Members c2dzmm Posted December 23, 2009 Members Share Posted December 23, 2009 What is the difference in years manaufactured and tone between the double and single getter tesla El34 brown base "37" tubes? And also, are the "33" code tesla's considered better tone wise than the "37" versions? Below is a photo of the double halo versions that I am planning to put in 1972 superlead. Thanks. Link to comment Share on other sites More sharing options...
Members Warhorse Posted December 23, 2009 Members Share Posted December 23, 2009 I can't answer the question, but those are some badass looking NOS tubes. What are You using for the pre-amp Link to comment Share on other sites More sharing options...
Members ~Abstract~ Posted December 23, 2009 Members Share Posted December 23, 2009 are those BROoOTAhLLLL? This is a thread for The Gear Page...google it. Link to comment Share on other sites More sharing options...
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