Recent content by mikaelmark

  1. M

    Dampening for mid´s cabitnet chamber, B/W 683 S2

    As I also replaced all the cap´s, resistors and internal wiring, that are still burning in. They have played about 20 hours now and think still under transformation. However, the sound are sooo nice and it seem´s much better than without the extra dampening. Thank you som much for you´re...
  2. M

    Dampening for mid´s cabitnet chamber, B/W 683 S2

    I´m not quite sure Polyfill is the best damping, as sheep wool should be the very best. So yesterday, I went to a nearby farm and bough about 100 grams of genuine sheep wool from sheep derive from a small island here in Sweden. And today I packed the midrange chamber fifty fifty with sheep wool...
  3. M

    Dampening for mid´s cabitnet chamber, B/W 683 S2

    I ended up with standard white fabrication at all panels, except the front panel. Then I used a 10 inch x 10 inch (25cm x 25 cm) black dampening at about 15 grams, purchased from a car audio store - that I folded and packed lightly and filled about half the chamber. And at the bracing, I glued a...
  4. M

    Dampening for mid´s cabitnet chamber, B/W 683 S2

    Another way to go is using foam rubber at the back, and maybe Polyfill at the side panels. https://www.bax-shop.se/flightcase-skumgummi/penn-elcom-ljuddampande-skumgummi-20mm-200-x-100-cm-antracit Othwerwise, I think the best is to just pack the Polyfill quite loose almost all the way and not...
  5. M

    Dampening for mid´s cabitnet chamber, B/W 683 S2

    So you think there will be a need for more dampening filler than just for one sheet glued at each panel all around? When looking at the assembling of the B/W 800-series, it look´s like they use Poly filler just for the sides, not the complete chamber space...
  6. M

    Dampening for mid´s cabitnet chamber, B/W 683 S2

    You´re maybe right, that I should had let the dampening be untouched to not change the parameter´s too much for the speaker! But when look at the Youbute clip when B/W assembling the 800-series, they use dampeing just at the sides of the midrange chamber, I think. As it´s possible to...
  7. M

    Dampening for mid´s cabitnet chamber, B/W 683 S2

    Thank´s for your reply! No, I will not leave without any dampening at all, as the back, side and down panels has wool glued to them. The question is if that´s enough, or if the complete chamber should be filled with that folded 70 * 30 cm (27 * 12 inch). Do the midrange chamber really demand...
  8. M

    Dampening wool for mindrange chamber

    I´m modding my 683 S2 speakers by replacing the cap´s and resistors and also rewire internally by soldering directly to the driver´s. When I uninstalled the midrange kevlar FST, I realized the cabinet housing was packed almost all the way up to the driver magnet with dampening wool, altough...
  9. M

    Dampening for mid´s cabitnet chamber, B/W 683 S2

    I´m modding my 683 S2 speakers by replacing the cap´s and resistors and also rewire internally by soldering directly to the driver´s. When I uninstalled the midrange kevlar FST, I realized the cabinet housing was packed almost all the way up to the driver magnet with dampening wool, altough...

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