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 Post subject: update farnsworth BT600 volume fixed
PostPosted: Feb Fri 09, 2018 3:39 pm 
Member

Joined: Jan Mon 02, 2017 4:06 pm
Posts: 27
Location: Gadsden Alabama
Hi guys I have an update on my Farnsworth BT600 that was losing volume that I posted last week. Member lorenz200w suggested I check B+voltage for a difference when volume is good and bad. Most of the tubes had very little difference in plate B+ voltage. The 6sk7 tube had the biggest difference of about 12 volts I swapped it for another tube and fixed the problem. I had bought a reconditioned tube tester on ebay and all tubes tested good. I now know I cant always trust the tube tester. I have been working on this radio off and on about a year and finally everything is working. Thanks Thanks Thanks to all members for the help on multiple problems.


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