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Showing posts from March, 2014

Type 77 Pentode

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Type 77 pentode in the Radiotron SE2A3 amp


Plug-in compatible with the 6C6

RC-12 Tube Manual

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All the tubes I am using in my Hi-Fi System were being manufactured by the time the RC-12 was published.
More info


But I also keep an RC30 copy!