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Pyramid PS-35G power supply problem

Recently got this non working power supply. Replaced the 2N3773 x 4 transisters and all the electrolitics. Tested with a 12v headlamp and it seemed to work ok. Have not had any equipment connected to it but have turned power on with no load. there was a noise like a surge sound to which I...
- flapineagle
- Thread
- Jan 7, 2011
- Replies: 5
- Forum: Ham Equipment
Palomar 250A blowing fuses

Have owned this amp for more than 15 yrs. but hasnot been inline for at least 10 yrs, lost interest but resently got the amp out opened the case and cleaned out the dust from sitting on the bench. Decided to just turn the power on and let the filiments warm up for a while. Plugged it up and...
- flapineagle
- Thread
- Sep 20, 2009
- Replies: 9
- Forum: Amplifiers

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