Jensen Permalloy 10K:10K Audio Transformer Final Reissue Version frequency response width is between 20HZ 0.4db to 20Khz 0.2db|Transformers| - AliExpress
Can I substitute a 600:600 transformer for the 10k:10k transformer in this circuit? I can buy packs of 600 xformers but 10k ones are expensive. : r/AskElectronics