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reverse Xover design

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    Posted: 03 April 2023 at 6:57pm
good day, i recently picked up a pair of custom built towers, using Vifa drivers, MTM and set up with tweeter inset for time alignment, solid built cabinets with 2 chambers tuned to various frequencies..

they sound "off" and after looking at the xover design, which uses good quality components but seems to be configured/ wired incorrectly. is there a reverse xover calculator where values can be entered in to a schematic and have it calculated with xover frequencies? 

thanks in afdvance!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Conanski Quote  Post ReplyReply Direct Link To This Post Posted: 04 April 2023 at 1:02am
Nope, it doesn't exist because there are a myriad of different ways to accomplish certain things so there is no "standard" template one could use to plug component values into.

But it's not that hard to reverse engineer a passive crossover, the most difficult part is determining what componets are in series with a driver and which ones are in parallel, doing that requires tracing the connections. Make a diagram of all this and add the component values and then you can figure out what the crossover is doing.. and then hopefully figure out what it's not doing right.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Earplug Quote  Post ReplyReply Direct Link To This Post Posted: 04 April 2023 at 6:50am
There are some online circuit analysis software available out there, eg. CircuitLab, but I've never used anything like that, so not sure how useful it actually is.


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Post Options Post Options   Thanks (0) Thanks(0)   Quote snowflake Quote  Post ReplyReply Direct Link To This Post Posted: 04 April 2023 at 1:15pm
if you tell us how many coils, capacitors, and resistors there are can probably deduce what sort of crossover it is. there are online calculators which you can give a crossover frequency and it then tells you component values for standard alignments.

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