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Tungsram ECC83 12AX7 - Single Tube MINT NOS Rare May 1958 Industrial Red Serial No. Foil Getter with Welded Plates - Hungary
Single Tube, Brand New, MINT NOS, Rare May 1958 Tungsram ECC83 12AX7 with Foil Getter and Fat Dual Supports. Industrial Grade with Red Serial Number. Welded Plate Tubes with non-corrosive alloy pins. Made in Hungary.


 
Single Tube = $100.00
Stock Details: Single Tube Tube as Shown Available

Quantity in Stock:(Out of Stock)

Product Code: 990-A
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Description Technical Specs
 
Single Tube, Brand New, MINT NOS, Rare May 1958 Tungsram ECC83 12AX7 with Foil Getter and Fat Dual Supports. Industrial Grade with Red Serial Number. Welded Plate Tubes with non-corrosive alloy pins. Made in Hungary. Repacked in generic white box from bulk sample.

Industrial grade tubes were subject to rigorous test and burn in process. These tubes were produced in limited quantities (between 5000-10000 tubes according to Zeitmann from Hungary). Tungsram ECC83 tubes are well liked by many Audiophiles and Guitar folks.

Tungsram made some of the finer tubes in Eastern Europe due to its exposure to subsidiaries in Gt. Britain and Austria. Tungsram ECC83 tubes are well liked by many Audiophiles and Guitar folks. These one of a kind late 1950s Tungsram tubes with welded plates are obscure and the best example of Tungsram tubes. Typical physical differences between the 1950s-1960s Tungsrams v/s 1970s production:

  • Etched ECC83 towards the top of the glass bottle in 1950s-1960s Tubes
  • Some 1960s tubes have Caramel as well as Silver colored flashing.
  • Non-corrosive Alloy Pins v/s Regular Pins
  • Welded Plates v/s Crimped Plates
Tested and matched on Top of the Line Calibrated Hickok 580 Lab Grade Tester recently calibrated by late Chris Haedt. 65% = 1000 mmhos on this tester for ECC83/12AX7.

Test Scores: 2325-2850 mmhos.


Price = $100 for the Single Tube as Shown. Price is high because early production Foil Getter 1950s Tungsrams in NOS condition are nearly extinct.

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