You are buying a: Magnavox Long Gray Plate O Getter 12AX7 / ECC83 TubeLogo worn as pictured made in USA All tubes are tested for filament, leakage, Dynamic Mutual Conductance and emission value. Tubes

 

You are bidding on a RCA Radiotron UX 280 globe 80 rectifier tube. It test 55/54/40 on a calibrated TV-7D/U The base is will move a tiny bit when twisted. The silver getter flash is a bit hazy in spot

 

Here are 5 test New USA Made ,RCA 12AU7 tubes . I found these tubes in 1949 RCA boxes, but i dont know if these boxes are original and if the tubes are new or used for a few hours.The tube boxes are a

 

Set of four Ruby 12AX7AC5 tubes, brand new and in white boxes. These tubes are all factory tested and part of a fresh OEM bulk lot. You can buy with confidence that these tubes will not be microphonic

 

Here is a vintage RCA Model MI-11712 "Bridging Transformer". Cosmetically in good condition, but the transformer is untested. There is red marker on one side of the unit. Please see photos for details

 

Fabulous looking and working condition. Comes with everything in pictures. Posted with eBay Mobile

 

A Hewlett Packard Calculator AC Adapter or Charger. Model is 82011A. This adapter has an Australian AC plug on it. It is for use with an input voltage of 172 to 254V AC, 50 Hz. Adapter is for the Clas

 

From Studiosale Condition: With Marks and Scratch Its working Head have using marks Lyrec is the Danish Answere of Studer and Nagra Inkl. Powercordno Guarantee No return _gsrx_vers_486 (GS 6.5.1 (486)

 

* VERY RARE * _VINTAGE _ Marantz Model 500 Late Series Original 2-page Sales Brochure w/spec sheet * * * * * S/H $5.00 in Continental USAIncludes insurance

 

A pair of TELEFUNKEN AD1 tubes with very good emission 79ma/80mA at ug -45V and Ua 250V . Sockets in perfect condition, not loose. Also no loose parts inside tubes. Test data will be provided to buyer