Discriminating Test Results from an AMPLITREX Tube Tester. “Plug & Play” Testing AMPLITREX AT1000. ONE GE 5881 Tube. GM takes Precedence Over EM. Tube is in Nice Shape. Date Code : HV Value-Added Tube.
6L6GC Matched Pair Straight Bottle 350C 6P3P & 5881 Mica Spacers 3300 Strength
These tubes are fairly tight match one of them is exactly at 3300 micromhos a little bit over that at 3325. These tubes were used for one recording session they were only used for about four hours. They have no guide pins but these are stronger than most 6L6 tubes.
Strong 1980 United Electron Brown Base 5881 Tube – 122
Tube & logo worn as pictured. Tube passed ALL tests. This is very important! We strive to make this happen!
New 2x Tung-Sol 5881 | Matched Pair / Duet / Two | Power Tubes | Free Ship
Matched Octet. Matched Sextet. We all know that swapping out tubes can be one of the more effective ways of improving your tone. At Tonal Tubes, we help you achieve that next level tone. Matched Quad.
Matched Pair Sylvania 5881 JAN-6L6WGB Mil Spec Power Tubes Exc Cond Tests NOS
Matched Pair Sylvania 5881 JAN-6L6WGB Military Spec Power Tubes Excellent Condition. Tube 1 Emissions 100% | GM 97%.
PAIR Vacuum Tubes 5881 RCA Tung-sol BROWN Tested On Amplitrex At-1000 82-85%
AMPLITREX TESTED RESULTS ARE ON BOX.
5881 Tung-Sol Pair MaxiMatcher2 Tested (2) Tube Lot
Sovtek 5881/6L6WGC Power Vacuum Tube Current Production Made in Russia
Power Vacuum Tube. 100% Emission / 104% GM. Made in Russia. Fully tested by Amplitrex AT1000 tube tester. in Fixed Bias mode.
Matched Pair Sovtek 5881 6L6WGC Power Tubes Dual Cup Getters Tests Strong
Matched Pair Sovtek 5881 6L6WGC Power Tubes | Dual Cup Getters.
Sylvania 5881 Quad
All tubes tested good on EMC 213- 215.