I went there and be Prepared to spend some time looking, they have in excess of 4000 radios, TVs, Phonos, stereo, portables, kits and amplifiers.
I also looked at photos, You can narrow your search by just looking at the tube count in one of the columns and also keying in just radios.
To make that even faster you could download all the pages into Excel And do sorts, by selecting the columns of tube count and radios.
Also There is a selection of showing Pictures in Google.
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I'm a Science Thinker, Radio Tinkerer, and all around good guy. Just ask Me!