Tubes have been tested on a Calibrated Hickok TV7 tube tester and test as follows:
Tube1 : 60/72
Minimun good value on a TV7 tester for a ECF80 tube is 34/36. The tube tests within the NOS range.
Tubes are guaranteed to be in good working order upon delivery. If a tube ends up bad within 1 week of delivery just ship it back for a full refund on the bad tube minus shipping costs.
See pictures for details.
I will ship worldwide.
Buyer to pay all shipping costs including brokerage and taxes if any.
Local pickup in Vancouver BC is also available.
GOOD LUCK!!!!!!!