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Guest radioamator

Va salut cu respect domnilor.Permiteti sa va consult in cazul aparatului mentiomat ca titlu,pe care l-am descoperit printre vechiturile din laboratorul de la serviciu. Se pare ca ar functiona.Ati intrebuintat careva asa ceva? Cum si la ce? Va arat si performantele dupa partea frontala a aparatului: gama frecv:20Hz-2ooHz; 200Hz-2Khz; 2Khz-20Khz; 20Khz-0,2Mhz; 0,2MHZ-1,4Mhz. db:0; +10; +20; -10; -20; -30; -40; -50. volti:1; 3; 10; 0,3; 0,1; 0,03; 0,o1; 0,003 De asemenea este construit cu tuburile; 3* 6L43 si 1*EZ81 . Multumesc anticipat

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