Black saucy sansui

First, welcome to DIYAudio. Since you have plenty of enthusiasm for your new acquisition, could you share some details since few of us who aren't actually professional repairers, will ever have listened to this 50 year veteran, let alone countless other early models. Has yours been refurbished and what can you say about that? What do you think makes it special by comparison with similar power amplifiers from the 1970s or even with today's high-end models?