NOTE: Discounted since date codes on this pair are very faint and real hard to see. Tubes are guaranteed late 1960s Heerlen Holland production.
Brand Spanking New, Matched Pair MINT NOS 1960s Amperex/Philips ECC82 HALO Getter Tubes with Valvo Label. *Heerlen Holland Production Date Code Gf8 4xxx (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. Labels are a bit fragile as expected from tubes from that era and due to Bulk Box.
*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: 3000-2900, 3000-2900 mmhos.
Price = $125 for a Matched Pair as shown.
