6ZH1P-EV = 6J1P-EV Matched Pair Military Radius version NEW Same Date Ultra RARE
Our tubes are matched by the professional USSR tube tester L3-3. Yaqin: CD2-6J1 tube buffer. Grant Fidelity: B-283 Tube Buffer. The tubes are new and never used. Made in the famous factory Voskhod (Rocket) (Kaluga, USSR).