Lsi25 schematic

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hmagallon1
hmagallon1 Posts: 3
in 2 Channel Audio
Hi everyone,
I recently picked up a pair of LSi25s and I'm in the process of restoring/upgrading them. I've searched the forum and online but haven't been able to find the crossover schematic.
Does anyone happen to have the LSi25 crossover schematic (especially the mid/tweeter crossover), or know where I can download it?
I'd really appreciate any help. Thanks in advance!
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  • Ryan_Polk
    Ryan_Polk Posts: 68
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    pitdogg2 wrote: »
    Should be able to find them here.
    https://forum.polkaudio.com/discussion/38755/polk-audio-speaker-wiring-schematics-more-all-models-except-sda#latest

    Never mind I see that during the transition something went wrong.
    @SeleniumFalcon, @Ryan_Soundunited do you have a suggestion on the recovery of the LSi25 page?

    I see the issue, let me see what I can do to fix it. It may take some time but I will work on repairing the links.
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  • Ryan_Polk
    Ryan_Polk Posts: 68
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    So it seems some of those links are broken, I am working with Kim and some others on the backend to find these legacy schematics so I can re-upload them onto that page for future use.
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  • F1nut
    F1nut Posts: 52,406
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    hmagallon1, remove a crossover and you will find the values printed on the capacitors and resistors.
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  • hmagallon1
    hmagallon1 Posts: 3
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    Thanks. I've already removed the crossover and documented the component values. F1nut... What I'm looking for is the actual schematic so I can understand the circuit topology and how everything is connected. I want to build a new crossover using higher-quality components and possibly a new layout rather than reusing the original PCB. Without the schematic, I don't know the exact electrical connections or filter topology, and I don't have the experience to reverse-engineer the board from scratch. If anyone has the LSi25 schematic, or even the crossover drawing, I'd really appreciate it. And thank you all for working on the broken links.
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  • hmagallon1
    hmagallon1 Posts: 3
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    Hi everyone,
    I found the schematic I was looking for. Thank you all for taking the time to help and point me in the right direction. I really appreciate it.
    I'll post it here as well in case anyone else needs it in the future. Thanks again!
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