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Triplett 3444 Mutual Conductance Tube Tester - Calibrated, US $160 – Picture 0
Triplett 3444 Mutual Conductance Tube Tester - Calibrated, US $160 – Picture 1
Triplett 3444 Mutual Conductance Tube Tester - Calibrated, US $160 – Picture 0
Triplett 3444 Mutual Conductance Tube Tester - Calibrated, US $160 – Picture 1

Triplett 3444 Mutual Conductance Tube Tester - Calibrated

US $160

  • Saint Louis, Missouri, United States
  • Oct 25th
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DESCRIPTION Triplett 3444 Tube Tester/Analyzer - Refurbished & Calibrated - S/N 8206 Most Testers Sold on eBay Require a $300-400 Refurbishment/Calibration One of the Best Vintage Tube Testers Produced in the U S Tests Most Old and New Tubes  Sockets for 4,5,6,7 Pin, Octal, Loctal, 7,9 Pin Minature, 7,8 Pin Subminature, 5-Pin Nuvistor Tubes Tested Under Voltages Encountered in Real Life Applications Direct Gm Readout From 0 to 30,000 Micromhos Four Filtered Plate & Five Filtered Screen Voltages from 12 to 250 VDC Bias Voltages; -5 and -50 VDC Full Scale Four Grid Signals at 5KHz; 33, 100, 333, 1000 Millivolts AC 23 AC Filament Voltages Plate Current Readout on Main Gm Meter Up to 50 Milliamps Leakage Readout on Main Meter; 0-20 Megohms  Gm Meter Isolated From Direct Gm Circuitry by Its Own Micro-ammeter Gm Circuitry Self Check Feature AC and DC Overload Warning Lamps Built-In 7 & 9 Pin Straighteners Noise Test Jacks Illuminated Main Gm Meter and Roll Chart Both Case Latches Work (I Forgot to Latch One in Pics) Pictures 4 & 5 Show My Bogey 6L6GC Under Test (Gm 5000 at Plate/Screen/Bias of 250/250/-18 VDC) INCLUDED Copy of Operating Manual (Not Shown) One Test Lead (Not Shown) Calibration Sheet PAYMENT DETAILS Winning Bidder Must Contact Me Within 3 Days of Auction End. Cashier's Check, Money Orders, and PayPal accepted. Payment Must Be Received Within 7 Days of Auction End. Free Shipping/Insurance to U S Lower 48, Additional Cost for International Shipping

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