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doping

  1. tgmartin

    OH NO! Aquaplas? Dead Horse?

    Sure, I know many associate the term "Aquaplas" with the sandy, thick white coating on some models of JBL cones - but I see the name popping up on what appears to be OTHER kinds of speaker cone/surround treatments: - a clear or translucent coating that claims to be "rubbery" or flexible...
    • tgmartin
    • Thread
    • aquaplas doping lansaplas speakerlab woofer treatment
    • Replies: 1
    • Forum: Speakers
  2. R

    JBL 4425 cone color, surround seperation?

    Hello Forum, I'm on the hunt for a pair of 4425 monitors and have come across a pair in my area priced pretty well, but the color of the cone is a little darker / shinier than photos of others I have seen. There also seems to be a little separation in the surround seal. Does the color come...
    • RosewoodAsh
    • Thread
    • doping jbl 4425 jbl 4425 studio monitor
    • Replies: 8
    • Forum: Speakers
  3. Kym Eden

    Restoring B200 SP1014

    Hi friendly audio people, I'm here to get some advice on restoring a pair of B200 SP1014 speakers. They come from Heathkit AS-9560 cabinets built by my grandfather back in '72, so something of an heirloom. The sound is mostly fine but I decided to give both the amp-tuner and the speakers a...
    • Kym Eden
    • Thread
    • b200 dope doping kef kef b200 repair
    • Replies: 0
    • Forum: Speakers
  4. Grid

    Surround Dope (Sealant) Application Technique

    I just redoped a pair of Utah drivers. The original sealant had completely dried away. This is the first time I did this. But I had an idea before I started and I put that idea into practice when applying. I connected the speaker and ran at low volume a 30 Hz tone, just loud enough to see the...
    • Grid
    • Thread
    • ar cloth surrounds dope doping klh sealant surrounds sealant utah
    • Replies: 12
    • Forum: Speakers
  5. A

    Anyone have suggestions for a decent free audio analyzer software?

    I have a old set of Braun\Visonik tweeters. I have been playing around with different coatings on the dome and would like to use audio software to analyze the different coatings. I also know very little about analyzing speakers other than how they sound to my ear. I have a decent microphone. I...
    • Atv023
    • Thread
    • ads analizer software braun coating dome dome tweeter doping silk dome tweeters visonik
    • Replies: 1
    • Forum: Speakers
  6. Johnny_Law

    How to Re-Dope Snell Tonegen/Foster Tweeters (Model E, J, K; gens. I & II)

    In doing this project I couldn't find any real picture guides so I thought I'd make one. My intention is to show how easy this is to do - if you have Snell speakers with cracked tweeter doping, don't worry! It's very easy to fix as I'll explain. Now, I haven't taken measurements and I'm not...
    • Johnny_Law
    • Thread
    • doping e/ii j/ii k/ii re-doping shellac snell tonegen tweeter
    • Replies: 60
    • Forum: Speakers
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