Jackson Model 648S Tube Tester, excellent condition. Although not as common as the B&K or Hickok testers, this is a very well made and documented unit. Full manual and service information book (including calibration) is available on Ebay (NOT included with this auction).
This offering is for a nice HICKOK 539C TUBE TESTER. The case is SOLID & PRESENTABLE but it does show signs of use. The tester itself is very clean, and seems to work well.
Signal Corps Model I-177 Dynamic Mutual Conductance TUBE TESTER, Untested You are bidding on one (1) Signal Corps Model I-177 Dynamic Mutual Conductance TUBE TESTER. It includes the Tube Guide as shown, as well as more documentation as shown. Untested: This tube tester is "as found", untested.
Hello, You are bidding/looking at: Vintage B&K Cathode Rejuvenator Test - CRT 440 - In Case w/ Manuals - UNTESTED This was part of a large personal collection from an estate auction. Unit is built into case with power cord, 2 connector cables, 3 testing sockets A,B & C, manual and test chart. This is untested as we have no way to test it.
Every year, about 3 weeks before Christmas, I offer a number of very unique items for that “Hard to buy for Antique Electronics Collector”- in every price range. If
Up for sale from an estate is a Sencore MU 150 Continental II Tube Tester Serial # 0125270M. MU150 Dynamic Mutual Conductance Tube Tester. Make 4 tests simple and independently: Shorts, Emission Test, Grid Leakage, Dynamic Mutual Conductance.
This NRI Model 70 Vacuum Tube Tester is in fantastic condition, & seems to be working perfectly, although I'm sure it'll need to be re-calibrated after shipping. The hinged lid slides off for full access, the wired adapter pulls out from the front ( see the wire hanging in the picture? ), and all 8 rubber feet are intact.
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