Long-life tube also proposed for high-rel, low-power computer applications. Registered code for Raytheon CK648DX, subminiature power pentode for use as hearing aid output amplifier. T1.5x2 bulb, flat press.
22.5V at 0.24mA max plate, -1.2V G1, 22.5V at 0.06mA G2. 2.2mW across 100K load.
