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Tungsram ECC83 12AX7 - Rare 1971 Industrial Grade - Red Serial No. - Hungary - (M.Pairs/Quads/Singles)
Rare 1971 Tungsram Industrial Grade ECC83 12AX7 Tubes, Brand New, MINT in Original Boxes. Each tube has individual serial number in RED and a factory certificate for that serial number. Same date/batch code 58. Made in Hungary.


 
Single Tube = $85.00
Stock Details: Tubes as Shown Available
For Matched Pairs or Quads: Add 2 or 4 to the Cart

Quantity in Stock:(Out of Stock)

Product Code: 401
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Description Technical Specs
 
Rare 1971 Tungsram Industrial Grade ECC83 12AX7 Tubes, Brand New, MINT in Original Boxes. Each tube has individual serial number in RED and a factory certificate for that serial number (see pictures). All tubes from the same date/batch code 58. Made in Hungary. Tungsram made some of the finer tubes in Eastern Europe due to its exposure to subsidiaries in Gt. Britain and Austria.

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.

Tested and matched on Top of the Line Calibrated Hickok 580 Lab Grade Tester. 65% = 1000 mmhos on this tester for ECC83/12AX7.

Price = $85 PER TUBE. Price is high because Tungsram ECC83 Industrial tubes in NOS/NIB condition are nearly extinct. If you select 2 tubes, we will send you a matched pair, 4 tubes for matched quad and so on.

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