Heathkit/Daystrom AA-11 Preamplifier from 1962. Why the voltage difference? PT2, testing the tubes.
NorCal715
Jun 4, 2026 02:18
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A nice vintage Heathkit/Daystrom Preamplifier from 1962. Testing all of the tubes Part 2
Science & Technology
#Heathkit
#Daystrom
#AA11
#AA-11
#Preamplifoer
#Diagnosis
#Part 1
#repair
#fix
#tv
#stereo
#dead
#no power
#Psrt 2
#Part 2