Quote:
Originally Posted by kx250rider
That's a fairly common thing to see. Probably the 8BP4 went bad when the set was 10 years old & worthless, so they stuck a 7JP4 in it to use in a back room, or something. I've probably seen ten 8" Motorolas with a 7JP4 in them.
Charles
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That's interesting
So the tube pinout was the same on both sizes, I assume.