Amplificador de auriculares a válvulas

I will explain the design requirements of a valve headphone amplifier, the differences from a conventional power amplifier, and we'll also look at some problems that can be encountered when using power (or mains) transformers as output transformers. PATREON: https://www.patreon.com/user?u=32305604 TWITTER:   / enclavederetro   00:00 Presentation 00:28 Theory and design 08:32 Prototype 16:36 Prototype in operation 21:50 Simplified model