1989 Mini-Micro 12" Amber Monochrome CRT Monitor MM-1252A Samsung OEM MDA DB9Up for sale is a vintage September 1989 Mini-Micro 12-inch amber monochrome CRT monitor (Model MM-1252A), built by Samsung in Korea. Features a crisp P134 amber phosphor screen and factory tilt/swivel base.Testing & Functional Status:
- Powers on immediately with active power LED indicator.
- CRT tube fires up quickly with bright, even phosphor illumination across the full glass face.
- Deflection circuits active; brightness potentiometer tested and fully responsive (smoothly adjusts from full amber raster down to solid black cutoff).
- Untested with a live PC video feed due to lack of an MDA/Hercules graphics card.Condition:
- Casing is in very clean cosmetic shape with light, uniform vintage patina and no cracks or broken vents.
- DB-9 video connector is intact with all pins straight; outer metal retention bracket shows surface oxidation/tarnish.
- Includes original factory tilt-and-swivel base and hardwired 3-prong power cord.
- Vintage "DELTADGC" corporate asset badge present on the lower front bezel.Sold as-is for vintage computing, retro DOS gaming, terminal restoration, or display.