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300B schematic recommendations
300B schematic recommendations
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Old 21st September 2019, 09:15 PM   #91
Wavebourn is offline Wavebourn  United States
Anatoliy Lisovskiy
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Join Date: Sep 2006
Location: Pleasant Hill, CA
300B schematic recommendations
Originally Posted by disco View Post
That 10uF has wrong polarity.
I wonder what happens when the amplifier is switched on and V3 is cold, not conducting. PS choke pushes the supply to 500V.... hmm.
This in the light of someone copying the circuit and replacing the 6Vac with modern filament supplies which in turn might be ignited before switching on the PS...
Good catch! Indeed, a drawing error.
Single Ended Class-A-Holism is addictive!!!
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