Hitachi 12AU7 ECC82 Vacuum Tube NOS NIB For Your Bottlehead Or Univalve Triple Tested December 18 2020 Admiral-BRANDED 5V4G rectifier tube was

Admiral-BRANDED 5V4G rectifier tube was tested on our Paul Hart-calibrated TV7/U

a mesh plate

IN PRACTICE THIS MEANS YOU TAKE ON THE RESPONSIBILITY FOR THE LOSS IF THE PACKAGE IS MARKED AS "IN TRANSIT" OR AS "DELIVERED

new in box RCA 6KD6 tube -- and two just like it -- tested to spec on our Paul Hart-calibrated TV7/U

am showing both sides of the watch to make identification as easy as possible

Hitachi 12AU7 ECC82 Vacuum Tube NOS NIB For Your Bottlehead Or Univalve Triple Tested December 18 2020 Admiral-BRANDED 5V4G rectifier tube wasThis new old stock, new in box Hitachi 12AU7 ECC82 dual triode was tested on both our Paul Hart calibrated TV7 U as well as our Maxi Matcher Preamp Tube Tester. On the Maxi Matcher, it tested as follows: Dynamic Range: 77. 6 dB 82. 3 dB ( 92 dB is the Maxi Matcher's noise floor) Transconductance: 1410 1411 (New is approximately 1450) Gain (Mu (): 14. 6 15. 7 (New is approximately 17) On the TV7 U, it tested as follows: 79 77 where minimum (65%) is 50