Measurements of vintage Kenwood KA-5010 amplifier clone - Now with SMPS! | Audio Science Review (ASR) Forum
Service Manual Instructions for Kenwood KR-4010,KR-5010,KR-5510 | eBay
Specifications of KENWOOD KA-5010 Kenwood
Kenwood KR-5010 crackles on both speaker channels and headphones, terminals cleaned and still ongoing. Seems to fade after about 1/2 hour of playing. Where else to start troubleshooting? : r/BudgetAudiophile