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Heath AA-2500 and AP-2510 Test
50.4K views· 1,995 likes· 37:41· Dec 27, 2024
Need tools? Here's a video showing what I use (with links!): https://www.youtube.com/watch?v=MLK649c1_fM This AA-2500 power amp and AP-2510 preamp are some of the last Heathkit components ever made. They are essentially rebranded Harman Kardon HK-870 and HK-825.
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