A two-anode glass-encased kentron with a common indirect-heated cathode designed to operate as a low-power rectifier in radio engineering devices. The tube is designed for direct conversion of alternating current to direct current.
Both Tested NOS using a professionally calibrated TV7U tube tester with the following results (50 is minimum). Tube 1- 104/102gm Tube 2- 110/116gm
The minimum is equal to 65% of the life of the tube. Tested at: 97/94. Tested for shorts and gas. Date code: TO.
With Settings for ECC32. Made in 1949 & 1955 in England. Matched Pair. Smoke Glass. Brown Base. Fully tested by Amplitrex AT1000 tube tester. Very strong at NOS range! Made in England.
The product is a vintage Standard M-R 6SN7 GT smoke glass vacuum tube, known for high quality and performance in amplification and signal processing. Made in the United States, these tubes are sought after by collectors and audiophiles for their potential to enhance the sound quality of vintage audio systems. ** GREAT VINTAGE CONDITION **NOT TESTED PLEASE SEE PICTURES CLOSELY
The minimum is equal to 65% of the life of the tube. DATE CODE H3E.
With Settings for ECC32. 144% Emission / 115% GM. Made in England. Smoke Glass. Fully tested by Amplitrex AT1000 tube tester. Black Base. Rare Yellow Print. Bottom D-Getter.
Lot of 2 pcs NEW 6N13S Svetlana tubes. MATCHED PAIR - tubes has identical electrical characteristics. We test our tubes on High-End Soviet Tube Tester L3-3. 2 tubes in 1 lot. 100% garanty working.
Lot of 4 pcs NEW 6N13S Svetlana tubes. We test our tubes on High-End Soviet Tube Tester L3-3. 4 tubes in 1 lot.
Here we have for sale is an outstanding set of rare yellow label NOS tested Mullard 12AX7 ECC83 Tubes. PERFECT Tubes. Platinum MATCHED pair with nicely BALANCED Triodes. Rare set of tubes with the scarce yellow labels only made for a 3 yr period 1962-1965.