This increase gives the tube more headroom and a tighter response on the low end. These tubes are matched using Apex Matching. Blue glass envelope. Grid to Plate Capacitance (c. Plate Capacitance (c. ).
This increase gives the tube more headroom and a tighter response on the low end. These tubes are matched using Apex Matching. Blue glass envelope. Grid to Plate Capacitance (c. Plate Capacitance (c. ).