Quote:
Originally Posted by pstrisik
Does look a good option. Not as much fun though!
I'm sure Louis would not endorse the notch filter as equivalent to a passive crossover, Dennis obviously has no issue with it, worth experimenting IMO.
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I know from my conversations with Louis that he has no issue with inductors, but has an aversion to speaker-level capacitors.
Personally, I have tried notch filters before on a pair of Triangle full range drivers. It killed the sound for me. I would rather explore other means if I am using wide band drivers, including adding additional helper drivers at the top and bottom end, using active bass reinforcement, or choosing better-behaved drivers.
Louis' drivers have their compromises, most apparently in the midbass. The 7" driver that Dennis played with likely had a falling response below 300hz. Its top end is also less extended than the RS5 driver.
I would argue that if we are swapping tubes and capacitors, contouring the response at line level by adding a resistor or two is not that different.