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B&K Model 707 Dyna-Jet Mutual Conductance Tube Tester, US $240 – Picture 0
B&K Model 707 Dyna-Jet Mutual Conductance Tube Tester, US $240 – Picture 0

B&k Model 707 Dyna-jet Mutual Conductance Tube Tester

US $240

  • Point Reyes Station, California, United States
  • May 26th
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I tested a few tubes with this, and it worked just fine.  The needle moves fluidly, and the readings I got were mighty reasonable.  I don't know when it was last calibrated, but for most purposes, it should do as-is.  The case is pretty well-traveled:  only one of the flip latches works, but it doesn't have to do much other than hold the lid down, which it does just fine.  There's a mysterious hole in the bottom of the case, and all I can think is that maybe someone secured it to a bench.  This is California, and things move around under your feet from time to time.  I guess if the case were in perfect shape, I'd start the bidding at $400, like others I've seen.    

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