7 Output Transformers for Transistor Radios

This is one of the components often featured in articles from the past, which those familiar with older electronics magazines like Hatsusho no Radio, Radio no Seisaku, and Kodomo no Kagaku might recognize, for building your own transistor radios.
■ Output Transformers for Sansui Speakers
・ 1 x ST-45 equivalent (600Ω: 10Ω)
・ 1 x ST-81 equivalent (1KΩ: 8Ω)
・ 5 x ST-30 (ET-30) 12.5KΩ・50KΩ
　*ST-30 was often used for crystal earphones, but it might also be interesting to use it as an input transformer.

I wonder if anyone is still building transistor radios using parts like these nowadays?
All items are unused, but will be listed as junk.