GaryOrlando
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Posts posted by GaryOrlando
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I used 4700uF 100V caps though... so no humm 🙂
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I can email the schematic ... am i allowed to just add the file here do you think ?
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Hi all.. i had one of our electronics designers re-layout the amp board for the KSP-300 ... Klipsch sent me the schematic years ago... the new layout uses the same amp chip but the rest is all modern components. We ordered 3 initially to test... but can order more if people are interested... the first 3 boards only cost $20 each to fab ... without the amp chip... i brought 6 of those from China for $6 a piece... all up i think around $50 as the good caps are kind of expensive these days
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Before it completely went away i got Klipsch to send me the schematic to the KSP300 amps. If anybody needs them let me know. I fixed mine... and better caps got rid of the humm that started in about 2000... been running great for 20 years.
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Remade KSP300 amps from Schematics
in Technical/Restorations
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When I couldn't get a replacement amp.....was probably way too much effort but we remade the PCB for the KSP300 amp and made new ones 🙂 I have more PCBs/components if anyone is interested. I've included the schematic if you want to attempt it yourself. I couldn't get the 1uH coils so my board uses 2 0.5uH coils from coilcraft. I also upped the caps to 100V. The old board is on the right... with modern PCB design software my board doesn't have any those lame links ( sorry Klipsch but those are lame )
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Gary
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