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12th April 2011, 02:56 PM
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#1 |
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diyAudio Member
Join Date: Mar 2011
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B&K Dyna-Quik 500 test socket 9A shows good tubes as Bad
B&K Dyna-Quik 500 test socket 9A shows good tubes as Bad.
my 9A socket shows all tubes to test below zero. What i mean is the needle value will dip under zero when the sensitivity is applied. i have tested 12AU7,12AX7, and 12AY7. Any ideas? |
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12th April 2011, 03:34 PM
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#3 | |
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diyAudio Member
Join Date: Mar 2011
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Quote:
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12th April 2011, 03:35 PM
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#4 |
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diyAudio Member
Join Date: Mar 2011
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maybe i should deoxit?
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15th April 2011, 03:36 PM
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#5 | |
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diyAudio Member
Join Date: Jan 2010
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Quote:
My 500 is quirky. Sometimes I have to turn it on and off to get it to read. Most of the time I have to slide the tube up and down to achieve the right contact with the pins. The socket is old and worn. Steve |
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