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USSR Ryazan Svetlana Ulyanovsk

GU-81M NOS GU81M GU-81 High Power Pentode HAM QRO Linear Tube Audio 750W 1pcs

GU-81M NOS GU81M GU-81 High Power Pentode HAM QRO Linear Tube Audio 750W 1pcs

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One (1 pcs) GU-81M NOS GU81M GU-81 ГУ81 ГУ-81 High Power Pentode HAM QRO Linear Tube Audio 750W


Made back in 60s and 70s in Ryazan, Svetlana and Ulyanovsk plants in Soviet Union.

NOS - New Old Stock - Never Used - Tested 100%


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