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NOS CAA 6D4 Vacuum Tube - SYLVANIA - USA - 1953 (FREE SHIPPING, TESTED), US $440 – Picture 0
NOS CAA 6D4 Vacuum Tube - SYLVANIA - USA - 1953 (FREE SHIPPING, TESTED), US $440 – Picture 0

Nos Caa 6d4 Vacuum Tube - Sylvania - Usa - 1953 (free Shipping, Tested)

US $440

  • Gloucester, Massachusetts, United States
  • Jun 6th
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You are bidding on (1) NOS Sylvania CAA 6D4 electron tube, made in the USA in 1953.  High quality 6D4 electron tube made under contract for the US Government back in the 1950's; this will work in any gear requiring a 6D4 electron tube.  Black plates, green silkscreen, dual mica spacers, and top mounted D-getter.  Tube ships in the original box as shown; box is in fair condition.  Tube has been tested on a calibrated Bitmatic (Western Electric KS-15874-L2) computerized tester and is guaranteed good. All our tubes are tested and guaranteed by us; we only test tubes on one of our quality calibrated mutual conductance testers, NEVER on an emissions tester.  The testers we use are Phil Frakes's Bitmatic computerized Cardmatic testers from Tubesontheweb, the specific models are Western Electric KS-15874-L2's which were made for Western Electric by Hickok; we currently own two of these testers.  Our backup testers which we use occasionally are military TV-10D/U's.  For specialized tests, we employ one of our VTV Dual Triode Characterizers (for preamp tubes) as well as a Maxi-Matcher (for power tube matching).  Tubes are guaranteed for 90 days, refund or replacement our choice. Thanks for looking at our auction and be sure to check out our other auctions for other tubes that may be of interest.  (lot eem1001) SPECIAL OFFER - FREE brand new VE Tube Pin Straightener (Made In USA) for all orders over $250!!!  Works with 7 pin miniature, 9 pin miniature, Magnoval, Novar, and Compactron tubes.  Also available for individual sale, please visit our store and search for Tube Pin Straightener.

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