• RE: Tri-amping T IV-A's with tubes? - AkuAnkka 01:32:56 11/18/24 (1)
  In Reply to: RE: Tri-amping T IV-A's with tubes? posted by Roger Gustavsson on November 18, 2024 at 00:54:52

  Good point about the extra cost of another power amp. My main point for tri-amping was the DEQX, which easily allows trying & listening different crossover points & slopes (for example even 96db) for the best sound. DEQX will also allow frequency- & phase corrections for all drivers, and for the best outcome, every driver should be measured separately on the near field.
  
  Minimizing the number of passive components from the signal path is of course a plus also.
  

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  • RE: Tri-amping T IV-A's with tubes? - emailtim 22:01:09 11/18/24 (0)
    In Reply to: RE: Tri-amping T IV-A's with tubes? posted by AkuAnkka on November 18, 2024 at 01:32:56

    FWIW, I quad amp and use both fuses and a cap to protect the ribbons.
    
    I do NOT use tube amps so I can't speak to their unique properties/considerations.

    When you design your ribbon XO, you will have to take into account both the slope and phase rotation caused by the cap you select in addition to your DEQX XO, should you chose to use one.

    I designed a FIR ribbon XO that includes a filter which electronically erases the slope and phase rotation of the cap, so when playing, the cap is essentially out of the circuit leaving just the digital XO. This guarantees the Mid and Ribbon XO's ideally sum without the cap's signature tainting the XO region.
    .
    
    2022/03/30 Historical Records CENSORED
    
    

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    Edits: 11/18/24

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