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Al Klappenberger

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Topics posted by Al Klappenberger

  1.  

    A time-aligned top end - Part II 1 2 3 4 16

    By Al Klappenberger, in Technical/Restorations

    • 315 replies
    • 14104 views
  2.  

    Tractrix squawker horn for the Belle and Khorn 1 2 3 4 10

    By Al Klappenberger, in Technical/Restorations

    • 188 replies
    • 8241 views
  3.  

    The B&C DCM50. Can it replace the K55 driver? 1 2 3 4 9

    By Al Klappenberger, in Technical/Restorations

    • 165 replies
    • 20715 views
  4.  

    Tests: K-69-A driver on Edgar type wood Tractrix horn 1 2 3 4 8

    By Al Klappenberger, in Technical/Restorations

    • 142 replies
    • 11188 views
  5.  

    Testing the Faital Pro HF200 driver on the Eliptrac400 1 2 3 4 6

    By Al Klappenberger, in Technical/Restorations

    • 115 replies
    • 21269 views
  6.  

    Atlas PD-5VH versus late production K55V 1 2 3 4 5

    By Al Klappenberger, in Technical/Restorations

    • 95 replies
    • 13483 views
  7.  

    New improved Universal ALK network Version 6 1 2 3 4 5

    By Al Klappenberger, in Technical/Restorations

    • 93 replies
    • 5942 views
  8.  

    Developing a network for the Forte 1 2 3 4 5

    By Al Klappenberger, in Technical/Restorations

    • 91 replies
    • 28594 views
  9.  

    Iron-core versus air-core woofer inductor intermod test. 1 2 3 4 5

    By Al Klappenberger, in Technical/Restorations

    • 88 replies
    • 9362 views
  10.  

    New extreme-slope crossover requiring NO Zobel 1 2 3 4 5

    By Al Klappenberger, in Technical/Restorations

    • 87 replies
    • 7848 views
  11.  

    A time-aligned top end for the Khorn 1 2 3 4

    By Al Klappenberger, in Technical/Restorations

    • 78 replies
    • 3814 views
  12.  

    Inductor face-off II 1 2 3 4

    By Al Klappenberger, in Technical/Restorations

    • 77 replies
    • 4782 views
  13.  

    ALK ES500T extreme-slope network design ready 1 2 3 4

    By Al Klappenberger, in Technical/Restorations

    • 76 replies
    • 4877 views
  14.  

    Altec 511b horn and K55V driver combo ?? 1 2 3 4

    By Al Klappenberger, in Technical/Restorations

    • 73 replies
    • 7106 views
  15.  

    misuse of my web site photos on eBay - HELP! 1 2 3 4

    By Al Klappenberger, in Technical/Restorations

    • 68 replies
    • 3720 views
  16.  

    A technical review of the K77M and BEC CT125 tweeters 1 2 3

    By Al Klappenberger, in Technical/Restorations

    • 57 replies
    • 10240 views
  17.  

    Instrument tests on 5 tweeters 1 2 3

    By Al Klappenberger, in Technical/Restorations

    • 57 replies
    • 3443 views
  18.  

    Khorn ES400T Extreme-slope network reday for DIY downoad 1 2 3

    By Al Klappenberger, in Technical/Restorations

    • 46 replies
    • 1977 views
  19.  

    Tweeter instrument tests 1 2 3

    By Al Klappenberger, in Technical/Restorations

    • 43 replies
    • 2009 views
  20.  

    Nakimichi - thumbs DOWN! 1 2 3

    By Al Klappenberger, in Technical/Restorations

    • 41 replies
    • 3406 views
  21.  

    Audio Myths 1 2

    By Al Klappenberger, in Technical/Restorations

    • 38 replies
    • 953 views
  22.  

    ALK Universal replacement network price cut 1 2

    By Al Klappenberger, in Technical/Restorations

    • 38 replies
    • 2227 views
  23.  

    ALK Crossover tap settings revised 1 2

    By Al Klappenberger, in Technical/Restorations

    • 32 replies
    • 1581 views
  24.  

    Eight K55V drivers 1 2

    By Al Klappenberger, in Technical/Restorations

    • 31 replies
    • 1499 views
  25.  

    The Great inductor face-off 1 2

    By Al Klappenberger, in Technical/Restorations

    • 30 replies
    • 3816 views
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