Ogonowski Transformers

HV and 5k/4+8Ω Leszek Ogonowski design, build and sell beautiful transformers for tube-amplifiers. I received these 3 models a few days ago. I will use them for a single-ended amplifier, along with NOS Telefunken tubes. Specifications power transformer primary : 230 V, 50 Hz secondary 1 : 750 V CT Read more…