Review of the KHi 80280 VDM 4 Himmelreich Video-Digital-Bildmischer
I bought this Videomixer from Ebay for 48 € and was told the BNC- Inputs wouldn´t work and some cables had been pulled out of the solderings. So first thing I did was fixing them and now the Himmelreich VDM4 works perfectly.

PAL

Inputs: video1 (master; BNC, Euro-Av: FBAS, Y/C, RGB)
video2 (BNC, Euro-AV: FBAS, Y/C, RGB)
video3 (BNC: FBAS)
video4 (color processor)
audio1 (stereo)
audio2 (stereo)