With a low Plate Voltage about 20 Watts PEP
12GE5 Beam Pentode
275 VDC on the Plate
185 VDC on the Screen
A -20 to -30 VDC Bias
90 Ma Cathode Current
17.5 Watts Plate Dissipation
Replace the SS stages with a 12BY7 Driver and the 12GE5 Final. Broad Band No Tune Amp.