(2) NOS 7X7 (XXFM) Vacuum Tubes - TUNG - SOL - USA - 1950s (,)
Item History & Price
| Reference Number: Avaluer:7620307 | Brand: Tung-Sol |
| Product Type: Vacuum Tubes | Country/Region of Manufacture: United States |
| Tube Type: 7X7 | Country of Manufacture: United States |
| UPC: N/A |
You are bidding on a lot of (2) NOS Tung-Sol 7X7 electron tubes, made in the USA in the 1950's. Tubes will ship in the original factory tube boxes as shown in the photos. Tubes have been tested on a calibrated Bitmatic (Western Electric KS-15874-L2) computerized tester and are guaranteed good; test results as follows:
First tube: 980 umhos where 700 - 1400 umhos is the acceptable range; 10.1 mA where 5.1 - 10.1 mA is the acceptable range; 10.1 mA where 5.1 - 10.1 ...mA is the acceptable rangeSecond tube: 1036 umhos where 700 - 1400 umhos is the acceptable range; 10.1 mA where 5.1 - 10.1 mA is the acceptable range; 10.1 mA where 5.1 - 10.1 mA is the acceptable range
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. Thetesters we use are Phil Frakes's Bitmatic computerized Cardmatic testers fromTubesontheweb, the specific models are Western Electric KS-15874-L2'swhich 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 elw91)
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.
00042
First tube: 980 umhos where 700 - 1400 umhos is the acceptable range; 10.1 mA where 5.1 - 10.1 mA is the acceptable range; 10.1 mA where 5.1 - 10.1 ...mA is the acceptable rangeSecond tube: 1036 umhos where 700 - 1400 umhos is the acceptable range; 10.1 mA where 5.1 - 10.1 mA is the acceptable range; 10.1 mA where 5.1 - 10.1 mA is the acceptable range
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. Thetesters we use are Phil Frakes's Bitmatic computerized Cardmatic testers fromTubesontheweb, the specific models are Western Electric KS-15874-L2'swhich 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 elw91)
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.
00042
