arct ac48

Arcturus (AC) 48
AC Amplifier Triode
1928


The (AC)48 was a special indirectly heated tube with one end of the 15 volt AC heater connected to the cathode. The (AC)48 is often seen without a tip. This tube is the same as the Arct/Sonora RA-1.

point left Click the back button on your browser to return to the thumbnails