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Both... yes you can drop a 7643 right in place of a 6BL8, it IS a better tube...

perhaps the best 9 pin pentode/triode ever... {Opinion}.
The Mind has No Firewall~ U.S. Army War College.


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Follow Ups Full Thread
Follow Ups
  • Both... yes you can drop a 7643 right in place of a 6BL8, it IS a better tube... - Cleantimestream 05/25/1912:07:26 05/25/19 (3)
    • Thank you - 1973shovel 13:23:30 05/25/19 (2)
      • RE: Thank you - Eli Duttman 18:48:10 05/25/19 (1)
        • Yes - 1973shovel 22:39:22 05/25/19 (0)

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