Vintage Supreme Model 89 Tube Tester

US $380

  • Granite Bay, California, United States
  • Feb 13th
Very nice early tube tester Supreme model 89. According to the excellent website "supremeinstruments.org": Supreme 89  1936  The Supreme 89  tube tester not only tests tubes but also has a voltmeter, ohmmeter, and performs leakage tests on electrolytic capacitors..  No test leads, the tube chart is on the inside of the case lid, and I have the manuals in pdf although you can download it from the mentioned site. The O1A it came with is open. I put a good one for testing purposes (not included in this auction) and I tested a couple of known performance O1As. The weak O1A showed "bad" and the good one (not strong) showed right between good and bad scales. Therefore it will need calibration. I did not test the capacitor tester or VOM function, but if the meters works fine and the transformer is OK as it seems, it should be easy to repair these other sections if they are not operational. Anyway most people care only about the tube testing function. Cosmetically it is in excellent condition (for the age) inside and outside, please, see pictures. A beautiful collectible too.  It has that nice collectible  huge neon lamp as a short elements indicator. I put back the open O1A in its socket in case the new owner wants it for display purposes, but he will need a good O1A to make this tester operate. Or he can just put a silicon rectifier across the dud tube terminals since the O1A is connected as a diode. Buyer pays by Paypal in 3 days of end of  auction and I will ship economy to the 48 contiguous states in 3 days of cleared payment. International sales only through ebay's global shipping program.

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