Technics SU-8044: STK-0039 Darlington Replacement

Buyer beware, several folks -- especially from AK -- assert that all STKs that can be purchased these days are counterfeits that will blow up in a day, sound like crap, damage your amp, steal you wife, drink your artisan kombucha, and kick your dog -- I strongly advise everyone do their own research prior to making any purchasing decisions. If anyone has any actual data -- test results that can be reproduced with quality bench gear (power supplies, signal generators, load resistors, distortion detectors, DMMs, oscilloscopes, etc), please point me the way. I'm not interested in "My buddy's cousin put one of 'em fake STKs in his amp and not only did it blowed up the amp, but it damn near burned down his house", but if anyone has real data I can reproduce, I'd love to settle the counterfeit STK debate once and for all. With that out of the way, let's tear an amp apart. 00:00 Introduction 01:18 Angled Hex Driver 03:10 Original vs. Reproduction STK 04:08 Installing the STK 09:45 Soldering the Pins 12:35 Listening Test Technics SU-8044 Test Point Data: http://www.wolfteck.com/2020/08/13/te... Luminous Polychem:    / @luminouspolychem   Random useful stuff you see in the video: • Reproduction Darlington Power Pack STK-0039: https://amzn.to/3gyROlC • Hakko FX888D-23BY Digital Soldering Station: https://amzn.to/34HbNMz • Right Angle Hex Driver: https://amzn.to/34OU1ax • Fire HD Tablet: https://amzn.to/3b9tF3O Videography gear: • Samsung Galaxy Note 9: https://amzn.to/31FFBHM • Gooseneck Phone Holder: https://amzn.to/34GwecE • 70" Tripod w/ phone mount: https://amzn.to/3b54uPY Edited with ShotCut: • https://www.shotcut.org/ Originally uploaded to Wolfteck Audio, Mar 10, 2021 -- reupped over here as I'm consolidating channels.