Mullard and Amperex ECC83 12AX7 - 2 Used Tubes with Mullard and Marconi Labels - Heerlen Holland and Blackburn Gt. Britain

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Mullard and Amperex ECC83 12AX7 - 2 Used Tubes with Mullard and Marconi Labels - Heerlen Holland and Blackburn Gt. Britain - IMPERFECT SCORES

SET OF 2 TUBES = $65.00

Stock Details: Set of 2 Tubes as Shown Available

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Product Code: 1031

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Description

Technical Specs

2 used tubes with Imperfect Test Scores. NOTE: Late 1950s and early 1960s short plate Mullards have smallish getter pattern than later production.

Tested and matched on Top of the Line Calibrated Hickok 580 Lab Grade Tester recently calibrated by late Chris Haedt. 65% = 1000 mmhos for ECC83/12AX7 on this tester. Typical brand new tubes between 1800-2400 mmhos mmhos on this tester.

NOTE: Set of 2 Tubes exactly as shown in the picture. Test scores from left:

1960 Heerlen Holland Production - Mullard Old Shield Label ECC83 - 2400-1650 mmhos.
1959 Mullard Blackburn Production Short Plate - Marconi B339 Label - 1350-1200 mmhos.

Price = $65 for the set of 2 tubes.

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