USA made 7308 premium quality, gold pins and excellent sound, this 6DJ8 variant has a 10,000 heater and was made for the US Navy.
Regardless of the branding (Amperex, Valvo, Siemens, Calvert etc) the Holland made 7119=E182CC (although not a direct substitue but similar to 12BH7 with a 10,000 heater) is a premium quality twin triode. An excellent substitute for the 7044, 5687 and 6900. Perfect for the following equipment: Modwright preamp. Audio Note: DAC 4, Jinro amp, L3, M3. Various Manley units, Ray Samuels Raptor, B52. Aria VW5XL. Modwright Sony DVP999ES. Audion 845 Black Shadow. Bottlehed Smack. Enter qty 2 for a matched pair. Various brandings, all are Holland made. $64.99 per tube