Thank you for viewing. The item is a "LUX Vacuum Tube AM Modulation Transformer 8AM51 120W". I have confirmed continuity between terminals with a tester. It is an old item, but it is unused. Height: approximately 10.8 cm, Width: approximately 10.0 cm, Depth: approximately 8.5 cm, Weight: approximately 3.5 kg. I would appreciate it if those who understand the above would consider purchasing. Thank you for viewing.