Vintage nos 1950's 12AU7 5963 6189 tubes

Vintage nos 1950's 12AU7 5963 6189 tubes Introduction

We have some really nice quiet Vintage Vacuum Tube NOS (New Old Stock) These are excellent quality sweet sounding beautiful vintage 1950's 12AU7 tubes These tubes were made during 1954 to 1959 Some of the best sounding made by GE USA They were all selected for low noise/microphonics. Extremely clean silkscreen print, date code is clear 1956 Tubes sound fantastic with excellent mids! NOS level test, ready for a very long life of tone. The GE versions pretty much always used greyplates and a top getter for this tube. The numbers are etched into the glass with a pattern of dots below the number. Don't miss trying these "organ stock production" 12AU7 tubes that were as well also sold to organ manufacturers. These sweet tubes were screened for audio use in organs, and make great tubes in pre amps/amps! All of these vintage tubes used a chalky white label paint You can do an ebay/google search for 1950's vintage tubes Most tube users know who made the tubes regardless of what name is on the label. Priced at $70.00 a matching pair Payable by EMT All tubes test strong They have been tested on a fully updated calibrated B+K 747 tube tester (Min 725 Max 1250) Test Results: Tube 1: Tests 1300/1250 Tube 2: Tests 1275/1275 Tube 3: Tests 1300/1250 Tube 4: Tests 1200/1200 No gas leaks or shorts $70.00/matching pair Payable by EMT