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Frankenbeyer headphones

  1. michaelwheeldon
    After spending time trying to enjoy my recently acquired Darth beyer v4 I've come the conclusion the bass was too much and the mids had gone AWOL .
    Coming from final audio Pandora,s 6 you come see my point about the mids.
    So decided to sell them on a popular auction site, getting lots of views and people asking Darth who!!
    So thought I'd pull them apart to see what £700 DT 770 pro darth beyers had inside.
    Wow, not much .
    Two piece's of cotton wool and a piece circular wood glued on top of the driver housing.
    So having a spare pair of grado sr125 driver's from a woody project many moons ago got the tape measure out and would you believe it they were a perfect replacement fit for the beyer drivers.
    Out came the original drivers and in with the grado ones.
    They just pressed into place, fancy that.
    Modelling clay around the driver housing to add some weight and stop vibration
    More modelling clay on inside of wood cups too.
    Old grado driver mod used to punch a couple of holes in driver rear membrane and a blob of hot glue on top of magnet shield similar to higher model grado,s.
    Result is fantastic, grado highs and mids with very ungrado like bass that hits hard and fast.
    So glad nobody wanted them .
    Grado dynamic or frankenbeyers
    Last edited: Apr 22, 2018
    smallcaps, slapo, trellus and 2 others like this.
  2. michaelwheeldon
    Anyone tried this modification
    In the past built a pair of senngrado headphones incorporating the sennheiser px100ii drivers with a measurable improvements over the grado sr80i drivers in just about every aspect of sound and imaging.
    So thought my recent build of Darth Beyer with grado drivers which I still considered to the a huge improvement over the stock Headphile version in terms of mids and highs with hard hitting deep bass my improve still more with the sennheiser driver's installed.
    Should be easy to fit as they are the same size as the 40mm grado units.
    If anyone already tried this I'd be interested to hear about it, if not I'll post later on my findings.
  3. Monsterzero
    trellus likes this.
  4. michaelwheeldon
    Not a clue how to do that, any tips.
  5. Monsterzero
    You should be able to,meaning you have 20 posts and have been a member since '13.
  6. michaelwheeldon
    Gotcha, thanks
  7. michaelwheeldon
    Completed the double heart transplant of the Darth Beyer v4s with sennheiser px100ii drivers
    Took a few pictures
    DSC_0025.JPG DSC_0024.JPG DSC_0023.JPG DSC_0022.JPG DSC_0021.JPG DSC_0020.JPG DSC_0019.JPG DSC_0018.JPG
    Last edited: May 11, 2018
  8. michaelwheeldon
    Grado drivers version wins hands down DSC_0029.JPG DSC_0028.JPG DSC_0027.JPG DSC_0026.JPG
  9. serman005
    Awesome pics--thanks for the sequence of those!
  10. Cruelhand Luke
  11. michaelwheeldon
    The piece of foam on the driver felt is to cover a punched hole , two holes is quite enough bass.
    Three was just monster lol, aaarrrrgh
  12. michaelwheeldon
    In the words of a famous danish beer company "the most powerful beyers in the world, probably"

    DSC_0044.JPG DSC_0043.JPG DSC_0047.JPG DSC_0046.JPG

    Bit of a fingers and toes crossed moment, say a prayer etc
    Thought I,d give the grado drivers abit of fresh air to breathe
    I've give them a run and I'm more then impressed.
    Bottom end has dropped through the floor but not in a heavy boomy way
    Width of sound is greatly increased, which I,m more than happy with, wearing them with music playing ( a to b ) with fingers blocking ports and without is an eye opener.
    Its like bookshelf speakers vs floorstanders as far as bottom end is concerned, with the floorstanders been an extra two feet apart.

    Anyone got other ideas from their personal builds I could try.
  13. michaelwheeldon
    Open back beyers Part 2
    Just waiting for the nhoord v2 to arrive

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  14. michaelwheeldon
    DSC_0055.JPG DSC_0056.JPG DSC_0060.JPG
    Nhoord drivers in and burning
    Last edited: Jun 13, 2018
  15. michaelwheeldon
    DSC_0063.JPG DSC_0064.JPG DSC_0066.JPG DSC_0065.JPG I
    HiGHFLYiN9 and Shredicus like this.

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