Tore down the AU-517 once again, to get at the Power & Protection circuit. I made a mistake in replacing the 10D7C silicon diodes and hoping this fixes the relay issue.
Edit: 7/26/19 I got these molded last night (myself, at home) and must say, I was shocked at the difference (a word I rarely use on this site, except in the literal sense). I was expecting bass to improve, but it improved way more elements than that! Expect a full review in about a week, […]
The first part of my Sansui AU-517/717 restore guide, from recapping to finding those pesky shorted diodes. Not to mention how daunting it is just to remove and then rewire all the PCB’s! Here I hope to help shed some light on the subject.
As you may already know, I started the Hallman Labs Vintage Store a few months back. I am currently using EBay to sell these items and I came across a handful of rules that aren’t exactly easy to find. So, I have created a list of the most commonly encountered EBay rules. 1: You can […]
I decided to go ahead and publish what I had ready in a blog post until it is ready for its own page. The AA-51 is what is holding me up on publishing my findings in the BlackGate™ Article! Some of the requirements for calibration aren’t easy and I’m having issues with getting the unit […]
Latest page added to Hallman Labs. Photo guide on making custom EL-8 cables.