Copper Talk » Ask The Tech » Amplifiers » Palomar 351 Base amp that blows electrotic caps « Previous Next »

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Jake
Posted on Wednesday, April 10, 2002 - 9:22 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)
I have a Palomar 351 bi-linear and driving it with 1W swinging 20W. I lent it to a friend for a year and when I got it back, it had 4 30x500v caps blown, so I replaced them and when I pluged it up the tubes lit up so I keyed the mike and noticed the lights dimmed and trans kinda humming so I tried to tune it and it wouldn't tune up,all of a sudden the top capacitor blew. could the diods be bad?. Any suggestions or any help would be appreciated. Again Thanks Jake.
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Jyd
Posted on Wednesday, April 10, 2002 - 1:50 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)
sounnds like it might be diodes
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307
Posted on Thursday, April 11, 2002 - 3:32 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)
Replace all 8 HV Diodes. They a 1Kv PIV and Radio Shack has them. That is why it "hums".

307

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