Hi all,
Maybe some of you remember I built the ZDT3.5 some time ago, but I used the Vifa DQ25 tweeter instead of the small Neo dome. There was a reason for it - I had the Vifas, and I thought I could manage to fix the crossover as needed to use them.
Indeed, the little Vifas worked fine, and I was happy for a while. Then, a comment by John (Zaph) made me curious. He said that the Vifa would handle a 2nd order crossover.
So, I was curious too, and started modding the crossover. Months later, the Duelund calculator software was posted in this forum, and I noticed how similar the curve of my crossover was to a Duelund.
So I decided to give it a try. It's not a "pure" Duelund implementation (that'd require aligning the drivers to 1mm from the listening position!), but it follows the curves pretty closely enough.
So, I'm posting the design. In a way, it ended up being somewhat similar (at least in concept) to Jon's center channel.
Maybe some of you remember I built the ZDT3.5 some time ago, but I used the Vifa DQ25 tweeter instead of the small Neo dome. There was a reason for it - I had the Vifas, and I thought I could manage to fix the crossover as needed to use them.
Indeed, the little Vifas worked fine, and I was happy for a while. Then, a comment by John (Zaph) made me curious. He said that the Vifa would handle a 2nd order crossover.
So, I was curious too, and started modding the crossover. Months later, the Duelund calculator software was posted in this forum, and I noticed how similar the curve of my crossover was to a Duelund.
So I decided to give it a try. It's not a "pure" Duelund implementation (that'd require aligning the drivers to 1mm from the listening position!), but it follows the curves pretty closely enough.
So, I'm posting the design. In a way, it ended up being somewhat similar (at least in concept) to Jon's center channel.
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