I have 2 125W impedance matching transformers. Bought in 1972 for a project I'll never finish. Primary: 14000, 10000, 8000, 6000, 5000, 3000. Secondary: 500, 200, 50, 16, 8, 5, 3, 1.5. Dimensions: 5.5" high, 5.25" diameter, 14 pounds each. Prefer to sell as a pair. $300 for both +shipping from SW Michigan.