Description
Matched Pair RCA Clear Glass Double D bottom getters 6V6GTA tubes. AT1000 Tested. BU code Both tubes have code BU. Notice the guide post on one of the tubes in broken off. Testing Notes: Heaters were on for at least 2 minutes before testing Plate voltage is applied for at least 1 minute before testing. Tubes were checked for shorts, gas, heater to cathode leakage, noise, and microphonics Testing was performed in fixed bias mode. Amplitrex AT1000 results. New tube spec mhos is 4100 at 250V on the plate. Gas should be less than 4.5ma. Tube mhos Emissions % GM % 6V6GTA 4390 117 107 6V6GTA 4280 93 104 Cleaning the tubes is being left to the buyer since often cleaning the tubes also removes labeling. Test results are written on the tubes. These can be easily removed with a moist paper towel. Domestic purchases can be combined to reduce shipping costs. Items usually ship the day after payment is received