CK-6072A, 6072A, RAYTHEON, BLACK PLATE, O GETTER RING, TRIPLE MICA, YELLOW PRINT, APRIL 1964 MANUFACTURE
CK-6072A, 6072A, RAYTHEON, BLACK PLATE, O GETTER RING, TRIPLE MICA, YELLOW PRINT, APRIL 1964 MANUFACTURE
The device shows good matching of each triode section within the envelope and showing superb emission.