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Tesla EF86 NOS (NOT JJ) - MINT NOS NOV 1970 Czech (Singles/Matched Pairs)
Brand New MINT NOS NOVEMBER-1970 Production ORIGINAL NOS TESLA EF86 tubes. From the old Czechoslovakia (currently Czech Republic). Tube internals seem to be sourced from RFT with evacuation in Tesla glass bottle.


 
Single Tube = $34.00
Stock Details: Tubes as Shown Available
For Matched Pairs or Quads: Select 2 for a Matched Pair

Quantity in Stock:2
Product Code: 1009
Qty:

Description Technical Specs
 
Not to be confused with the current production JJ Tesla and Teslovak junk.

Brand New MINT NOS NOVEMBER-1970 Production ORIGINAL NOS TESLA EF86 tubes. From the old Czechoslovakia (currently Czech Republic). Tube internals seem to be sourced from RFT with evacuation in Tesla glass bottle. In generic white boxes from bulk. NOTE: Labels are not perfect as shown in the picture due to bulk packaging.

Tested and matched on Dynamic Mutual Conductance Tester Hickok 752, just recently calibrated and modified by Hickok expert to all Solid State to eliminate drift. 65% = 1200 mmhos for EF86 on this tester.

Single Tube = $34. Select 2 for a Matched Pair.

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