Quote:
Originally Posted by DavGoodlin
That is a rare circuit, using a 12J5 for an oscillator. Mine is also Radiola-branded, bit cracked but looks similar and is a model 76ZX12, without a tone control in the middle. Im keeping it just for the very unconventional tube complement 
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The Radiola line was made for the smaller non-franchised dealers. They were pure RCA in design. IIRC, the chassis numbers were the same.
They were only available in a few models, usually on the lower end.