The following came from " The Tubestore" website ( referring to Tung- Sol RI 5881' s) : " The datasheet4u Tungsol 5881 is a 23 watt tube and is rated for a maximum plate voltage of 400Vdc. New Sensor ( Sovtek) tubes datasheet4u are based on the 6P3S- E military tubes. The Sovtek 6L6WXT and EH6L6GC are another 6P3S- E variant. A prime example is the & # 8217; 59 Bassman LTD. Have fun and don' sol t ' lectrocute ' yosef! The New Sensor Tung- Sol group however appears to all be based on and designed per original Tung- Sol specifications.
4681 max glass bulb short internediate shell pin octal r7- g7 outline coa ted 6. 3 any bottom view e " sin 5 diagram jed ec 7 a c the 5881 is the electrical equivalent to types 6l6 and 6l6g except that the plate and screen dissipation ratings have been increased approxi— mately 20 percent. it embodies a complete mechanical redesign which. Boston - Cambridge - Newton, MA- NH Spokane - Spokane Valley, WA; Durham - Chapel Hill, NC; Lakeland - Winter Haven, FL. Tested on commercial tester and one 12ax7 Tung- Sol was weak and one tested good.
tung sol 5881 datasheet4u
Both still worked in amp just one weaker than the other. DA: 90 PA: 66 MOZ Rank: 92.