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Tesla EF86 NOS (NOT JJ) - MINT NOS 1971-72 Czech with Cosmetic Issues
Brand New MINT NOS 1971-72 Production ORIGINAL NOS TESLA EF86 tubes with Cosmetic Defects. From the old Czechoslovakia (currently Czech Republic).


 
List Price: $30.00
Single Tube = $23.00
Sale Price: $23.00
You save $7.00!
Stock Details: Tubes as Shown Available

Quantity in Stock:1
Product Code: 992-COS
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Description Technical Specs
 
Not to be confused with the current production JJ Tesla and Teslovak junk.

Brand New MINT NOS 1971-72 Production ORIGINAL NOS TESLA EF86 tubes with Cosmetic Defects (test and work perfectly otherwise). From the old Czechoslovakia (currently Czech Republic). Tube internals seem to be sourced from RFT with evacuation in Tesla glass bottle. Repacked in generic white boxes from bulk.

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.

Specify which tube you want in the comments box during checkout process(from Left):

Tube 1: Tesla EF86 with rubbed off labels. Tube is new and tests fine. - 2000 mmhos.

Tube 2: Tesla EF86 with skewed glass bottle that makes the internals look like leaning tower of Pisa. New and works and tests fine. - 2000 mmhos.

Single Tube = $23.

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