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Is a Cobra 150 amplifier a Class C or Class AB1?

D

doffo

Sr. Member
Oct 14, 2012
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Just ran into the pictures of when I had my Cobra 150 amp opened up sometime either last year or the year before... But Though the board read A1, Is the circuitry there for it to be a true Class AB1?

20250330_163747.jpg
 

Just AB. The terms AB1 and AB2 in amplifiers are used for tube amplifiers. Has something to do with grid current draw. Can’t remember now.
 

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