Triplett 3444 Mutual Conductance Tube Tester - Calibrated - $1,395 - (Rolla, MO)
DESCRIPTIONTriplett 3444 Tube Tester/Analyzer - Refurbished & CalibratedPlate Current Readout up to 50 Milliamps on Main MeterTests Dual Section Tubes Without Resetting SelectorsMost Testers Sold on eBay Require a $300-400 Refurbishment & CalibrationThis Tester is Ready to Go Right Out of the Box - See Calibration ResultsMany Agree This is One of the Best Vintage Tube Testers Produced in the U SSockets for 4,5,6,7 Pin, Octal, Loctal, 7,9 Pin Minature, 7,8 Pin Subminature, 5-Pin NuvisterTests Most Old and New TubesTubes Tested Under Voltages Encountered in Real Life ApplicationsFour Filtered Plate & Five Filtered Screen Voltages from 12 to 250 VDCBias Voltages up to -50 VDCDirect Gm Readout Up to 30,000 MicromhosFour Grid Signals at 5KHzLeakage Readout on Main Meter up to 20 Megohms Gm Meter Protected by Its Own Micro-ammeterGm Circuitry Self Check FeatureOverload Warning LampBuilt-In 7 & 9 Pin StraightenersNoise Test JacksIlluminated Main Gm Meter and Roll ChartPictures 4 & 5 Show My Bogey 6L6GC Under Test (Gm 5900 at Plate/Screen/Bias of 250/250/-14 VDC)Picture 6 Shows Repeatable Calibration ResultsINCLUDEDOperating Manual - CopyOne Test Lead Calibration SheetPAYMENT DETAILSWinning Bidder Must Contact Me Within 3 Days of Auction End.Cashier's Checks, Money Orders, PayPal Accepted.Payment Must Be Received Within 7 Days of Auction End.Flat $45 Shipping/Insurance to U S Lower 48. Additional Cost for International Shipping.
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From ebay.com - 1 month ago