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DC heaters for 5687 in Aikido?
DC heaters for 5687 in Aikido?
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Old 29th September 2008, 08:01 PM   #1
RockysDad is offline RockysDad  United States
diyAudio Member
Join Date: Sep 2003
Location: Bay Area, CA
Default DC heaters for 5687 in Aikido?

Getting ready to do a point to point Aikido with 5687s in the second position and was wondering if DC heaters are needed. I've heard that 5687s tend to be sensitive to AC heater ripple but was wondering if it applies to the Aikido design or not. TIA...

Oh, one more question... would a 6X4 rectifier tube be enough with a 6CG7 in the first position?
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