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Dumont RA-109 tubes question

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03-21-2013, 02:16 PM

kramden66

VideoKarma Member

Join Date: Nov 2010

Location: Rockaway, NJ

Posts: 1,420

Dumont RA-109 tubes question

Ok here it is the sams says first and second if are 6AU6 tubes but in the set are 6BC5 tubes , my question is should i leave them or go back to 6au6 tubes ? anyone know if there was a production change or what?

thanks
mike

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