1949 Little Giant TRF Dual-purpose Set for Experimenters
Popular Mechanics March 1949
A TRF tuned system, which was popular at the time, but dropped out after better designs were introduced
Tubes Used 12SK7, 12SJ7, 50L6-GT, 35Z5-GT
1949 Little Giant TRF Dual-purpose Set for Experimenters Popular Mechanics March 1949
