Mullard 5-20 Showing all 3 results Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low 25W 5000 Ohms Ultra Linear Push Pull Output transformer £78.83 – £97.21 Select options 25W 6600 Ohms Ultra Linear Push Pull Output transformer £78.83 – £97.21 Select options 30W 6600 Ohms Ultra Linear Push Pull Output transformer £95.28 – £106.41 Select options