WMcD Posted February 11, 2017 Share Posted February 11, 2017 For sale is the 60th Anniversary K-Horn crossover which appeared on E-bay last year, and which was mentioned on the forum. I believe this could be AK-5 considering the date of the 60th but there is no label saying so. This is a single cross-over composed of two circuit boards, one for bass, one for mid and tweeter, as shown in the combined photos attached. As part of the sale I promise not to divulge, anywhere, information which would aid in reverse engineering such as providing a clone to anyone, photographs of components, photographs of the copper side of the pcbs, or schematics -- for a period of four years, or until similar information becomes available to the public through other sources. Price is $500. I will pay for shipping in the lower 48 via ground (UPS is easiest for me). We can make arrangements for other destinations if necessary. WMcD 1 Quote Link to comment Share on other sites More sharing options...
Schu Posted February 11, 2017 Share Posted February 11, 2017 Now who'd want to build one... 1 Quote Link to comment Share on other sites More sharing options...
WMcD Posted March 25, 2017 Author Share Posted March 25, 2017 Imagine the fun you could have with this. Of course you'll want to build a duplicate. I can give you a schematic I made up and you can compare it to an AK-4. You could even make up a unit switchable between the AK-4 and this (which should be an AK-5) configuration. WMcD Quote Link to comment Share on other sites More sharing options...
WMcD Posted June 17, 2017 Author Share Posted June 17, 2017 It's Fathers' Day. You should let your wife and children that you'd like them to buy you this crossover. Smile. WMcD. Quote Link to comment Share on other sites More sharing options...
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