USED Matched Pair 1970s Amperex/Philips ECC82 Dimple Disc Getter with Adzam Label.
Label on the 2nd tube is almost rubbed off. Heerlen Holland Production Date Codes on all tubes (first letter 4xxxx, 4=delta or left triangle for Heerlen Plant). Repacked in white boxes from bulk. One of the most musical and desirable tubes in the 12AU7/ECC82 family.
*Heerlen plant tubes were sold with different labels like Amperex, Miniwatt, Philips, Bugle Boy and also relabeled by various Philips associates or companies owned by Philips like Valvo, Mullard, La Radiotechnique RTC, Siemens, Adzam etc. Etched date codes tells the origin of the tube.
Tested and matched on Top of the Line Calibrated
Hickok 580 Lab Grade Tester recently calibrated by late Chris Haedt. 65% = 1400 mmhos for ECC82/12AU7 on this tester.
Test Scores: 2900-2900, 2700-2700 mmhos. Price = $50 for the Matched Pair as shown.
