Item Tag: NOS Tube

1x E88CC (ECC88, 6N23P-EV) Tesla PLANT GOLD PINS (NEW, NOS, old stock – 70-s) TESTED – 100% Description The tubes were tested on L3-3 tube-tester: Input parameters: Un=6.3 V; Ua=90 V; Rn=80 OhmOutput parameters: (Ia=15+/-5 mA; S=12.5+/-2.5 mA/V – it is 100%)TUBE #1: Ia1=14.2 mA; S1=11.4 mA/V Ia2=13.4 mA; S2=11.4 mA/VTUBE #2: Ia1=16.4 mA; S1=13.6 mA/V Ia2=15.8 mA; S2=13.2 mA/V Made in Czech Republic. 1x E88CC (ECC88, 6N23P-EV) Tesla, GOLD PINS (NEW, NOS, from old stock – 1976, 1977)LOT OF 1 PC.”OTK”, high reliability.The tubes are never used.Date Codes – BY, PGMore information about date codes – HEREMade in “TESLA” Plant100% New Item Terms of Sale Returns must be sent to Ukraine. I can guarantee you complete satisfaction with all my products. If you receive an item you ordered which is damaged or defective, I will send replacement item. I only accept returns if the items you received are not what was described in the listing, damaged or defective. If exchangeis not possible money refund will be issued. Item for returning must have the original tags and packing, otherwise it won’t be accepted. AIR DELIVERY usually takes 10 – 24 days WorldWide. Tracking number will be provided. Will be packed professionally. Can write lower value on customs declaration on request. Contact ME on Ebay or Email if you have any question regarding this item.