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Showing content with the highest reputation on 10/29/2018 in all areas

  1. 1 point
    Paul if you keep this up you might as well start adding to the Data-Bass. I can get you a login and password you know...You seem to have better access to the high end pro speakers than I do. I feel like this stuff is going to get lost in here and is getting a bit off topic. I can move it out to another thread... Why the switch of amps for the RCF test? I assume this is outdoor GP testing? Are you using the bursts inside of REW?
  2. 1 point
    Bolserst is a long time contributing member over at DIYAudio forums. He has developed this spreadsheet that will take an impedance measurement and calculate the complex inductance of a driver. David McBean the author of HornResponse has added the capability to simulate using this data into HR. This is a much more accurate way to simulate and design speakers and subs. In short if you are designing bass systems using modern, high power, long throw drivers and you are not accounting for complex inductance in your modeling; The models are probably not representative of what you would be building. Previously you would need to purchase costly software in order to derive and simulate using these parameters, or figure out a way to roll your own way. The spreadsheet imports a text file of an impedance measurement and calculates the complex inductance specs. Additionally if you have an added mass or Vas (Known air volume) impedance measurement you can also import it and the spreadsheet will calculate all driver parameters needed for modeling. A driver file can then be exported for use in HR. Semi-Le_Calc_V2.zip