Скачать с ютуб Marantz PM-50 Amplifier Repair (Replacing the STK and Transistors) в хорошем качестве

Marantz PM-50 Amplifier Repair (Replacing the STK and Transistors)

I'm attempting to repair my very own 1990s vintage Marantz PM-50 amplifier that had some problems with the hybrid preamplifier overheating and subsequently damaging some of the power amp transistors. In retrospect, it may all have started with the loose connection on the STK (I first discovered it a bit into this video) that caused the components to fail due to intermittent current flow and voltage peaks. I'm exchanging the faulty STK 3062 MK IV for an STK 3082 MK III that has a slightly higher voltage rating. After adjusting the idling current there's no problem whatsoever with that. It sounds great and runs way cooler than the old STK. If you find this video helpful and/or entertaining please like, share, subscribe and/or consider a donation! FOLLOW ME ON TWITTER:   / thejanbeta   SUBSCRIBE: https://www.youtube.com/janbeta?sub_c... SUPPORT ME ON PATREON:   / janbeta   Another way to support me (without having to spend any more money than you normally would) is to use my Amazon affiliate links. If you buy stuff on Amazon, you can use the below links to get to your country’s Amazon site and I will get a small share of what you pay there. You can buy whatever you like and use this link as your regular Amazon link if you want to. The price and everything else stays the same for you. I consider this an okay (and easy) way to give me some support. US: https://www.amazon.com/?tag=janbeta-20 UK: https://www.amazon.co.uk/?tag=jabe00-21 DE: https://www.amazon.de/?tag=jabe07-21 ES: https://www.amazon.es/?tag=jabe08-21 FR: https://www.amazon.fr/?tag=jabe0e-21 IT: https://www.amazon.it/?tag=jabe02-21 Thanks!