* Judging from the structure that it is made by NATIONAL UNION, the printing on the base part seems to be a reprint. Pair tube 45 Special/38142 compatible ball straight heat triode tube fishing rod type filament measurement value 106/100 (rejection value 55) *The pair is determined based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: none