"A Mighty Midget"
A simple single-ended pentode amp that uses inexpensive compactron TV tubes. It puts out about 3 watts per channel, and uses only one (two-section) tube per channel. For more information and schematic see Pete Millett's DIY Audio pages on the "A Mighty Midget".
The upgraded PM-102 is a project package of three transformers and two chokes. One XPWR104-120 for the power transformer, two GXSE10-8-8K for the audio output and two PXC63-2H-150mA for the chokes.