Up for sale are Tesla PCC88 tubes (7 volt version of ECC88) white print "37" NOS tested matched pair, tested under typical conditions where (Ia 100%=15mA).
Out of the box of 100 unused tubes there are only 10 pairs of tubes that meet matched and strong datasheet criteria. Now you know the difficulty of buying true NOS matched pair today. If you buy more than one pair as a single order the next best pair from the lot is dispatched in addition to the "first pair" described below:
#1
Ia1=15,6mA
Ia2=15,4mA
#2
Ia1=15,4mA
Ia2=14,1mA
same code on the tubes:
516 A3, Tesla Trinec factory
Tested on a
calibrated Elpo 508 tube tester.
I pack the tubes extremely well so that nothing can really happen even when the delivery person misbehaves.
Sale from private collection.
No returns, no warranty because from private. I will gladly direct you to the 100% positive feedback page given to me as a seller.
Shipping cost given for Germany - if you need them to be shipped elsewhere in EU contact me to check actual cost BEFORE buying.
I combine shipping - check my other listings.