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Posts posted by CECAA850

  1. 4 minutes ago, Curious_George said:

    Extrapolating data from the DH1A SPEC sheet, it looks like the impedance at 500Hz is @ 12 Ohms. However, the impedance may be different if you are using a horn that is not an HP9040. 

    Assuming the impedance of your driver and horn is 12 Ohms the L-Pad chart I posted will not be valid. I’ll have to post another one for 12 Ohms. 

    I'm using the stock 9040.

  2. 1 minute ago, babadono said:

    Excellent fishing trip, I'll bet Carl's already on it.

    Looking to put one on each speaker.  Theres a place in England that has what I'm looking for.   I've ever mailed them for shipped prices.

  3. 18 minutes ago, henry4841 said:

    One has to start somewhere by first by using the efficiency of the tweeter minus the efficiency of the woofer as a starting point. Use this calculator for the value of resistors after estimating the db's you think you will need.  https://www.diyaudioandvideo.com/Calculator/DriverAttenuationLPadCircuit/

    That's the problem,  I don't know how much I want to lower it.  L pads let me try different levels of attenuation and I only have to have one pair as opposed to a bunch of resistors.   Plus no calculations or digging up specs.  Lol.

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