Heathkit AA-11 Tube Pre Amplifier from 1962. A Look Around and tests Part 1
NorCal715
May 30, 2026 03:00
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A customer dropped off a nice vintage Heathkit/Daystrom AA-11 Preamplifier from 1962 for a check out.
Science & Technology
#Heathkit
#Daystrom
#AA11
#AA-11
#Preamplifoer
#Diagnosis
#Part 1
#repair
#fix
#tv
#stereo
#dead
#no power