Output transformerless links

The first amplifier Röcklinger launched was a headphone amplifer, build with tubes and with OTL technique. OTL stands for Output Transformer Less. To learn more what OTL is we share with you some usefull links for the curious. 

• OTL Amplifier - Background and OTL Circuits - go to link
• 6C33C OTL - go to link
• Tubecad article 001 JRB - go to link
• Tubecad article 002 JRB - go to link

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