I spent a lot of time playing Bally Twilight Zone at the Munich Maker Lab a few years back. I still miss the tungsten bulbs which lit the ball consistently, as opposed to LEDs which tend to "blink" rapidly (at 60Hz?). It makes the ball much easier to track at high speed, and has such a nostalgic soft glow which gently fades off into nothing. I also miss reading the manual and fixing little things every so often. It l…
The early LED replacement bulbs were bad and flickery, they are better now. They even make add on boards to smooth the on/off state to mimic incandescent bulbs https://www.cometpinball.com/collections/led-ocd-boards
I wonder if the places I've been to just don't know, or just haven't upgraded yet (waiting until the originals die?), or are trying to save pennies on the dollar on repairs?