These were made for industrial use, and can take long periods in full cutoff without changes in characteristics. Tube 1 Gm 9800 / 9500. Tube 2 Gm 9400 / 10,200. Gray Plates, Side O Getters. This is also a perfect sub for a 12AV7.
These were made for industrial use, and can take long periods in full cutoff without changes in characteristics. Tube 1 Gm 9800 / 9500. Tube 2 Gm 9400 / 10,200. Gray Plates, Side O Getters. This is also a perfect sub for a 12AV7.