor
    Quote:

    Originally Posted by kramer5150
    Their tone changes when amped WITH impedence adapter. Bass bloat resonates/....
    Garrett




    More bloat?
     
  9. wolfen68 Contributor
    I've had good luck amping KSC-35's from an SR-71 and a Go-Vibe. Better bass (not more, but deeper) and sound all around.
     
  10. psyco1
    I was impressed by how well the ksc35/75 took to amping when run to the Ear+. It doesn't change the overall sound, but it seems like it adds a layer of impact and the imaging improves too. Not quite to sr-60 quality, but not bad at all.
     
  11. Kirosia
    I don't amp mine, feel no reason to. I just throw it on and get lost in the music, screw critical sound. [​IMG]
     
  12. kramer5150
    Quote:

    Originally Posted by donaldekelly
    More bloat?



    I wouldnt say more ... just lower in freq.
     
  13. MdRex
    Hello Kramer:

    IIRC you made your own 75ohm adaptor. How did you make your own. I am not going to spend so much just to get Etymotics adapter.

    Sry for hi-jacking thread. Thanks alot.
     
  14. zaack
    Goes like this:

    Left-in = > 75ohm Resistor = > Left-Out
    Ground in = > ----------- = > Ground Out
    Right-in = > 75ohm Resistor = > Right-Out

    Just Resistors in parallel, soldered to the left and right channels..
     
  15. kramer5150
    Quote:

    Originally Posted by MdRex
    Hello Kramer:

    IIRC you made your own 75ohm adaptor. How did you make your own. I am not going to spend so much just to get Etymotics adapter.

    Sry for hi-jacking thread. Thanks alot.




    I used 2% metal film resistors. I matched them with my DMM. Solder the resistors in line with the L/R positive lugs, and solder the grounds with jumper wires.

    Try and keep the resistors and jack/plugs as in-line as possible. Enclose the whole tihng in plastic epoxy and file/dremel it smooth so it is round.

    Here are mine.... obviously I wasnt after looks...
    [​IMG]
     
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