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LHG
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Joined: April 13, 2000
Posts: 1690
Location: LostHillsGuy, CA
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 Posted: Sat Mar 24, 2012 5:56 pm Post subject: Old Radio that's been sitting... how to fire it up. |
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An old guy that is a trusted source and knows a lot, told me, "if you turn on a radio that's been sitting a long time, start with a very low voltage and let it run for 10 minutes or so. Then incrementally increase the voltage and run in stages until you get to the full 6 volts."
Has anybody ever heard of this technique before? And I'm talking about a Sapphire 1 radio.
Then he said, "don't run it unless it's hooked up to a speaker!" Another thing I didn't think was a no no.
Comments??
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Brian O'Kelly
www.centralcoastvwclub.com
Central Coast Chapter, CA - Vintage Volkswagen Club of America |
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DanM
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Joined: June 07, 2002
Posts: 1229
Location: Arlington, VA
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| Posted: Sat Mar 24, 2012 6:15 pm Post subject: |
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| Your friend is right. You can run it up to full voltage using a variac to help save the caps, but they might already be bad after 40+ years. You also definitely need to have a speaker hooked up before turning it on. |
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LHG
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Joined: April 13, 2000
Posts: 1690
Location: LostHillsGuy, CA
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| Posted: Sat Mar 24, 2012 6:45 pm Post subject: |
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| DanM wrote: | | Your friend is right. You can run it up to full voltage using a variac to help save the caps, but they might already be bad after 40+ years. You also definitely need to have a speaker hooked up before turning it on. |
In lieu of a variac could you use d batteries? Start with one, then two, etc
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Brian O'Kelly
www.centralcoastvwclub.com
Central Coast Chapter, CA - Vintage Volkswagen Club of America |
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