On this page you will find links to documents I have written, based on very personal experience with that model. Certain models which are not covered are; 87A, 91b, 99, and all current production models.

I do not own any ETO Alpha amps currently. All have come and gone from my radio bench. I have written these documents to inform and assist the reader in knowing more about his model and help keep it going.

PA-77 Ω

76,P,C, 76A, PA, CA, 374A Ω

86 Ω

89 Ω