Google Philips motional feedback, it wasn't quite digital but the effect was quite noticeable. It also was overkill, nobody cared at the price difference. They'

Google Philips motional feedback, it wasn't quite digital but the effect was quite noticeable. It also was overkill, nobody cared at the price difference. They're a rarity now. https://www.soundonsound.com/music-business/story-philips-rh544 https://www.soundonsound.com/music-business/story-philips-rh...